A SOLITAIRE DIAMOND RING in platinum, set with an old

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 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.

SOLITAIRE DIAMOND RING, EARLY 20TH CENTURY in 18ct yellow gold and platinum, set with an old cut diamond, between geometric shoulders, stamped 18ct Plat, size K / 5.25, 2.2g.

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.

A GENTLEMEN S PLATINUM SOLITAIRE 2CT DIAMOND RING fitted an old cut diamond of good colour and clarity set in a heavy platinum shank hallmarked for Boodle & Dunthorne, London. Size W. Total weight app

Victorian platinum ladies ring from Birks. Set with a solitaire diamond, weight 1.28ct clarity VVS2, color H, symmetry B/B. Measures 6.90/6.92 - 4.3 mm. Old European cut, on each side two diamond bagu

This is an antique platinum filigree Art Deco ladies ring set with an 2.93ct Old European cut solitaire diamond. The solitaire is flanked by sapphire accents. Diamond Clarity: SI Diamond Color: NOP. R

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.

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

Unmarked Platinum ring with old European cut diamond approx. 5mm solitaire with slight color, small sapphires per test set on shoulders. ring size approx 6.75. Has a hairline crack in metal on side of

Features a 10.03-carat old oval brilliant cut diamond set in platinum and flanked by two old-mine cut diamonds. The center diamond comes with a GIA Diamond Grading Report stating that it is of I color

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

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 1.01 CARAT SOLITAIRE DIAMOND ENGAGEMENT RING in platinum, set with a round brilliant cut diamond of 1.01 carats, the band half set with further round brilliant cut diamonds, partial British hallmark

A SOLITAIRE DIAMOND DRESS RING in platinum, set with a round cut diamond within a tapering band, full British hallmarks, size M / 6, 4.1g.

14K YELLOW GOLD EUROPEAN CUT SOLITAIRE DIAMOND RING 14K yellow gold solitaire diamond ring, set with 1 "Old European" cut diamond weighing approximately 0.64 carat with grades of Clarity: VS-2, Color

A DIAMOND SOLITAIRE RING in platinum, set with a round cut diamond of 0.53 carats, full British hallmarks, size J / 5, 4.0g. Accompanied by a gemological report from the GIA stating that the diamond i

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.

DIAMOND SOLITAIRE RING, in platinum. Set with a round brilliant cut diamond of 0.51 ct. Size M. 4.6 grams. Accompanied by GIA report No. 2227302826, stating that the 0.51 ct. diamond is H. Color, VS2

AN ART DECO DIAMOND DRESS RING in platinum, set with an old cut diamond of 2.20 carats, between pairs of old cut diamonds, French assay marks for platinum, size L / 5.5, 5.8g.

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