950 platinum ring set with 3.65 carat cushion cut

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

Massive 2.50 carat cushion cut aquamarine set in platinum flanked by .30 CTTW of brilliant cut white diamonds. Marked "VC" and "Pla". Size 5.5 and weighs 11.85 grams.

AN UNHEATED RUBY AND DIAMOND RING in platinum, set with a cushion cut ruby of 2.54 carats accented by round brilliant and baguette cut diamonds, with further round brilliant cut diamonds to the band,

A RUBY AND DIAMOND THREE STONE RING in platinum, set with a cushion cut ruby of 1.05 carats accented on each side by a trapezoid cut diamond, the diamonds totalling 0.33 carats, inscribed C - 1.05ct S

AN UNHEATED RUBY AND DIAMOND RING in platinum, set with a cushion cut ruby of 1.03 carats, the marquise face set with old cut and single cut diamonds, stamped PLAT, size L / 5, 5.6g. Accompanied by a

Art Deco Diamond, Sapphire and Platinum Ring. Set in the center with an approx. .92 carat old mine cut diamond, I color, VS1 clarity. Stamped 950. Ring size 7. Approx. weight: 2.95 grams. Condition: V

Aquamarine and Diamond Ring.  The 1.81 carat cushion-cut, genuine aquamarine is prong set in a platinum ring with .56 carats of round, brilliant-cut, F color, VS2-SI1 diamonds in the halo and cro

Platinum Ring set with a center round-cut natural Peridot weighing 1.40 carats. Along with Single-cut Diamonds weighing Approx. 0.50 carats. G-H color, VS clarity. Diameter: 13 mm. Stamped: "950, 1.40

AN UNHEATED YELLOW SAPPHIRE AND DIAMOND RING in platinum, set with a cushion cut yellow sapphire of 9.43 carats accented by old cut diamonds, stamped PLAT, size O / 7, 5.9g. Accompanied by a gemmologi

Art deco handcrafted mixed-cut platinum diamond filigree eternity ring, set with 18 graduating cushion and baguette-cut diamonds; approx: 2.60 carats total weight; color: H-J, clarity: SI1. Engraved:

View a video of this lot: Click HereCrafted in 18K yellow gold and platinum; set with a 7.01-carat cushion modified brilliant-cut diamond, with W to X Range color and VVS2 clarity; fl

Superb quality diamond ring! Features an as white as it can get cushion cut diamond flanked with two rare "Cadillac" shaped diamonds all framed with a row of macropave set round brilliant cut diamonds

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.

A SAPPHIRE AND DIAMOND CLUSTER RING in platinum, set with a round cut sapphire of 2.66 carats, surrounded by a border of round brilliant cut diamonds, stamped PT 950, size N1/2 / 6.75, 5.1g.

A CEYLON NO HEAT SAPPHIRE AND DIAMOND RING in platinum and 18ct white gold, set with a cushion cut blue sapphire of 4.17 carats, within a border of round cut diamonds, the diamonds all totalling 2.2-2

AN EMERALD AND DIAMOND CLUSTER RING in 18ct yellow gold, set with a cushion cut emerald of 3.65 carats in a cluster of old cut diamonds totalling 1.8-2.0 carats, stamped 18ct, size O / 7, 7.4g.

A FANCY COLOURED DIAMOND RING in platinum, set with fancy brown, pink, yellow and white coloured round brilliant cut diamonds totalling 2.49 carats, stamped PLAT 950, size N / 6, 8.2g.

Platinum Lady's Tanzanite & Diamond ring having one cushion modified brilliant cut natural tanzanite, measuring 13.17 X 8.51 X 5.50 mm, exact weight 5.40 carats, GIA report #2175872498; and set with 8

centered with one rectangular cushion cut blue sapphire weighing .73 carat and the floral motif mount with bead and bezel set old mine cut diamonds weighing approximately .83 total carat (H-J color, S

AN ART DECO SAPPHIRE AND DIAMOND DRESS RING in 18ct yellow gold and platinum, set with a cushion cut blue sapphire of 0.93 carats, within a border of old cut diamonds, stamped Pt 18ct, size M / 6, 3.1

Set with a cushion-shaped Kashmir sapphire weighing 6.76 carats, surrounded by 8 circular-cut diamonds, diamonds weighing 6.07 carats in total, mounted in platinum, ring size 6Gübelin, 2022, report

centered with one half bezel set round brilliant cut diamond weighing 1.17 carat (actual) (G color, SI1 clarity) in a platinum mount, signed Tiffany & Co. / PT 950. Ring size 4.5 11.6 dwt. Accompanied

AN ART DECO DIAMOND DRESS RING in platinum, the geometric face set with rows of old cut diamonds, the diamonds all totalling 1.3-1.5 carats, stamped 950, size O / 7, 7.2g.