Oval Cut Platinum Star Sapphire Diamond Ring

Vintage ladies platinum, star sapphire and diamond estate ring; (1) natural star sapphire corundum, oval cabochon-cut, weighing approx 24.63cts, tone: medium dark, saturation: grayish, hue: blue, the

Platinum; Stamped: 10% Irid P / Plat Centering an oval star sapphire gauged at 11.3mm x 9.7mm x 5.15mm flanked on either side by two old European-cut diamonds totaling approximately 0.30ct. and grade

An oval star sapphire cabochon, 23.20 cts. by formula, in strapped platinum and single cut diamond setting with baguette cut diamond shoulder, approx. .80 ct. TW. Ca. 1930. Stamped 10% Irid. Platinum.

A 35.00CT STAR SAPPHIRE GOLD PLATINUM AND DIAMOND RING A 35.00CT STAR SAPPHIRE GOLD PLATINUM AND DIAMOND RING one polished oval star sapphire flanked by two triangular cut diamonds set in a 14K gold t

Star sapphire, diamond and platinum ring Centering one oval star sapphire weighing approximately 22.75 cts., accented by two tapered baguette cut diamonds weighing a total of approximately 0.48 ct., a

Oval star sapphire, 31 cts. by formula, with baguette and single cut diamond strapped shoulders, melee approx. .45 ct. TW, ca. 1935. Size 8 3/4. 8.5 dwt.

Ladies vintage diamond and star sapphire ring. Features an oval blue star sapphire cabochon with three round cut and prong set diamonds set around the 9mm x 7.5mm x 7.25mm cabochon. Size 6. Weighs 4.7

14 karat white gold ring with oval cabochon cut grey star sapphire and flanked by four diamonds. Ring size 9. Marked 14K. Stone measures 9 x8mm. Weight: 5.7 grams.

Estate Platinum Sapphire & Diamond Ring. Set with an oval cut sapphire of approximately 2.5 carats as well as baguettes of approximately .25 total carat weight. Ring size 6.75can be resized.

TIFFANY & CO.: A PLATINUM, STAR SAPPHIRE AND DIAMOND RING Centering an oval star sapphire cabochon weighing approximately 16.30 carats, accented by round and trapezoid-shaped diamonds weighing approxi

This is a certified and appraised platinum yellow sapphire and diamond ring. The 2.77 carat oval-cut yellow sapphire is surrounded by a halo and shoulders of .66 carats of round, brilliant-cut G-H, SI

Ladies platinum sapphire and diamond ring featuring a prong set oval cut very slightly grayish violetish blue sapphire weighing approx. 2.31ct.. accented with a stylized double halo of prong set bague

Platinum, Sapphire, and Diamond Ring

Platinum, Sapphire, and Diamond Ringcentering on an oval cut sapphire (8.58 x 6.88 x 4.70 mm) weighing approximately 2.24 carats, the lattice design mount set with full cut round diamonds weighing app

PLATINUM, SAPPHIRE AND DIAMOND RING (NO RESERVE*) Approx. 5.18 total dwt. (* To be sold with no reserve above starting bid). An approx. 2.06 carat oval-cut sapphire, approx. 8.68 x 7.93 x 3.75mm, surr

Platinum, Star Sapphire, and Diamond Ringthe round cabochon star sapphire (13.62 x 12.16 x 7.20 mm) weighing approximately 12.83 carats prong set within a halo set with full cut round diamonds weighin

Platinum, Sapphire, and Diamond Ringcentering on an oval cut sapphire (7.9 x 6.3 x 3.75 mm) weighing approximately 1.46 total carats, and with channel set princess cut diamonds weighing approximately

Sapphire, Diamond, Platinum Ring. Centering one oval-cut sapphire, weighing approximately 1.39 ct., accented by twenty-two marquise-cut diamonds weighing a total of approximately 2.35 cttw., set in a

This is a 1950's Burmese lavender star sapphire and diamond ring.  The ring is centrally set with an oval cabochon cut star sapphire that weighs 8.13cts.  It exhibits a nice 3 ray star flanked with

The ring features, oval cushion mixed cut natural sapphire weighing approximately 3.88ct. with 320 round brilliant cut natural diamonds weighing approximately 5.75ct mounted in a platinum and 18k sett

Lady's platinum and diamond ring consisting of 1 oval mixed cut blue sapphire measuring 12.2x9.5x4.9mm weighing 4.95cts (stamped) and 2 straight baguette cut diamonds with a total weight of 0.48cts (s

Vintage 18K Gold and Platinum 1940’s Sapphire and Diamond Ring The Melissa ring is a vintage piece handmade during the 1940’s. It centers one oval cut natural sapphire that weighs 3ctw app

A Platinum, Sapphire and Diamond Ring, containing four oval mixed cut sapphires weighing approximately 1.68 carats total and 16 round brilliant cut diamonds weighing approximately 0.80 carat total. 4.

DESCRIPTION: Platinum (stamped PT900) setting with center purple star sapphire cabochon, approximately 4.2 carats (9.7mm x 8.6mm x 4.7mm) surrounded by ten round brilliant cut diamonds and eight chann