A platinum diamond and aquamarine two-stone ring.

AN AQUAMARINE AND DIAMOND THREE STONE RING in yellow gold and platinum, set with a cushion cut aquamarine between two round brilliant cut diamonds, obscured British hallmarks, size N / 6.5, 2.7g.

An early 20th century platinum old-cut diamond two-stone crossover ring, with asymmetric shoulders, estimated total diamond weight 0.55ct, H-J colour, SI2-P1 clarity, band stamped PLAT, ring size N, 2

Platinum Two Stone Diamond Ring. This eye catching platinum ring features two central old European cut round diamonds, the first of which is approximately 1.27 ct.*, VS2 in clarity, and K in color, an

Hubert Aquamarine, Diamond, Platinum Ring Stones: Emerald-cut aquamarine weighing approximately 15.20 carats; full-cut diamonds weighing a total of approximately 1.05 carats Metal: Platinum Marked: Hu

Platinum and Two Stone Diamond Ringin a geometric bypass design set with two central full cut round diamonds weighing approximately 1.12 total carats (I-J color, VS clarity), the two sides with single

A DIAMOND TWO-STONE RING, CIRCA 1940 Set with two old brilliant-cut diamonds in a rectangular faceted surround, mounted in platinum, diamonds approximately 1.90cts total, numbered, indistinct maker&#8

A DIAMOND TWO STONE RING old-cut diamonds in claw settings, to diamond-set shoulders. Estimated total diamond weight 0.95ct, marked 'Platinum', ring size O1/2, 3.2 grams Good condition. Estimated c

Ladies vintage platinum diamond ring featuring two prong set round European cut diamonds and accented with additional round single cut diamonds. Total diamond weight approx. 1.00ct. Detailed with an e

Aquamarine, Diamond, Platinum Ring Stones: Emerald-cut aquamarine weighing approximately 26.35 carats; triangle-shaped diamonds weighing a total of approximately 0&period

Aquamarine, Diamond, Platinum Ring Stones: Emerald-cut aquamarine weighing approximately 17.10 carats; full-cut diamonds weighing a total of approximately 0.25 car

METAL: Platinum. GEMSTONES: Two baguette diamonds (one damaged/chipped). Center of the ring fit approx. 11mm x 10mm stone. MEASUREMENTS: Ring size 5 3/4, ring top is 11.5mm wide. TESTED: Plat. WEIGHT:

Platinum ring features two baguette diamonds on either side of mounting totaling approx. 0.20ctw. Center will fit approx. 8mm round stone. Ring size 5.75. Marked Plat,10% Irid. Weight- 5.6 grams. Gems

A Tiffany & Co Soleste platinum diamond & aquamarine ring. Size 4.5. 1ctw of diamonds, d-f color, VVS2 clarity. Aquamarine center stone measures 8.6mm x 8.6mm x 4.8mm, aprx. 1.70 ct. Accompanied by Ti

Antique platinum three stone diamond ring. The ring features three (3), four prong set, old mine cut diamonds set in basket style heads with the largest in the center and accented with two (2), pave s

METAL: Platinum. MEASUREMENTS: Ring size approx. 6.5-6 3/4, center will fit approx. 10mm x 8.5mm stone. Ring has to been resized previously. GEMSTONES: Two tapered baguette diamonds. MARKED: Pt950. WE

Ring size - 5 1/4, center stone will fit approx. 8mm x 7.8mm stone, two side diamonds - approx. 0.16ctw. Ring has split shank. Marked: 10% irid plat. Weight - 4.2 grams.Gemstones have not been graded

AN AQUAMARINE AND DIAMOND THREE STONE RING in 9ct yellow gold, set with an oval cut aquamarine between two round brilliant cut diamonds, British hallmarks, size L / 5.5, 2.0g.

Two mid 20th century 18ct gold and platinum diamond three-stone rings. Each designed as three brilliant-cut diamonds, to the plain band. Estimated total diamond weight 0.45ct. Weight 5gms. Overall con

METAL: Platinum. GEMSTONES: Old mine cut diamond approx. 0.80ct, two larger side OMC stones - 0.30ct each. MEASUREMENTS: Ring size 5 1/4, ring top is 13mm wide. TESTED: Plat. WEIGHT: 6 grams.Gemstones

Magnificent diamond three-stone ring created by Lawrence Graff. Features a 10.62-carat natural fancy yellow cut-cornered square modified brilliant cut diamond flanked by two calf's head shape faceted

METAL: Platinum. MEASUREMENTS: Ring size - 7 1/4, ring top is 8.8mm x 16mm. GEMSTONES: Aquamarine - approx. 2ct ( by formula), two diamonds - approx. 0.50ctw. MARKED: Tiffany & Co, pt950. WEIGHT:

PLATINUM & 1.73CT DIAMOND T.W. RING, SIZE 6.5:Antique style major double diamond and side stone ring. Stamped platinum. Weighing 4.1 grams. Ring contains two old European cut diamonds, each measuring

METAL: 18K gold, platinum. GEMSTONES: old mine cut diamonds - approx. 1.40-1.50ctw, blue stone (abraded top) - 12.2mm x 9.1mm . Two small side stones are missing. MEASUREMENTS: ring size 5. Ring top i

METAL: Platinum. GEMSTONES: Two tapered baguette diamonds. Center of the ring will keep approx. 12mm x 9.5mm stone. MEASUREMENTS: Ring size 7 1/4, ring top is 15mm wide. MARKED: 10%Irid Plat. WEIGHT: