A PERIDOT AND DIAMOND RING in platinum, set with an octagonal step cut peridot of approximately 2.33

NO RESERVE - A PERIDOT AND DIAMOND BAR BROOCH, EARLY 20TH CENTURY, Made in 18 carat white gold and platinum, Octagonal step cut peridot, weighing approximately 3.71 carats, Single cut diamonds, Stampe

AN EMERALD AND DIAMOND CLUSTER RING in yellow gold and platinum, set with an octagonal step cut emerald of approximately 2.95 carats in a cluster of single cut diamonds, stamped PLAT, size Q / 8.25, 4

AN AQUAMARINE AND DIAMOND RING in platinum, set with an octagonal step cut aquamarine accented by round brilliant cut diamonds, stamped PLAT, size N / 6.75, 4.2g. 

A YELLOW SAPPHIRE AND DIAMOND RING in platinum, set with an octagonal mixed cut of approximately 4.00 carats, the stepped shoulders set with round brilliant cut diamonds, stamped PLAT, size O / 7, 4.4

NO RESERVE - AN ART DECO AQUAMARINE AND DIAMOND DRESS RING, Made in platinum, Octagonal step cut aquamarine, weighing approximately 3.62 carats, Single cut diamonds, Stamped Pl and numbered 4902, Size

Ladies 14k white gold, peridot and diamond ring with central, natural, prong set, oval cut peridot (measuring approximately 9.94 x 8.1 x 5.0mm, approximately 2.82 carats total weight, color: medium li

AN EMERALD AND DIAMOND RING in 18ct yellow gold, set with an octagonal step cut emerald of approximately 1.03 in a border of round brilliant cut diamonds, full British hallmarks, size Q / 8.25, 3.6g.

AN EMERALD AND DIAMOND RING in platinum, set with an octagonal cut emerald in a border of single cut diamonds and step cut emeralds, stamped PLAT, size N / 6, 7.4g.

AN EMERALD AND DIAMOND RING in platinum, set with an octagonal cut emerald accented by old European cut and single cut diamonds and step cut emeralds, stamped PLAT, size O / 7, 6.6g.

Platinum, Emerald and Diamond Ring , center prong set octagonal step cut emerald, wt. approx. 2.63 cts., 9.3 x 7 x 5.3 mm; double halo and shoulders with 124 round brilliant cut diamonds, total wt. ap

Platinum, Emerald and Diamond Ring , center prong set octagonal step cut emerald, approx. 2.33 cts., 8.70 x 6.44 mm; double halo bezel and shoulder with 72 round brilliant cut diamonds, total wt. appr

AN EMERALD AND DIAMOND THREE STONE RING in 18ct yellow gold, set with an octagonal step cut emerald of approximately 1.46 carats, between two round cut diamonds, British hallmarks, size N / 6.5, 4.8g.

A Yellow Gold, Platinum, Aquamarine, and Diamond Ring, containing one octagonal step cut aquamarine measuring approximately 18.60 x 14.37 x 9.29 mm, 20 old European and old mine cut diamonds weighing

A Platinum, Aquamarine and Diamond Ring, containing one octagonal step cut aquamarine measuring approximately 19.92 x 14.49 x 10.85 mm and ten round single cut diamonds weighing approximately 0.15 car

A Platinum, Aquamarine and Diamond Ring, containing one oval mixed cut aquamarine measuring approximately 12.18 x 9.53 x 5.78 mm and two octagonal step cut diamonds weighing approximately 0.90 carat t

View a video of this lot: Click HereCrafted in platinum; set with a square step-cut amethyst, weighing approximately 20.00 carats; accented by round brilliant-cut diamonds, weighing a

A Platinum, Amethyst and Diamond Ring, H. Stern, containing one octagonal step cut amethyst measuring approximately 14.04 x 10.24 x 6.78 mm, four round brilliant cut diamonds weighing approximately 0.

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

A Burmese ruby and diamond ringPlatinum and 18k yellow gold; Stamped: PT950 / 750 / Tiffany & Co.Centering an octagonal step-cut ruby gauged at 5.58mm x 5.50mm x 3.30mm weighing approximately 1.10cts.

A Platinum and Diamond Ring, containing one octagonal step cut diamond weighing 3.60 carats and four baguette cut diamonds weighing approximately 1.00 carat total. Accompanied by a Gemological Institu

A Platinum and Diamond Ring, containing one octagonal step cut diamond weighing 5.02 carats and two baguette cut diamonds weighing approximately 0.50 carat total. Stamp: PLATINUM. Accompanied by a Gem

AN ART DECO SAPPHIRE AND DIAMOND DRESS RING in platinum, set with an old cut diamond of approximately 1.50 carats in a double border of step cut sapphires and old cut diamonds, the band accented by fu

7.85ct Peridot, 0.30ctw Diamond and Solid Platinum Ring - This beautiful ring was finely crafted of solid platinum and boasts an approximately 7.85ct oval cut peridot. The shoulders of the band are th

A Peridot & Diamond Ring. 14 karat two tone mounting contains one square cut peridot which is approximately 3.75 carats. Surrounding the peridot are 48 pave set white diamonds in white gold, and 58 pa