A WATERMELON TOURMALINE AND DIAMOND RING set with a cushion cut watermelon tourmaline of 2.07 carats

A WATERMELON TOURMALINE AND DIAMOND CLUSTER RING set with a fancy cut watermelon tourmaline, in a border of round brilliant cut diamonds, the diamonds all totalling 1.2-1.3 carats, no assay marks, siz

A GREEN TOURMALINE AND DIAMOND RING set with a cushion cut green tourmaline of 13.47 carats, the stepped shoulders set with round cut diamonds, no assay marks, size O / 7, 7.9g.

A TOURMALINE AND DIAMOND RING set with a cushion cut green tourmaline of 13.20 carats between trios of round cut diamonds, unmarked, size M / 6, 8.3g.

Watermelon Tourmaline and Diamond Ring 14k yellow gold, the ring mounted with an emerald-cut watermelon tourmaline weighing approximately 3.38 carats, accented by round brilliant-cut diamonds weighing

A CHROME TOURMALINE AND DIAMOND RING in 18ct yellow gold, set with a cushion cut chrome green tourmaline of 12.76 carats in a stylised border of round brilliant cut diamonds, partial British hallmarks

A FINE ANTIQUE PINK TOURMALINE AND DIAMOND RING, 19TH CENTURY in yellow gold and silver, set with a cushion cut pink tourmaline of 10.50 carats within a cluster of old cut diamonds all totalling 2.5-2

A TANZANITE, PINK TOURMALINE AND DIAMOND DRESS RING set with a cushion shaped tanzanite of 11.28 carats, accented by marquise cut pink tourmalines and round brilliant cut diamonds, no assay marks, siz

Diamond Ring. Wonderful 14kt yellow gold cocktail ring displaying a central faceted Watermelon tourmaline flanked by (14) round brilliant cut diamonds set in white gold. Tourmaline measures approx. 26

TOURMALINE AND DIAMOND RING Set with a cushion-shaped tourmaline, between shoulders set with brilliant-cut diamonds, mounted in 18 carat gold, partial UK hallmark, ring size approx. N

Comprising a ring, set with a cushion-shaped Brazilian Paraiba tourmaline weighing 2.58 carats, decorated with pear and circular-cut diamonds, detachable as single hoop; and a pair of earrings en suit

10k stamped ring set with center 3 carat cushion cut peridot, accented by round green tourmalines and .10 CTW round diamonds. Size 8. 2.8 dwt. RM/EK IMPORTANT: Before bidding, please read the terms an

Crafted in 18K gold and platinum; set with a cushion-shaped tourmaline, weighing approximately 15.75 carats; accented by round brilliant-cut diamonds, weighing a total of approximately 1.75 carats, mo

COLLECTION OF DIAMOND AND GEMSTONE RINGS Consisting of watermelon tourmaline and diamond ring containing one emerald cut watermelon tourmaline measuring approximately 10.70 x 9.40 x 5.50 and two old E

A TOURMALINE AND DIAMOND RING set with an octagonal cut tourmaline of 2.97 carats in a border of old cut diamonds totalling 0.72 carats, no assay marks, size M / 6, 5.4g.

A TOURMALINE AND DIAMOND RING in 9ct white gold, set with a cushion cut tourmaline between two rose cut diamonds, stamped 375, size L / 5.5, 1.9g.

19.05ct Watermelon Tourmaline, 0.20ctw Diamond & Solid Platinum Ring - This beautiful ring was finely crafted of solid platinum and boasts an approximately 19.05ct emerald cut watermelon tourmaline. W

PGL Digital Appraisal. Retail Replacement Value $7735 Main gemstone is a cushion cut natural tourmaline. Carat Weight:4.77 14kt Gold mounting features round brilliant cut natural diamonds weighing 0.5

7.90ct Emerald-Cut Watermelon Tourmaline & Solid Platinum Ring W/0.20ctw VS2-SI1/G-H Diamond Accents - This lovely ring was finely crafted of solid platinum, and boasts a 7.90ct (approximate) genuine

A Watermelon Tourmaline Ring. 14 karat yellow gold mounting contains one prong set emerald cut watermelon tourmaline Size: 11 Wt: 10.9 grams

A PINK TOURMALINE AND DIAMOND RING in platinum, set with an oval cut pink tourmaline of 2.02 carats, with stylised shoulders set with marquise and round cut diamonds, stamped Pt900, size L1/2 / 6, 6.6

One stamped 18KT yellow gold hand assembled custom made ring with a high polish finish. Featuring one claw set round cut natural watermelon tourmaline, measuring 15.95 - 12.75 x 4.00mm. Total weight o

A RUBELLITE TOURMALINE AND DIAMOND RING set with a central pear cut rubellite tourmaline of 2.86 carats, accented by round brilliant cut diamonds to the band, stamped G14K, size N / 6.5, 2.3g.

White Gold, Green Tourmaline, and Diamond Ringcentering on a prong set oval cut green tourmaline weighing approximately .70 carat, the X-motif shoulders set with baguette and tapered baguette cut diam

14K watermelon tourmaline and diamond ring. 10.9 x 9mm cut tourmaline surrounded by tiny cut diamonds. Pierced design mount with diamonds. Marked 14K. 6.5 ring size. 6.1 grams.