Emerald Necklace: Emerald is the green variety of beryl (Be3Al2(SiO3)6). Beryl has a hardness of 7.5–8. Most emeralds are highly included, so their resistance…
EMERALD AND DIAMOND NECKLACE/ BROOCH, CIRCA 1905. The central jewel of folded lace ribbon design, set with calibré-cut emeralds, millegrain set with circular-cut and rose diamonds, suspended from knife edge linking, highlighted at intervals by diamonds, length approximately 450mm, accompanied by original screw driver and alternative brooch fitting, fitted case, Koch.
Emerald and Diamond Necklace, Van Cleef & Arpels Of graduating fringe design, suspending seven step-cut emeralds surrounded by variously-shaped diamonds, anchored by two step-cut emeralds to the centre and back, the necklace set with brilliant-cut diamonds, the emeralds and diamonds together weighing approximately 40.25 and 60.00 carats respectively, mounted in platinum and 18 karat yellow gold
Emerald and Diamond Necklace and Pair of Matching Ear Clips The necklace set with 7 oval emeralds surrounded by brilliant-cut diamonds, the centre suspending a pear-shaped emerald, to a necklace set with variously-shaped diamonds, completed by an emerald-set clasp, the emeralds together weighing app 56.20 cts & pair of matching ear clips, each set with an oval emerald altogether weighing app 17.70 cts; the diamonds altogether weighing approximately 40.50 carats, mounted in 18 karat white gold