TANZANITE AND DIAMOND RING set with a round brilliant

14K white gold bright polish ring featuring a prong set rectangular cushion mixed cut tanzanite, weighing 2.51 ct, 26 prong set round brilliant cut diamonds weighing 0.24 ctw, color G-I, clarity I1 to

14K yellow gold ring, brightly polished, featuring a centered prong set pear shape brilliant tanzanite, weighing approx. 0.75 carat, shoulders decorated with 12 channel set round brilliant cut diamond

14K yellow gold ring, brightly polished, featuring a bezel set tanzanite brilliant cut, weighing approx. 0.50 carat, further adorned with with 5 channel set round brilliant cut diamonds, weighing a to

14 kt. White Gold, Tanzanite and Diamond Ring, center prong-set oval mixed-cut tanzanite, wt. 6.34 cts., 14.00 x 10.00 x 6.63 mm; double bezel with 38 prong set round brilliant cut diamonds, total wt.

A TANZANITE AND DIAMOND RING Centering a rectangular-cut tanzanite, flanked by tapered-baguette-cut diamonds and further accented by gallery-set round brilliant-cut diamonds; signed UCG; estimated tan

A TANZANITE AND DIAMOND RING The oval-shaped buff-top mixed-cut tanzanite, flush set and accented with pave-set round brilliant-cut diamonds, weighing an estimated 2.50 carats, engraved 'RH, 10/3/44',

Ladies 18kt white gold tanzanite and diamond ring featuring a prong set oval cut tanzanite weighing approx. 3.89ct.. Mounted between two rows of prong set round brilliant cut diamonds weighing approx.

Ladies 14kt white gold tanzanite and diamond ring featuring a prong set oval cut tanzanite weighing approx. 9.88ct.. Accented with shoulders of prong set round brilliant cut diamonds weighing approx.

14KT White Gold, Tanzanite, and Diamond Ringa wide, tapered band centered on a bezel set, oval tanzanite weighing approximately 1.95 carats with bead set, round brilliant cut diamonds on either side a

Ladies 14kt white gold tanzanite and diamond ring featuring a prong set trillion cut violetish blue tanzanite weighing approx. 1.50ct.. Accented with prong set round brilliant cut diamonds weighing ap

Ladies 14kt white gold tanzanite and diamond ring featuring prong set marquise cut tanzanites weighing approx. 0.80ct. Accented with prong set round brilliant cut diamonds weighing approx. 0.18ct. Fin

Le Vian Tanzanite, diamond, and gold ring Set with a triangular-cut tanzanite and round brilliant-cut diamonds 18k yellow gold Signed Le Vian Ring size 6.50; Gross weight 5.5 dwts

Sterling Silver, Tanzanite and Diamond Ring, set with 5 oval faceted cut tanzanites, total wt. approx. 0.90 ct.; accented by 5 round brilliant cut diamonds, total wt. approx. 0.21 ct.; size 6.75; GGA

This lot contains two 14kt gold fashion rings. One ring features fifteen (15), prong set, round brilliant cut diamonds set in white gold heads, approx. 2.25 - 2.30 mm, approx. 0.75 cts/tw, SI1 - SI2 c

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

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.,

Platinum Tanzanite and Diamond Ring having tanzanite center stone weighing 6.28 carats with GIA report # 6203917870; measurements 11.88 X 12.10 X 7.16 mm; set with 31 round brilliant cut diamonds, 0.7

133064 4.41CT TANZANITE 1.51CTW DIAMOND PLATINUM RING A platinum ring set with a 1.51ct round brilliant cut diamond and a 4.41ct oval cut tanzanite in a prong setting. Includes appraisal.Stone Type: T

18 kt. White Gold, Tanzanite and Diamond Ring, center bezel set emerald cut tanzanite, wt. approx. 3.85 cts.; bezel with numerous round brilliant cut diamonds, total wt. approx. 0.75 ct., G-H color, V

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)

VINTAGE 18K GOLD, TANZANITE, AND DIAMOND LADY'S RING, tested, set with a heart-shape tanzanite flanked by an approximately .10 ct round brilliant-cut diamond on each side. Total ring weight: 8.5 grams

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

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 TANZANITE AND DIAMOND CLUSTER RING in platinum, set with an emerald cut tanzanite of 2.85 carats, in a border of round brilliant cut diamonds totalling 1.0-1.2 carats, stamped 950, size M / 6, 8.2g.