| *** | Diamond ring claw-set with a brilliant-cut diamond weighing 12.02 carats, mounted in platinum, size Q. Accompanied by a DCLA report numbered 150441, dated 26 February 2007, stating that the 12.02 carat diamond is H colour, SI1 clarity. | *** |  |
| *** | Platinum, gold, emerald and diamond ring, Van Cleef & Arpels, circa 1974, of cluster design, centring a claw-set pear-shaped modified brilliant and step-cut emerald weighing 20.246 carats framed by a border of brilliant-cut diamonds to shoulders partially… | *** |  |
| *** | 18ct white gold and diamond ring, claw-set with a brilliant-cut diamond weighing 11.85 carats, size Q 1/2., accompanied by a GIA report numbered 6183634699, dated 27 July 2017, stating that the 11.85 carat diamond is W to X colour, VS1 clarity. Provenance… | *** |  |
| *** | Diamond ring, the square emerald-cut diamond weighing 5.06 carats is claw-set in platinum, size L, signed 21 Creations. Accompanied by a GIA report numbered 2193467538, dated 26 August 2019, stating that the 5.06 carat diamond is G colour, VS1 clarity,… | *** |  |
| *** | 18ct gold and diamond ring, claw-set to the top with a brilliant-cut natural light yellow diamond weighing 14.44 carats to shoulders channel-set with two lines of baguette near colourless diamonds framed by pave-set brilliant-cut near colourless diamonds,… | *** |  |
| *** | Fancy yellow diamond ring, the natural fancy yellow diamond weighing 8.88 carats is claw-set in bi-colour 18ct gold, size M. Accompanied by a GIA report numbered 5151826570, dated 30 December 2013, stating that the 8.88 carat diamond is natural fancy… | *** |  |
| *** | Diamond and gem-set 'Cubism' ring, Canturi the emerald-cut diamond weighing 4.58 carats is claw-set and framed by shoulders each similarly set with a baguette emerald, ruby and sapphire, the bridge accented to each side with a baguette diamond and the… | *** |  |
| *** | Diamond ring, the old European-cut diamond weighing 8.49 carats is claw-set and mounted in platinum and 18ct gold, size K 1/2. Accompanied by a GSL report numbered AA53877, dated 1 October 2014, stating that the 8.49 carat diamond is P colour, VS2 clarity… | *** |  |
| *** | 18ct white gold and diamond eternity ring. Designed as a continuous band of 14 claw-set emerald-cut diamonds together stated to weigh 14.30 carats, size N 1/2. Accompanied by: a GIA report numbered 6137613696, dated 15 July 2011, stating that the 1.03… | *** |  |
| *** | 18ct white gold, emerald and diamond ring, circa 1960. centring a rectangular step-cut emerald weighing 4.81 carats between stepped baguette diamond shoulders together weighing approximately 1.36 carats, size N. Accompanied by an AGL report no. 1102096,… | *** |  |
| *** | Emerald and diamond ring, Bulgari, the modified oval step-cut emerald weighing 3.06 carats is claw-set within a surround of baguette and brilliant-cut diamonds to tapered baguette diamond shoulders, the diamonds together weighing approximately 1.21 carats… | *** |  |
| *** | Diamond ring, the claw-set brilliant-cut diamond weighing 6.39 carat is mounted in 18ct white gold, size N. Accompanied by a GIA report numbered 2215484478, dated 25 February 2021, stating that the 6.39 carat diamond is L colour, VVS2 clarity. | *** |  |
| *** | 18ct white gold and diamond ring claw-set with a princess-cut diamond weighing 5.01 carats, size I 1/2, signed house of K'Dor. Accompanied by a GSL report numbered AA63902/2, dated 10 July 2020, stating that the 5.01 carat diamond is J colour, VS2 clarity. | *** |  |
| *** | Platinum and diamond ring, the three stone diamond ring is claw-set to the centre with a round brilliant-cut diamond weighing 3.01 carats, between a pair of similarly cut diamonds weighing 1.51 and 1.50 carats respectively, size L 1/2, the inside band set… | *** |  |
| *** | Platinum and diamond ring the three stone diamond ring is claw-set to the centre with a round brilliant-cut diamond weighing 3.01 carats, between a pair of similarly cut diamonds weighing 1.51 and 1.50 carats respectively, size L 1/2, the inside band set… | *** |  |
| *** | Diamond ring, the square modified brilliant-cut diamond weighing 3.01 carats is claw-set in 18ct white gold to shoulders partially pave-set with brilliant-cut diamonds together weighing approximately 0.27 carats, size K 1/2., accompanied by a GIA report… | *** |  |
| *** | Diamond ring, the marquise-shaped diamond ring weighing 3.89 carats is claw-set to split shoulders pave-set with brilliant-cut diamonds together weighing approximately 0.33 carat, mounted in 18ct white gold, size I 1/2., accompanied by a GSL report… | *** |  |
| *** | Platinum and diamond ring, centring a claw-set brilliant-cut diamond weighing 5.93 carats to shoulders each similarly set with three baguette diamonds, the smaller diamonds together weighing approximately 1.00 carat, size P. Accompanied by a GSL report… | *** |  |
| *** | Platinum, 18ct gold, sapphire and diamond ring, Harry Winston, modelled as a flower, the stamen centring a brilliant-cut diamond framed by graduated pear shaped sapphires of various hues of yellow between claw-set circular-cut pink sapphires, the petals… | *** |  |
| *** | 18ct white gold and diamond ring, Cerrone claw-set with a cushion modified brilliant-cut diamond weighing 3.21 carats, the claws and gallery pave-set with 46 brilliant-cut diamonds above a continuous band of 20 brilliant-cut diamonds, the smaller diamonds… | *** |  |
| *** | 18ct white gold, emerald and diamond 'Upswept' ring, 2018, claw-set to the top with a square mixed-cut emerald weighing 6.80 carats, each shoulder end-set with a graduated line of five emerald-cut diamonds together weighing 3.84 carats, the bridge… | *** |  |
| *** | 18ct white gold and diamond ring. The three stone diamond ring is claw-set to the centre with a round brilliant-cut diamond weighing 2.04 carats, between a pair of similarly cut diamonds together weighing approximately 1.00 carat, size K 1/2. Accompanied… | *** |  |
| *** | 18ct pink gold and Argyle diamond ring, set to the front with a claw-set square Argyle fancy light brown diamond weighing 2.02 carats, framed by a border of light pink diamonds set between two claw-set brilliant-cut diamonds and finished by a band… | *** |  |
| *** | Platinum and diamond ring, centring a claw-set brilliant-cut diamond weighing 3.35 carats to shoulders set with a tapered baguette diamond, the smaller diamonds together weighing approximately 0.40 carat, size K. Accompanied by a Gsl report numbered… | *** |  |
| *** | Diamond ring, the 5.17 carat brilliant-cut diamond is claw-set in 18ct gold (rhodium plated), size M. Accompanied by a Gsl report numbered AA64866/1, dated 29 March 2021, stating that the 5.17 carat diamond is N colour, Pique 1 clarity. | *** |  |
| *** | Emerald and diamond ring, the square emerald-cut emerald is framed by a border of pave-set brilliant-cut diamonds to a similarly set gallery and split shoulders, the emerald and diamonds together weighing approximately 10.50 and 1.20 carats respectively,… | *** |  |
| *** | Ruby and diamond ring, of cluster design, centring a claw-set near round mixed-cut ruby weighing 4.44 carats framed by similarly set marquise-shaped diamonds together weighing approximately 1.68 carats, mounted in platinum and 18ct gold, size U/12;.… | *** |  |
| *** | 18ct bi-colour gold, emerald and diamond ring of cluster design centring a claw-set emerald-cut emerald weighing 6.89 carats framed by a border of grain-set brilliant-cut diamonds to similarly set shoulders, the diamonds together weighing approximately 0… | *** |  |
| *** | 18ct gold, emerald and diamond ring, of cluster, design, centring a claw-set oval-shaped emerald weighing approximately 3.65 carats, framed by a border, of similarly set heart and pear-shaped diamonds to shoulders partially channel-set with carre -cut… | *** |  |
| *** | Platinum and diamond ring, the three stone diamond ring is claw-set to the centre with a round brilliant-cut diamond weighing 1.73 carats, between a pair of similarly cut diamonds together weighing approximately 1.60 carat, size H. Accompanied by a GSL… | *** |  |
| *** | 18ct white gold and diamond ring, of cluster design centring a collet-set brilliant-cut diamond weighing 2.05 carats framed by a border pave-set with brilliant and single-cut diamonds to similarly set gallery and shoulders, the smaller diamonds together… | *** |  |
| *** | Emerald and diamond ring, of cluster design centring a claw-set octagonal emerald-cut emerald framed by a tiered double border of similarly set brilliant-cut diamonds to split shoulders partially set with brilliant-cut diamonds, the emerald and diamonds… | *** |  |
| *** | Platinum and diamond ring, Boucheron, Paris the upswept band channel-set with a row of nine baguette diamonds against a ground pave-set with brilliant-cut diamonds, the diamonds together weighing approximately 2.45 carats, size M, signed Boucheron, Paris,… | *** |  |
| *** | 18ct white gold and diamond 'Stella' ring, Canturi, 2020, of cluster design, centring a claw-set brilliant-cut diamond weighing 2.12 carats surrounded by an open work offset mosaic halo of claw-set baguette and carre cut diamonds to shoulders partially… | *** |  |
| *** | Diamond ring claw-set with a brilliant-cut diamond weighing 2.46 carats, mounted in 18ct white gold, accompanied by a GIA report numbered 1116095827, dated 1 September 2009, stating that the 2.46 carat diamond is H colour, VS2 clarity, laser inscribed. | *** |  |
| *** | 18ct gold and diamond ring the round brilliant-cut diamond weighing 2.81 carats is claw-set to shoulders channel set with 10 baguette diamonds, the baguette diamonds together weighing approximately 0.95 carat, size X 1/2. Accompanied by a GSL report… | *** |  |
| *** | 18ct gold, diamond, ruby, sapphire and emerald 'Nigeria' ring, Cartier the wide band set throughout with brilliant-cut diamonds and fancy-cut buff-top emeralds, sapphires and rubies, the diamonds together weighing approximately 3.50 carats, size J (50)… | *** |  |
| *** | Diamond ring, the old European-cut diamond weighing 3.41 carats is claw-set in platinum, size M 1/2. Accompanied by a GSL report numbered AA66382, dated 17 June 2022, stating that the 3.41 carat diamond is N colour, VS2 clarity. | *** |  |
| *** | Platinum and diamond ring, designed as a continuous band, of 26 claw-set emerald-cut diamonds, together weighing approximately 5.50 carats, size R, signed Chaar. | *** |  |
| *** | A rare black opal and diamond ring centring a black opal fashioned as an oval cabochon which is distinguished by a distinct Chinese writing pattern and play-of-colour predominantly in vivid greens, blues, and reddish orange, weighing approximately 8.70… | *** |  |
| *** | 18ct white gold and diamond 'Regina' ring, Canturi, the square modified brilliant-cut diamond weighing 2.01 carats is claw-set to shoulders partially set with brilliant-cut diamonds and a diamond-set gallery, the smaller diamonds together weighing… | *** |  |
| *** | Platinum and 18ct pink gold, pink diamond and diamond ring, the three stone diamond ring is claw-set to, the top with a cut-cornered rectangular modified brilliant-cut pink diamond weighing 1.00 carat, between a Pair of similarly set brilliant-cut near… | *** |  |
| *** | 18ct white gold and diamond 'Spiga' ring, Bulgari, designed as a coil of chevron motifs pave-set at intervals with brilliant-cut diamonds together weighing approximately 2.30 carats, size J, adjustable, signed Bvlgari, made in Italy, Italian assay mark. | *** |  |
| *** | 18ct gold, lacquer, peridot and onyx 'Panthere' ring, Cartier, modelled as a panther head applied with black lacquer spots, accented by peridot set eyes and an onyx set nose, mounted in 18ct gold, size 53 (M), signed Cartier, numbered 03160C, French… | *** |  |
| *** | 18ct white gold, black sapphire and diamond 'Stella' ring, Canturi, 2017, of cluster design, centring a claw-set oval-shaped black sapphire surrounded by an open work offset mosaic halo of claw-set baguette and carre cut diamonds to a band end-set with… | *** |  |
| *** | Platinum, 18ct gold and diamond ring. Claw-set to the front with an old European-cut diamond weighing 2.96 carats above three fused bands partially claw-set with old-cut diamonds together weighing approximately 1.00 carat, size G 1/2. Accompanied by a GSL… | *** |  |
| *** | 18ct white gold, diamond and emerald 'Cubism Radiant' rings, Canturi, comprising: a ring set to the front with a claw-set square modified brilliant-cut diamond weighing 1.72 carats to an emerald highlighted band partially set with an offset mosaic of… | *** |  |
| *** | 18ct white gold and diamond ring, Canturi, the 2.01 carat square modified brilliant-cut diamond is mounted in 18ct white gold, the reverse tapered band accented to each side with a brilliant-cut diamond, size E½, signed Canturi. Accompanied by. A… | *** |  |
| *** | Platinum and diamond ring centring a claw-set emerald-cut diamond weighing 2.36 carats, flanked by two half collet-set baguette diamonds together weighing approximately 0.70 carat, size O. Accompanied by a GSL report numbered AA64008/1, dated 11 August… | *** |  |
| *** | Platinum and diamond ring, claw-set with a line of sixteen princess-cut diamonds together weighing approximately 8.00 carats, mounted in 18ct white gold, size M/52. | *** |  |
| *** | 18ct white gold and diamond ring the 2.44 carat round brilliant-cut diamond is claw-set above shoulders partially channel-set with two rows of baguette diamonds, size J 1/2. Accompanied by a GSL report numbered AA63483/2, dated 20 February 2020, stating… | *** |  |
| *** | 18ct white gold and diamond ring, the 2.44 carat round brilliant-cut diamond is claw-set above shoulders partially channel-set with 2 rows of baguette diamonds, size J 1/2. Accompanied by a GSL report numbered AA63483/2, dated 20 February 2020, stating… | *** |  |
| *** | Platinum and 18ct gold, diamond, ruby and sapphire ring, circa 1890 Set to the top with a curved plaque centring an oval-cut ruby weighing approximately 0.60 carat, an old European-cut diamond weighing approximately 0.95 carat and an oval-cut sapphire… | *** |  |
| *** | 18ct white gold and diamond 'Himalia' ring, Cartier, designed as two half disks, perforated by two rectangular bars, all pave-set with round brilliant-cut diamonds weighing approximately 2.15 carats, size L/52, signed Cartier, numbered 83286A, with French… | *** |  |
| *** | 18ct white gold and diamond ring, centring a claw-set emerald-cut diamond weighing 2.53 carats, flanked by three similarly set baguette diamonds together weighing approximately 0.28 carat, size L. Accompanied by a GSL report numbered AA65264, dated 9 July… | *** |  |
| *** | 18ct white gold, sapphire and diamond ring claw-set to, the centre with an oval-shaped sapphire weighing 10.514 carats and flanked by similarly set brilliant-cut diamonds together weighing approximately 1.40 carats, size P1/2;. Accompanied by an AGL Thai… | *** |  |
| *** | Diamond ring, of lozenge-shaped cluster design, claw-set to the centre with 36 brilliant-cut diamonds framed by a double border of similarly set tapered baguette, marquise-shaped and brilliant-cut diamonds accented by channel-set baguette diamond scrolls,… | *** |  |
| *** | Platinum and diamond clip, Lacloche Freres, circa 1920, the shield-shaped clip centring a collet-set tapered baguette diamond weighing approximately 1.35 carats surrounded by pave-set mixed brilliant and single-cut diamonds, the hinges channel-set with… | *** |  |
| *** | 18ct gold, aquamarine and diamond 'Labyrinth' ring, Canturi, 2016, Partially collet-set and claw-set to the top with an oval-shaped aquamarine, the claw accented with a diamond, to shoulders and bridge embellished with an abstract maze motif, the ground… | *** |  |
| *** | 14ct white gold and diamond ring, the claw-set 2.33 carat emerald-cut diamond is flanked by two channel-set baguette diamonds and set above shoulders partially pave-set with diamonds and two clusters of four claw-set circular-cut diamonds, size O. … | *** |  |
| *** | Platinum, 18ct gold and diamond 'Sixteen Stone' ring, Jean Schlumberger for Tiffany & Co., designed as a continuous series of eight pairs of round brilliant-cut diamonds alternating between X-shaped motifs, the diamonds together weighing approximately 1… | *** |  |
| *** | Diamond ring, of half hoop design claw set to the top with three rows each of nine radiant-cut diamonds together weighing approximately 10.80 carats, mounted in 18ct gold, size O 1/2. Provenance: Important jewels, Sotheby's Australia, 23 April 2013, lot… | *** |  |
| *** | Two 18ct white gold and diamond rings, comprising: a round brilliant-cut diamond weighing 2.01 carats claw-set in 18ct white gold; a band inscribed ' Forever MAD', similarly set with eight round brilliant-cut diamonds together weighing approximately 1.00… | *** |  |
| *** | 18ct white gold and diamond ring, set to the front with a claw-set brilliant-cut diamond weighing 1.95 carats, to shoulders each pave-set with three brilliant-cut diamonds and two collet-set baguette diamonds, the smaller diamonds together weighing… | *** |  |
| *** | Gold, diamond and yellow diamond ring, the 5.04 carat modified cushion-cut diamond is collet and claw-set to shoulders partially pave-set with yellow and near colourless circular-cut diamonds, mounted in 18ct gold, size K. Accompanied by a GSL report… | *** |  |
| *** | Titanium, 18ct white gold, sapphire and diamond ring, the undulating, concave disc is pave-set with circular-cut sapphires framed by similarly set brilliant-cut diamonds, the edge of the disc accented with a continuous line of brilliant-cut diamonds and… | *** |  |
| *** | 18ct white gold and diamond 'Success' ring, Fred, designed as a continuous line of offset irregularly shaped bombe or flattened batons pave-set with brilliant-cut diamonds together weighing approximately 2.32 carats, size 53 (M), signed Fred, maker's mark… | *** |  |
| *** | 18ct bi-colour gold and diamond ring, designed as two fused bands, claw-set to the top with a pear shaped diamond weighing 2.01 carats flanked by collet and channel-set brilliant-cut diamonds, the smaller diamonds together weighing approximately 0.60… | *** |  |
| *** | 18ct bi-colour gold and diamond ring, the three stone diamond ring is claw-set to the centre with a brilliant-cut diamond weighing 2.92 carats, between a pair of similarly cut diamonds weighing 1.83 and 2.05 carats respectively, size S 1/2. Accompanied by… | *** |  |
| *** | 18ct pink gold, sapphire and diamond ring, of bombe design claw-set with oval and pear-shaped pink sapphires accented at intervals by brilliant-cut diamonds, the sapphires and diamonds together weighing approximately 10.53 carats and 0.48 carat… | *** |  |
| *** | Belle Epoque sapphire and diamond ring, circa 1900 set along the finger with a mixed cut pear-shaped sapphire weighing approximately 2.30 carats framed by old European-cut diamonds to a ribbon and foliate surmount set throughout with similarly cut… | *** |  |
| *** | Platinum, 18ct gold, sapphire and diamond ring the elongated plaque is millegrain-set with five brilliant-cut diamonds together weighing approximately 0.82 carat, against a calibre-cut sapphire and brilliant-cut diamond surround, to similarly cut… | *** |  |
| *** | 18ct gold, diamond and ruby ring of cluster design, centring a claw-set pear-shaped diamond weighing 2.42 carats framed by a border of channel-set rubies to shoulders partially pave-set with brilliant-cut diamonds, size J 1/2. Accompanied by a GSL report… | *** |  |
| *** | Platinum, emerald and diamond ring of bombe; design claw-set with oval-shaped emeralds and accented at intervals by brilliant-cut diamonds, the emeralds and diamonds together weighing approximately 8.49 carats and 0.22 carat respectively, size O. | *** |  |
| *** | Platinum and diamond ring, of cluster design, centring a collet-set cushion modified brilliant-cut diamond weighing 2.01 carats, framed by a border of pave-set diamonds to similarly set shoulders, the smaller diamonds together weighing approximately 0.38… | *** |  |
| *** | Platinum and diamond 'Novo' ring, Tiffany & Co. Set to the top with a claw-set princess-cut diamond weighing 1.51 carats to shoulders partially set with brilliant-cut diamonds together weighing approximately 0.10 carat, size J, signed Tiffany & Co.,… | *** |  |
| *** | 18ct bi-colour gold, sapphire and diamond ring, of cluster design, centring a cushion-shaped sapphire weighing 9.12 carats bezel-set in 18ct yellow gold and framed by a border pave-set with brilliant-cut diamonds to split shoulders partially pave-set with… | *** |  |
| *** | 18ct white gold and diamond ring, of open work design claw-set to the top with three rows of brilliant-cut diamonds accented by a similarly set crossover line, the diamonds together weighing approximately 6.18 carats, . | *** |  |
| *** | Emerald and diamond ring, of cluster design centring a claw-set rectangular cushion-cut emerald framed by an open work double border of claw-set brilliant-cut diamonds to similarly set split shoulders, the emerald and diamonds together weighing… | *** |  |
| *** | 18ct white gold, emerald and diamond ring, of cluster design, centring a claw-set octagonal step-cut emerald weighing 6.70 carats, framed by a double border of brilliant-cut diamonds together estimated to weigh 2.21 carats, size M/12;. Accompanied by a… | *** |  |
| *** | 18ct white gold, aquamarine and diamond 'Upswept' ring, Canturi, 2018, claw-set to the top with an emerald-cut aquamarine weighing 9.42 carats to shoulders each claw-set with a trapezoid-cut diamond, the diamonds together weighing 0.47 carat, size J,… | *** |  |
| *** | 18ct bi-colour gold and diamond 'Regina' ring, Canturi, the brilliant-cut diamond weighing 1.50 carats is claw-set to band of geometric design partially set with brilliant-cut diamonds together weighing approximately 0.45 carat, size I/12;, signed Canturi… | *** |  |
| *** | Platinum, aquamarine and diamond ring centring a rectangular step-cut aquamarine weighing approximately 24.64 carats between buckle-shaped shoulders mounted with baguette and single-cut diamonds together weighing approximately 1.30 carats, size M. | *** |  |
| *** | Platinum, natural pearl, tourmaline and diamond flower ring, Taffin. Modelled as a flowerhead set to the centre with a 10 mm natural button pearl framed by carved and polished pink tourmaline petals to gallery, shoulders and band pave-set with diamonds… | *** |  |
| *** | Platinum, opal and diamond ring, of cluster design, centring a claw-set oval cabochon opal weighing 10.84 carats surrounded by one continuous border and one spaced border of similarly set brilliant-cut diamonds, to shoulders partially set with… | *** |  |
| *** | 18ct bi-colour gold, sapphire and diamond ring of cluster design centring a claw-set round mixed-cut sapphire weighing 5.69 carats bordered by brilliant-cut diamonds together weighing approximately 0.68 carat, accompanied by a GSL gemstone authentication… | *** |  |
| *** | Diamond and ruby ring of cluster design, centring a claw-set early modern brilliant-cut diamond framed by a border of channel-set tapered square baguette rubies, the diamond and rubies together weighing approximately 2.70 and 1.30 carats respectively,… | *** |  |
| *** | 18ct white gold, sapphire and diamond ring set to the top with a cushion-shaped sapphire weighing 8.98 carats, the claws and gallery pave-set with brilliant-cut diamonds, the gallery further embellished with marquise and pear shaped diamonds to… | *** |  |
| *** | 18ct white gold, ruby and diamond ring, of cluster, design, centring a claw-set pear-shaped ruby weighing 4.55 carats framed by a border, of similarly set brilliant-cut diamonds and a second border, of marquise and pear-shaped diamonds to split… | *** |  |
| *** | Titanium, 18ct white gold, sapphire and diamond ring. The undulating, concave disc is pave-set with circular-cut sapphires framed by similarly set brilliant-cut diamonds, the edge of the disc accented with a continuous line of brilliant-cut diamonds and… | *** |  |
| *** | 18ct white gold, diamond and emerald 'Regina' ring, Canturi the brilliant-cut diamond weighing 1.20 carats is claw-set to an emerald highlighted band of geometric design inset with rows of brilliant-cut diamonds together weighing approximately 0.37 carat,… | *** |  |
| *** | Two platinum and diamond rings, Cerrone, comprising: a brilliant-cut diamond weighing 1.02 carats claw-set in platinum to shoulders partially pave-set with brilliant-cut diamonds together stated to weigh 0.37 carat; a band similarly set with thirteen… | *** |  |
| *** | 18ct tri-colour gold ring, Bulgari, of fluted bombe design, gross weight approximately 20 grams, size L, signed Bulgari, made in Italy, numbered 2337AL. | *** |  |
| *** | Tourmaline ring, centring a partially collet-set cushion-shaped pink tourmaline weighing 34.39 carats to pierced filigree shoulders, mounted in 18ct white gold, size J, signed Mondial., accompanied by a GSL gemstone authentication report numbered AA46768,… | *** |  |
| *** | A fine black opal and diamond ring claw-set with a black opal fashioned as an oval cabochon displaying a distinct play of colour predominantly in vivid blues, greens and reddish orange, weighing approximately 4.22 carats, between crossover scrolled… | *** |  |
| *** | 18ct gold and diamond ring, Leo Pizzo, designed as a stack, of four entwined bombe half hoops pave -set with brilliant-cut diamonds together weighing approximately 3.60 carats, size N, signed Leo Pizzo, Italian maker's marks, alternate hoops rhodium… | *** |  |