Formed by a central round emerald, bordered with brilliant cut diamonds. Platinum chain with details

Formed by a central round emerald, bordered with brilliant cut diamonds. Platinum chain with details sprinkled with brilliant-cut diamonds and marquise-cut emeralds.

Formed by a large central emerald, pear-cut, bordered with brilliant-cut diamonds, finished off with a vegetable design studded with diamonds, simple cut. platinum chain Weight: 40.4 grams.

Formed by a central emerald, oval cut, estimated weight of 0.50 ct. bordered with diamonds, brilliant cut..

A 900-platinum pendant set with a 1.68-carat opal, surrounded by 0.05 carats of round-brilliant cut diamonds. Hung on an 850-platinum chain. Details and measurements: Necklace length: approx. 16 IN. P

Formed by three rosettes of central emeralds, oval cut, bordered with diamonds, brilliant cut.

A 1.1-carat brilliant round cut diamond set in an 850 platinum pendant. Back of pendant is stamped 1.10 and P850. Hung on a 900-purity platinum chain. Details and measurements: Length: 16.5 IN. Weight

Formed by a central emerald in its size, estimated weight of 2.50 ct. set in claws. bordered and flanked by diamonds, brilliant cut and baguette.

Platinum clasp with details of emeralds, round cut and diamonds, brilliant cut, prong setting.

Formed by a central aquamarine, oval cut, set in claws, estimated at 19 ct. of great quality, with a floral border of diamonds, brilliant cut, estimated total weight of 0.30 ct. and emeralds, round cu

Platinum ring formed by a central square emerald and single cut diamond details.

Platinum ring formed by a central square emerald and single cut diamond details.

Round Brilliant Cut Diamond - Size 6 - See Appraisal photo for additional details

14k yellow gold necklace consisting of a flat curb link chain with central section containing three round brilliant cut diamonds weighing approximately 0.20 carat total and four round mixed cut emeral

AN EMERALD AND DIAMOND PENDANT NECKLACE set with a central octagonal cut emerald of 2.85 carats, in a border of round brilliant cut diamonds, stamped 585, pendant 1.0cm, chain 45.0cm, 3.0g.

Handmade, set with central cushion cut Colombian emerald, 1.45ct (by measurement). Deep green color, eye clean, AAA quality. Surrounded by (8) Old Mine cut round brilliant cut diamonds, approx. .33ct

AN EMERALD AND DIAMOND NECKLACE set with a central emerald cut emerald of 3.76 carats within a scrolling open border of round brilliant cut diamonds, with further diamonds and emeralds to the chain, s

and Platinum Ring. Tiffany & Co. Etoile 18kt yellow gold ring with a central round brilliant cut diamond in a platinum surround. Diamond measure approx. 0.75cts, approx. color of F/G, approx. clar

Vintage Approx. 1.25 Carat Emerald, Round Brilliant Cut Diamond and Platinum Cross Over Ring. F-G-H color, SI1-SI2 clarity. Signed Platinum. Good condition. Ring size 6, Approx. weight: 6.9 grams. Sip

GIA Certified 10.12ct Bluish Violet Tanzanite Surrounded By 0.97cts G-H VS2-SI1 Round Brilliant Cut Diamonds Mounted In Platinum. 18 Inch Chain. 12.9 Grams Total Weight. Scroll Through All Photos For

AN 18 CARAT WHITE GOLD TANZANITE AND DIAMOND CLUSTER PENDANT ON A PLATINUM CHAIN a pear-cut tanzanite within a border of round brilliant-cut diamonds, to a platinum box link chain. Estimated total dia

Group of four vintage openwork rings, all with diamonds.One marked 19 karat white gold and platinum openwork ring with a central round brilliant cut diamond, 6 surrounding round brilliant cut diamonds

Lot of four cocktail rings, featuring diamonds. Constructed of 14 karat white gold or platinum.One size 5.25 white gold ring, unmarked, with three central round brilliant cut diamonds and 14 surroundi

Platinum engagement ring displaying a central round brilliant cut diamond flanked by (6) single cut diamonds - shank out-of-round. Accompanied by a platinum wedding band. Center diamond measures appro

Fourteen-Karat Yellow Gold and Diamond Cross Pendant with Chain, the cross mounted with a central round brilliant-cut diamond, with an approximate weight of 2.21 carats, approximate color H and clarit