A TANZANITE, PINK TOURMALINE AND DIAMOND DRESS RING set with a cushion shaped tanzanite of 11.28

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

A PINK TOURMALINE AND DIAMOND DRESS RING in platinum, set with an oval-shaped fancy cut pink tourmaline of 13.95 carats, the trefoil shoulders and shank accented with round cut diamonds, no assay mark

Crafted in 18K gold; set with a cushion-shaped tanzanite, weighing approximately 8.20 carats; flanked by two half-moon shaped diamonds, weighing a total of approximately 1.00 carat, with I-J color and

Crafted in 18K yellow and white gold; set with a cushion-shaped tanzanite, weighing approximately 5.25 carats; surrounded by round brilliant-cut diamonds, weighing a total of approximately 0.50 carat,

A TANZANITE AND DIAMOND DRESS RING in 18ct yellow gold, the tapering band set with a cushion cut tanzanite of 1.09 carats, between shoulders set with round cut diamonds, stamped 18K, size P / 7.5, 4.6

A MULTIGEM DRESS RING in yellow gold, set with variously cut amethyst, citrine, pink tourmaline, smokey quartz, aquamarine, tanzanite, prasiolite and peridot, accented by round brilliant cut diamonds,

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

A DIAMOND DRESS RING The circular plaque set with old cushion-shaped diamonds throughout, to a gallery of foliate and scrolling detailing, mounted in gold, diamonds approximately 1.40ct total, ring si

A PINK TOURMALINE AND DIAMOND DRESS RING in 9ct yellow gold, set with a central faceted red stone with two round cut diamonds to the trifurcated band, British hallmarks, size O / 7, 3.63g.

Tanzanite, Diamond, Gold Ring Stones: Cushion-shaped tanzanite weighing approximately 18.55 carats; full-cut diamonds weighing a total of approximately 2.60 carats

Ladies 14kt white gold tanzanite and diamond ring featuring a prong set pear shaped tanzanite weighing approx. 3.66ct.. Surrounded by a halo of round and baguette cut diamonds weighing approx. 0.38ct.

Tanzanite, diamond, and gold ring Set with a cushion-cut tanzanite weighing approx. 4.65 cts TW by measurement and round brilliant-cut diamonds 18k yellow gold Signed with maker's mark for Knox & Co.,

Ladies 18kt white gold tanzanite and diamond ring featuring a prong set cushion cut tanzanite weighing approx. 1.07ct.. Accented with a square halo of prong set round single cut diamonds weighing appr

A Tanzanite and diamond cluster ring claw-set with a cushion-cut Tanzanite, in a border of round brilliant-cut diamonds, to a plain band, stamped 18k 750(Ring size: R/S)

A 14ct yellow gold Tanzanite and diamond dress ring. Features one 6.43ct cushion cut Tanzanite and twelve round brilliant cut diamonds at 0.14ct total diamond weight in J-L colour with SI-1 - P-1 clar

A tanzanite, diamond and opal tablet ringset with a cushion-cut tanzanite, measuring approximately 10.00 x 9.20 x 7.25 mm, numerous round brilliant-cut diamonds, and twelve opal tablets, in fourteen k

AN 18K GOLD, TANZANITE, AND DIAMOND RING The bypass ring set with a pear-shaped tanzanite measuring approximately 7.60 x 5.50 x 4.00 mm, and full-cut diamonds, approximate total diamond weight 1.00 ca

Platinum, 18 karat pink gold, ruby and diamond ring, set in the center with a cushion-shaped ruby weighing 2.56 carats, framed and flanked by 34 round diamonds weighing approximately 1.05 carats, acce

TANZANITE AND DIAMOND CLUSTER RING The cushion-shaped tanzanite, weighing 6.40 carats, within a surround of brilliant-cut diamonds, diamonds approx. 1.40cts total, ring size approx. N Footnotes: Pleas

14kt white gold cocktail ring displaying a central prong-set pear-shaped Tanzanite surrounded by (16) round full cut diamonds. Tanzanite measures approx. 10.0mm x 6.5mm; diamonds measure approx. 2.0mm

DIAMOND AND RUBY DRESS RING, 1860 The navette-shaped plaque set with cushion and pear-shaped diamonds and a circular-cut ruby, mounted in 18 carat gold and silver, diamonds approx. 4.20cts total, make

This is a certified and appraised genuine tanzanite and natural diamond ring set in platinum.  The 4.18 carat cushion-cut tanzanite is prong-set with 1.11 carats of round, brilliant-cut and bague

This is a certified and appraised genuine tanzanite and natural diamond ring set in platinum.  The 2.56 carat cushion-cut tanzanite is prong-set over a three-row diamond ring that has .54 carats

Ladies 14kt white gold tanzanite and diamond ring featuring a prong set rectangular cushion cut strong violetish blue tanzanite weighing approx. 3.95ct.. Accented with a halo and split shank design of