An important, 26.18 ct emerald cut/Round brilliant cut diamond necklace. 18ct white gold featuring sixty eight flexible links, each with one with an emerald cut diamond, surrounded with small round brilliant cut diamonds, the largest emerald cut diamond is estimated as 1.12cts, H colour, VS clarity, the other sixty seven are reported as 19.38 cts total, and estimated F - J colour, VS1 clarity in average, and a total of nine hundred and sixty eight, round brilliant cut diamonds of estimated total weight 5.68 cts, F - G colour, VS2 - SI1 clarity. The necklace is secured with a hidden tongue and box clasp and twin figure '8' clasps. Length 45 cm. Finished weight 68.00 grams.