A CEYLON NO HEAT YELLOW SAPPHIRE AND DIAMOND RING set with an oval mixed cut yellow sapphire of

NO RESERVE - A CEYLON NO HEAT SAPPHIRE AND DIAMOND RING in yellow gold and silver, set with an oval cabochon sapphire of 9.00 carats in a border of old cut diamonds, Austrian assay marks, size M / 6,

18K Gold 11.11 Carat Yellow Sapphire and VVS Diamond Ring. 100% natural, no heat yellow sapphire. Oval cut stone set in prong setting. Nice intense yellow color in the sapphire. Diamonds weight 0.25 C

An 18 Karat Yellow Gold, Purple-Pink Ceylon Sapphire and Diamond Ring, containing one oval mixed cut purple-pink sapphire measuring approximately 8.76 x 7.29 x 5.34 mm and 38 round brilliant cut diamo

18K Yellow Gold Sapphire and Diamond Ring. At the center of this 18K yellow gold ring is a stunning prong set, oval cut, light medium blue color, heat treated sapphire that is framed by diamonds. The

NO RESERVE - A CEYLON NO HEAT SAPPHIRE AND DIAMOND RING in yellow gold, set with a cushion cut blue sapphire of 3.49 carats accented by rose cut diamonds, on a twisted wire band, no assay marks, size

An 18ct yellow gold and sapphire ring set with a mixed oval-cut sapphire in a crossover-style mount, with diamond accents to shoulders, size P, 4.42 grams, together with a yellow metal and hematite pe

A CEYLON NO HEAT SAPPHIRE AND DIAMOND CLUSTER RING in yellow gold, set with a cushion cut sapphire of 4.79 carats in a cluster of round brilliant cut diamonds, no assay marks, size K1/2 / 5.5, 6.7g. A

AN ANTIQUE BURMA NO HEAT PINK SAPPHIRE AND DIAMOND CLUSTER RING in yellow gold and silver, set with an oval cut pink sapphire of 1.36 carats in a cluster of old cut diamonds, on a bifurcated band, no

AN ANTIQUE CEYLON NO HEAT SAPPHIRE AND DIAMOND RING in 18ct yellow gold, the navette shaped face set with a cushion cut blue sapphire of 1.18 carats, within a surround of old European brilliant cut di

GIA Certified Oval Cut No Heat Sapphire, Pave Set Round Brilliant Cut Diamond and 18 Karat Yellow Gold Ring. Sapphire with vivid color. Diamonds F-G color, VS clarity. Bears VC&A mark. Ring size 6. Ap

A FINE ART DECO CEYLON NO HEAT SAPPHIRE, DIAMOND AND PEARL NECKLACE, EARLY 20TH CENTURY in platinum and yellow gold, set throughout with nine oval cut blue sapphires all totalling approximately 16.90

View a video of this lot: Click HereCrafted in 18K white and yellow gold; set with a cushion modified mixed cut natural Ceylon unheated sapphire, weighing approximately 7.15 carats; s

A YELLOW SAPPHIRE AND DIAMOND RING set with an oval cut yellow sapphire of 2.00 carats, between two round brilliant cut diamonds totalling 0.4-0.5 carats, stamped PLAT, size O / 7, 4.2g.

YELLOW SAPPHIRE AND DIAMOND RING set with five oval cut yellow sapphires in a border of round cut diamonds, stamped 375, size M / 6, 2.3g.

A CEYLON NO HEAT SAPPHIRE AND DIAMOND RING set with an oval cut sapphire of 4.90 carats accented by round brilliant cut diamonds to the band, stamped 750, size M / 6, 6.0g.

Gold and Yellow Sapphire Ringring prong set with an oval modified mixed cut yellow sapphire (16.80 x 12.78 x 7.07 mm) weighing approximately 11.80 carats, stamped 14K. With AGL Report stating Natural

A CEYLON NO HEAT SAPPHIRE AND DIAMOND CLUSTER RING set with an oval cut blue sapphire of 3.39 carats in a cluster of round brilliant cut diamonds, no assay marks, size M / 6, 4.5g. Accompanied by a ge

A YELLOW SAPPHIRE AND DIAMOND CLUSTER RING in platinum, set with an oval cut yellow sapphire of 2.50 carats in a cluster of round brilliant cut diamonds, further diamonds accenting the shoulders all t

EMERALD, YELLOW SAPPHIRE AND DIAMOND RING Containing one oval mixed cut emerald measuring approximately 9.50 x 7.30 x 4.40, two oval mixed cut yellow sapphires and 20 round brilliant cut diamonds weig

A Yellow Sapphire & Diamond Ring. 18 karat yellow and white gold mounting contains one prong set oval modified brilliant cut yellow sapphire. The sapphire is accompanied by GIA report number 620777811

the foliate motif mount centering on one fancy prong set oval brilliant cut Ceylon yellow sapphire weighing approximately 19.07 carats within a conforming diamond set surround of (22) round brilliant

Bi-Color 18KT Gold, Yellow Sapphire, and Diamond Cocktail Ring, Buccellaticirca 1970s, the gold mount with finely textured detailing centering on a a prong set oval cut yellow sapphire (14.94 x 10.96

18kt White Gold ring set with 2.43ct Oval cut Yellow Sapphire in central position flanked by 1.25cts twt. of Round Brilliant and Baguette cut Diamonds on the band. Marked 750, MKD025. Ring size 6 3/4.

A Platinum, Yellow Gold, Sapphire and Diamond Ring, containing one oval mixed cut sapphire measuring approximately 8.90 x 6.89 x 3.65 mm and 20 tapered baguette cut diamonds weighing approximately 1.0