AN AMETHYST AND DIAMOND DRESS RING set with an octagonal step cut amethyst of 19.14 carats in a

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

AMETHYST AND DIAMOND DRESS RING Set with an oval-cut amethyst, between baguette-cut diamond shoulders, ring size approx. L

AN AQUAMARINE AND DIAMOND RING set with an octagonal step cut aquamarine of 10.60 carats, accented by trios of round brilliant cut diamonds, no assay marks, size L1/2 / 6, 5.1g.

A SAPPHIRE AND DIAMOND RING set with an octagonal step cut sapphire of 0.62 carats accented on each side by a round brilliant cut diamond, no assay marks, size O / 7, 2.3g.

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.

Men's 14kt yellow gold amethyst and diamond ring featuring a bezel set rectangular step cut amethyst weighing approx. 1.17ct.. Surrounded by a frame of channel set round brilliant cut diamonds weighin

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

Ladies 14kt yellow gold amethyst and diamond ring featuring a prong set rectangular step cut amethyst weighing approx. 0.68ct.. Accented with prong set round single cut diamonds weighing approx. 0.15c

NO RESERVE - AN AMETHYST AND DIAMOND DRESS RING in platinum, set with an oval cut amethyst accented by four round brilliant cut diamonds, stamped PT900, size L1/2 / 6, 4.7g.

NO RESERVE - AN AMETHYST RING in 18ct rose gold, set with an octagonal cut amethyst of 1.45 carats, stamped Au 750, size N 1/2 / 6.75, 2.3g

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

AN ANTIQUE AMETHYST AND DIAMOND BROOCH in yellow gold and silver, set with an octagonal step cut amethyst in a foliate border set with old cut diamonds, no assay marks, 3.1cm, 6.7g.

AN AMETHYST AND DIAMOND DRESS RING in yellow gold and white gold, set with an oval cut amethyst between stepped shoulders set with round cut diamonds, no assay marks, size N1/2 / 7, 4.0g.

A TOPAZ AND AMETHYST DRESS RING in 18ct yellow gold, the oval cut topaz set between fancy shaped step cut amethysts, French marks, size M / 6.25, 5.7g.

14kt yellow gold ring bezel set with one rectangular step cut amethyst. Channel set with round brilliant diamond accents. Stamped 14k inside shank. Ring size 7. Total weight 6.3g.

AN EMERALD AND DIAMOND PLAQUE RING the geometric face set with an octagonal step cut emerald of 0.56 carats, accented by round brilliant cut diamonds all totalling 1.6-1.8 carats, no assay marks, size

A PAIR OF TOURMALINE AND AMETHYST DRESS RINGS in 18ct yellow gold, each set with a row of five step cut amethysts and tourmalines, stamped 750, size O / 7, 9.1g.

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.

Gold, Amethyst, and Diamond Ringthe prong set oval cut amethyst (15.85 x 12 x 8 mm) weighing approximately 7.60 carats and the shaped and scrolled surround and shoulders set with single cut round diam

NO RESERVE - AN ASSORTED LOT OF RINGS comprising a vintage pearl three stone ring, an amethyst solitaire ring set with an oval cut amethyst of 23.60 carats and an amethyst and diamond ring set with th

Amethyst and Diamond Ring 18k yellow gold, the ring mounted with a cushion step-cut amethyst weighing approximately 10.00 carats, accented by round brilliant-cut diamonds weighing approximately 0.18 c

AN AQUAMARINE AND DIAMOND THREE STONE RING in 18ct white gold, set with an octagonal step cut aquamarine of 4.30 carats between two round brilliant cut diamonds both totalling 0.9-1.0 carats, full Bri

AN EMERALD AND DIAMOND THREE STONE RING in 18ct white gold, set with an octagonal step cut emerald of 4.46 carats between two trilliant cut diamonds both totalling 0.65 carats, stamped 18K, size N / 6

Gold, Amethyst, and Diamond Ring, Talentobezel set with three round checkerboard cut amethysts weighing approximately 10.40 total carats and each with a semi-circle of bead set full cut round diamonds