A 4.37 CARAT SOLITAIRE DIAMOND RING in platinum, set with an old cut diamond of 4.37 carats accented

A 4.37 CARAT SOLITAIRE DIAMOND RING in platinum, set with an old cut diamond of 4.37 carats accented on each side by a baguette cut diamond, full British hallmarks, size Q1/2 / 8.5, 6.6g. 

A SOLITAIRE DIAMOND RING in platinum, set with an old European cut diamond of 3.80 carats accented by two baguette cut diamonds of 0.32 and 0.31 carats, stamped Plat, size N / 6.5, 6.0g.

A 2.02 CARAT SOLITAIRE DIAMOND ENGAGEMENT RING in platinum, set with an old European brilliant cut diamond of 2.02 carats to a tapering band, British hallmarks, size N / 6.75, 5.1g.

A 1.00 CARAT SOLITAIRE DIAMOND ENGAGEMENT RING in platinum, set with a round brilliant cut diamond of 1.00 carats, accented by further round brilliant cut diamonds to the band, British hallmarks for p

A SOLITAIRE DIAMOND DRESS RING set with an old cut diamond of 0.25 carats, accented by two single cut diamonds, no assay marks, size L / 5.75, 2.7g.

AN ART DECO DIAMOND RING CIRCA 1930 in high carat yellow gold and platinum, set with an old cut diamond of 1.09 carats, accented by further single cut diamonds, unmarked, size O / 7.25, 3.7g.

A SOLITAIRE DIAMOND RING in 18ct yellow gold and platinum, set with an old cut diamond of approximately 0.67 carats, stamped PLAT, size P1/2 / 7.75, 3.2g.

AN UNHEATED YELLOW SAPPHIRE AND DIAMOND RING in platinum, set with a cushion cut yellow sapphire of 9.43 carats accented by old cut diamonds, stamped PLAT, size O / 7, 5.9g. Accompanied by a gemmologi

A SOLITAIRE DIAMOND DRESS RING, EARLY 20TH CENTURY in 18ct yellow gold and platinum, set with an old cut diamond of 0.51 carats within a tapering band, stamped 18ct Plat, size K / 5.25, 2.4g.

AN ART DECO DIAMOND DRESS RING in platinum, the geometric face set with two old cut diamonds of approximately 1.15 and 1.04 carats, accented by rose cut diamonds, French import mark, size Q / 8.25, 5g

AN ART DECO SAPPHIRE AND DIAMOND DRESS RING in platinum, set with an old cut diamond of approximately 1.50 carats in a double border of step cut sapphires and old cut diamonds, the band accented by fu

A platinum and diamond solitaire ring, Tiffany & Co. centering an old European-cut diamond weighing approximately 2.60 carats, accented by old European-cut diamonds, mounted in platinum. Stamped Tiffa

A SOLITAIRE DIAMOND ENGAGEMENT RING in platinum, set with a central pear shaped brilliant cut diamond of 1.67 carats, between two smaller pear brilliant cut diamonds of 0.48 and 0.45 carats, accented

Including a platinum ring, center double 4-prong set with one Old European cut Diamond [L/SI-1], approximately 1.28 carats, accented with 24 single cut round Diamonds [H/SI], approximate total weight

A FRENCH ART DECO DIAMOND DRESS RING in platinum, the navette shaped face set to the centre with an old mine cut diamond of 0.70 carats between two old mine cut diamonds, accented by further rose cut

View a video of this lot: Click HereCrafted in platinum; set with old European-cut diamonds, weighing a total of approximately 2.00 carats, most with J-L color and I clarity; accented

Tiffany style setting, marked Platinum. Set with approximately 1.06 carat (by formula) Old European cut diamond. Diamond measurements 6.5mm x 6.5mm x 4.1mm. Clarity SI1, Color J-K. 4.4 grams. Size 6.

Art Deco style Diamond and Platinum Ring. Set in the center with a 2.01 carat old European cut diamond, K-L color, VS2 clarity. Accented with .95 carat TW round brilliant cut diamonds, E-F color, VS1-

Art Deco style Diamond and Platinum Ring. Set in the center with a 1.68 carat old European cut diamond, I-J color, VS1 clarity. Accented with .15 carat TW round brilliant cut diamonds, E-F color, VS1-

Art Deco style Diamond and Platinum Ring. Set in the center with a 1.43 carat old European cut diamond, K color, VS2 clarity. Accented with .32 carat TW round brilliant cut diamonds, E-F color, VS1-VS

DESCRIPTION: Vintage platinum (marked 10% Irid Plat) engagement ring set with center Old European cut diamond, approximately 1.16 carat (by formula). Clarity I1, Color H-I. Accented by seven single cu

DESCRIPTION: Vintage platinum (marked 10% Irid Plat) engagement ring set with center Old European cut diamond, approximately 1.16 carat (by formula). Clarity I1, Color H-I. Accented by seven single cu

Art Deco style Diamond, Sapphire and Platinum Ring. Set in the center with a .75 carat old European cut diamond, F-G color, VS2 clarity. Accented with .74 carat TW round brilliant cut diamonds, E-F co

Art Deco style Diamond, Sapphire and Platinum Ring. Set in the center with a .40 carat old European cut diamond, F-G color, VS2 clarity. Accented with .31 carat TW round brilliant cut diamonds, E-F co