PLATINUM DIAMOND SOLITAIRE RING WITH OLD MINE

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

platinum diamond ring, 1918, old European cut diamond weighing approx. .70 ct, with six round diamonds on the shoulders, near colorless, slightly included, size 6.75, 2.8 DWT

platinum diamond ring, 1918, old European cut diamond weighing approx. .70 ct, with six round diamonds on the shoulders, near colorless, slightly included, size 6.75, 2.8 DWT

Old mine cut diamond center stone measuring 9.5mm - 9.75mm in diameter (VERY chipped/off-color), shank stamped and tested 90% platinum composition, size 6.25, 4.5 grams total weight.

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

Edwardian 14K yellow gold and platinum old European-cut diamond solitaire ring, stamped: "14K." Diamond approx: 0.25 ct tw, color: L, clarity: I1. Ring measures 0.875" L x 0.25" W. Gold and platinum t

Lovely Art Deco diamond solitaire ring that features a 5.26-carat Old European cut diamond in a beautiful platinum setting. The diamond is O-P color, VS2 clarity. It is flanked by an old European cut

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.

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.

centering an old European-cut diamond, measuring approximately 9.05 x 9.1 x 5.7mm, weighing an estimated 2.95cts., K-L color/VS-SI clarity, accented by 4 round brilliant and baguette-cut diamonds weig

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.

2.00ct VS2-SI1/H-J Old European-Cut Diamond Solitaire & Solid Platinum Ring W/1.50ctw Emerald, Sapphire & Diamond Accents - This ring is made of solid platinum, and has an approximate 2ct old European

Beautiful Filigree platinum setting. Estimated to be from the 1920's 1930's. Over 100 years old and in fabulous condition! Rarely worn. Natural mined European cut diamond approx. 4mm Est. 0.24 carat W

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

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

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

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.

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

Estimated weight 1.95 ct, estimated color L-M, estimated purity Piqué. Trimmed..

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