The two old brilliant cut diamonds totalling approx 1.55 carats, estimated colour and clarity, G-H / VS1, the shoulders millegrain set with additional small brilliants, platinum set. The yellow gold s

Platinum, Black Diamond and Diamond Art Deco-Style Ring , center prong set square modified brilliant cut Black diamond, wt. approx. 2.06 cts., 6.8 x 6.7 mm; bezel and shoulders with 74 round brilliant

Vintage Art Deco handmade 18K Rose Gold and Platinum Diamond and Ruby Ring. Set with (2) round brilliant cut diamonds in the center. One old European cut weighs approx. 0.48 ct, Clarity SI2, Color F (

Lovely Art Deco ladies ring, with center diamond weighing .61 carats, J color, VS1 clarity. Ring includes GIA certificate. 4 remaining diamonds weigh approximately 1.25 carats. Total 1.86 carats of

This lovely ring has a center old mine cut diamond, weighing approximately .90 carats. Set in platinum with two natural Burma rubies, weighing approximately .50 carats. Large diamond is I-J color, a

Art Deco ring, featuring platinum top and 14k gold shank. With approx. 0.30-0.35ct old mine cut diamonds - each, with small side diamonds. Total approx. 0.90ctw. Ring size - 6, ring top is 13mm wide

Platinum art deco ring with approx. 0.08ctw in diamonds. Ring size 6 1/2, ring top is 4.2mm wide. Marked: 10%Irid Plat. Weight - 3 grams.

Art Deco platinum engagement ring, with center 1.14ct emerald cut diamond, side sapphires and approx. 0.40ctw in side diamonds. Ring size - 7.75, ring top 10.5mm wide. Weight - 3.9 grams.

The central step cut emerald with inclusion features strongly indicative of Columbian origin, approx. 1.27cts, to delicate baguette cut diamond shoulders. The white shank stamped 'PLATINUM'. Finger si

ART DECO, DIAMOND ETERNITY BANDContaining numerous single cut diamonds. Mounted in platinum. Ring size 7 1/2.Engraved: CKG TO D(obscured)A 6-18-35.1.00 dwt.Property from the Estate of a Gentleman, Gre

The central old brilliant cut diamond approx. 1.20ct, estimated colour and clarity, M / VS1, claw set, with calibrated ruby shoulders. Mounted in platinum. Finger size L.

A platinum art deco period ring featuring a 0.30 ct old European cut diamond (J - VS2) prong set atits center among 0.20 ctw of bezel and pave set round single cut diamonds (G - VS1/VS2). The ring is