A large pear cut imperial topaz of estimated weight 11.80 carats, claw set in an articulated yellow gold twin four pillar and double under-bezel setting with a round brilliant cut diamond above, of estimated weight 0.17 carats, claw set in four pillar white gold setting and secured to a tapered and fluted yellow bale. Overall pendant size 36.0 x 12.0 x 7.7 mm. Total weight of pendant 5.89 grams. Pendant is suspended on a 10ct yellow gold chain. Chain length 45 cm. Total weight of chain 3.57 grams. Gemmologist's report.