A GREEN TOURMALINE AND DIAMOND COCKTAIL RING set with an octagonal step cut green tourmaline of

A Bicolor Gold, Green Tourmaline, and Diamond Ring, containing one octagonal step cut green tourmaline measuring approximately 13.68 x 9.86 mm and 20 round brilliant cut diamonds weighing approximatel

A FINE ART DECO GREEN TOURMALINE AND DIAMOND BROOCH / PENDANT in platinum, set with an octagonal step cut green tourmaline of 13.50 carats within two concentric octagonal borders of round cut diamonds

A VINTAGE GREEN TOURMALINE AND DIAMOND DRESS RING in 18ct yellow gold, set with a step cut green tourmaline of 2.11 carats, between round brilliant cut diamonds, stamped 18K, size O / 7.25, 3.8g.

A GREEN TOURMALINE AND DIAMOND PENDANT NECKLACE in 18ct white gold, the pendant set with an octagonal step cut green tourmaline of approximately 5.77 carats accented by three single cut diamonds, susp

A Bicolor Gold, Amethyst, Green Tourmaline and Diamond Ring, containing one octagonal step cut amethyst measuring approximately 6.20 x 4.04 x 3.59 mm, two pear shape mixed cut green tourmaline measuri

One lady's 14kt gold green tourmaline & diamond ring. The ring features one (1), four prong set, 4.15ct emerald step cut green tourmaline set in the center accented by a total of 0.28 cts/tw of tapere

A PAIR OF GREEN AND PINK TOURMALINE AND DIAMOND EARRINGS in 14ct yellow gold, each set with two octagonal step cut green tourmalines, an octagonal step cut pink tourmaline and two princess cut diamond

18K white gold with a center step cut green tourmaline, approx. 7.8mm square, flanked by 12 single cut diamond accents, ring size 7, 2.8 dwt

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.

PAIR OF GREEN TOURMALINE AND DIAMOND EARRINGS each set with an octagonal cut green tourmaline in a border of rose cut diamonds, unmarked, 1.0cm, 4.3g.

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

18K yellow gold setting containing a rectangular step cut green tourmaline, approx. 17.7 mm x 9.5 mm x 8 mm flanked by 10 full cut diamond accents, ring size 9, 10.42 dwt

14kt gold split shank emerald shape green tourmaline & diamond ring. The ring features one (1), four prong set, emerald cut green tourmaline in the center surrounded by round brilliant cut diamonds. T

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.

Ladies 18kt yellow gold tourmaline and diamond ring featuring a channel set oval cut green tourmaline weighing approx. 2.95ct. and mounted in a the center of a bypass design. Accented with bezel set r

Genuine Tourmaline and Earth-Mined Diamond Earrings. These 14 karat yellow gold earrings feature a total of 3.24 carats octagonal-cut, prong-set green tourmaline along with .32 carats of round, brilli

This is a stamped and electronically tested 10 karat white gold green tourmaline and natural diamond ring. The approximate 1.2 carat oval-cut green tourmaline is prong-set into a ring with natural bag

A PAIR OF DIAMOND AND TOURMALINE DROP EARRINGS in 18ct white gold, each comprising a row of round brilliant cut diamonds suspending an octagonal step cut green and pink tourmaline respectively, stampe

5.50ct Near Flawless Emerald-Cut Green Tourmaline, 0.35ctw VS1-VS2/G-H Diamond & Solid Platinum Cocktail Ring - This stunning ring was finely crafted of solid platinum, and boasts a magnificent 5.50ct

Containing one rectangular faceted green tourmaline, weight by formula appx. 6.50ct, flanked on either side by three small round prong set diamonds, total diamond carat weight appx. .18ct, ring size 5

18K yellow gold ring featuring very fine half moon shape pink tourmaline bezel set next to a very fine half moon shape green tourmaline, with full cut diamonds bead set down center of shank, inside sh

c. 1960s, 14K yellow gold ring featuring four oval cut green tourmaline and six accent diamonds prong set in a freeform Brutalist design, sz. 6.5, 12.1 grams

14K yellow and white gold ring featuring an emerald cut green tourmaline measuring 7.9 x 9. 2mm, weighing approx. 3.50 carats, claw prong set and flanked by two round diamonds weighing approx. 0.25ctw

Containing one step cut green tourmaline measuring 8.1mm x 7.5mm x 5.2mm, with one round brilliant cut diamond weighing approximately 0.14 carat. Marked BMW 18k. Size 5.75. 7.4 dwt.