Platinum and Diamond Solitaire, set with a marquise-cut diamond weighing approx. 3.25 cts., flanked

Set with a RBC diamond, weighing approx. 1 cts., flanked by RBC diamonds within a frame of baguette and marquise-cut diamonds, melee approx. .40 ct. TW, mounted in millegrained platinum, ca. 1955. Siz

Platinum and Diamond Solitaire, bezel-set with a full-cut diamond weighing approx. 2.90 cts., framed by blue stones, the mount set with diamond melee, engraved accents, size 5 1/4.

Diamond, Platinum Ring. Featuring one marquise-cut diamond weighing approximately 3.30 cts., flanked by two tapered baguette-cut diamonds weighing approximately 0.20 cttw., set in a platinum mounting.

Platinum Art Deco engagement ring containing old European cut diamond measuring 8.09mm weighing approx 2 cts., 6 marquis cut diamonds set in floral design on shoulders of ring, size 5.5, 4 grams tw

Bulgari Star ruby, diamond, and platinum ring Set with an oval cabochon star ruby weighing approx. 3.23 cts, flanked by baguette-cut diamonds ; 1930s Platinum Signed Bulgari Ring size 6; Gross weigh

GENT'S RING - 14K Gold and Old European Cut Diamond Solitaire. Centering a gypsy set old European cut diamond weighing approx. 1.08 cts; Color: VVS; Clarity: L, set with six hand engraved prongs to th

Two Platinum and Diamond Band Rings Unmarked; the first set with single cuts diamonds weighing approx. 1.20 cts., the second set with single cut diamonds weighing approx. 0.80 ct. Size 9 1/2 and 10, 5

Signed Tiffany & Co. platinum & diamond ring set with one round cut diamond weighting .37 total weight River (H) VS2 and 25 marquise cut diamonds weighing 1.54 cts. includes Tiffany & Co. paperwork di

Edwardian Diamond and platinum engagement ring Set with an old European-cut diamond weighing approx. 1.95 cts and single-cut diamonds; 1910s Platinum Ring size 6.50; Gross weight 2.1 dwts Sold with bo

Platinum and Diamond Ringthe three stone ring centering a millegrain bezel-set old European-cut diamond weighing approx. 0.84 ct. flanked by millegrain bezel-set old European-cut diamonds weighing app

Jacob & Co. Brown diamond ring Set with a radiant-cut brown diamond weighing approx. 7.01 cts Platinum With maker's mark for Jacob & Co. Ring size 5; Gross weight 18.0 dwts

Art Deco Platinum, Sapphire and Diamond Bangle Bracelet, openwork, pierced and textured oval set with a transitional cut diamond weighing approx. 0.20 cts and (2) round sapphires (4.0 mm), 9.0 dwt, 2

Platinum mid-century ring featuring a well cut and proportioned round brilliant cut diamond set in four prongs, weighing approx. 2.15 cts, I-J color, VS clarity, with two tapered baguettes, 6.5 sz, 5.

Diamond and platinum wedding ring set one engagement ring features (1) old mine cut diamond weighing 1.16 cts., flanked by (4) full cut diamonds weighing a total of approximately 0.10 ct., set in a pl

Platinum, Diamond, and Sapphire Ringca. 1920s; centering an old European-cut diamond weighing approx. 2.10 cts. surmounted by channel-set sapphires and single-cut diamonds in a platinum filigree mount

Diamond, platinum and 18k yellow gold ring Featuring (1) round brilliant-cut diamond, weighing 5.11 cts., flanked by (6) baguette-cut diamonds, weighing a total of approximately 0.60 ct., set in a pla

Platinum antique filigree ring set with two round transitional cut diamonds, weighing approx. 3.20 cts and approx. 3.40 cts, for approx 7.60 ctw, average J-K-L color, average I1-I2 clarity, shoulders

Platinum and Diamond Brooch centering a cushion old mine-cut diamond weighing approx. 3.00 cts. surmounted in a bow and starburst design set with old mine-cut diamonds; approx. 6.00 tcw.; 13.89 dwts.;

Platinum sapphire and diamond ring having 1.75 ct. center sapphire with GIA certification report #6213249294; set with 52 baguette and round brilliant cut diamonds weighing approx. 0.54 cts., clarity

Title: Art Deco Platinum Band Description: Art Deco Platinum Band pave set with 35 round cut and marquise cut diamonds weighing approx. .75Cts combined , platinum mounting weighing 2.60Gr/1.70Dwt, rin

Platinum ring featuring a round cut sapphire, weighing approx. 1.80 cts, prong set in center and surrounded by a round cut diamonds set in halo, along shoulders, and in gallery, sz. 5, 6.0 grams

Set with a marquise cut diamond in a weight of approx. 5.50 cts, and 2 taper cut diamonds on the sides. Size approx. 5.5 US. This ring can be enlarged and reduced.

Platinum ring with old European cut diamond weighing approx. .60 ct, diamond solitaire ring with slight color, small diamonds set on shoulders. size 6.75, 1.30 DWT

Platinum ring with old European cut diamond weighing approx. .60 ct, diamond solitaire ring with slight color, small diamonds set on shoulders. size 6.75, 1.30 DWT