A FINE BURMA NO HEAT SAPPHIRE AND DIAMOND RING set with a sugarloaf cabochon sapphire of 2.44

A FINE BURMA NO HEAT SAPPHIRE AND DIAMOND RING set with a sugarloaf cabochon sapphire of 2.44 carats, between two baguette cut diamonds of 0.54 and 0.52 carats, accented by a border of single cut diam

A BURMA NO HEAT CABOCHON SAPPHIRE AND DIAMOND CLUSTER RING, set with an oval cabochon sapphire of 16.06 carats surrounded by round cut diamonds, size O / 7, 19.2g. Accompanied by a gemmological report

A BURMA NO HEAT SAPPHIRE AND DIAMOND CLUSTER RING in platinum, set with an oval cabochon sapphire of 7.44 carats in a double border of old cut diamonds, the diamonds all totalling 1.4-1.5 carats, full

A BURMA NO HEAT SAPPHIRE AND DIAMOND RING set with a cushion cut blue sapphire of 4.18 carats, within a graduated border of old cut and round cut diamonds, no assay marks, size N / 6.75, 4.0g. Accompa

A BURMA NO HEAT SAPPHIRE AND DIAMOND RING set with a cushion cut sapphire of 4.40 carats within a cluster of round cut diamonds, no assay marks, size M / 6, 6.3g. Accompanied by two gemmological repor

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,

Beautiful fine retro ring, apparently from 1940s, made of 18K Yellow Gold (marked), with a front designed as an oval plate, its center set with an oval Cabochon Cut Sapphire weighing approximately 1.2

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

The ring is set with a fine cabochon sapphire in the center weighing 1.50 cts accompanied by 2 round ball cut diamonds weighing .30cts ring weighs 9.2 gr

Certified. RBC diamonds .61 cts TW. 18K. "Siera" mounting. 5.3 dwts. Size 6-3/4. Includes certification papers.

AN UNHEATED SAPPHIRE AND DIAMOND RING set with a cabochon sapphire of 11.91 carats, the shoulders accented by old mine cut diamonds, no assay marks, size H / 4, 4.8g. Accompanied by a gemmological rep

Art Deco Sapphire and platinum ring Set with a sugarloaf cabochon sapphire weighing approx. 5.50 cts by measurement; 1930s Platinum Ring size 5.75; Gross weight 2.5 dwts This work will

Helen Woodhull Sapphire, diamond, and gold ring Set with a cabochon sapphire, flanked by round brilliant-cut diamonds, in a ribbed gold setting; c. 1977 Yellow gold Signed H. Woodhull Ring size 5.75

Beautiful Burma blue. In a hand crafted platinum ring with carre cut sapphires and diamonds. AGL certificate states the sapphire is of Burma origin with no indications of heating or other treatment. R

A CEYLON NO HEAT SAPPHIRE AND DIAMOND RING set with a cushion cut blue sapphire of 6.12 carats, within a border of single cut diamonds, no assay marks, size N / 6.75, 5.4g. Accompanied by a gemmologic

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.

LAVENDER STAR SAPPHIRE AND DIAMOND RING set with a cabochon lavender star sapphire, with round cut diamonds to the shank, stamped 14K, size N / 6.5, 15.2g.

14K TRIPLE SAPPHIRE CABOCHON & DIAMOND RING bezel set with 3 oval cabochon sapphires, largest stone approx. 8x6mm, accented with 10 round diamonds approx. 0.15 carat, in yellow gold, tests 14K, size 7

Art Deco 13.85 ct Grey Sapphire Cabochon & Diamond Ring set in 14k white gold (stamped on shank). Gross weight of 11.9 grams. Size 7.5. Property from a Park Slope Estate

Pink sapphire, diamond, and platinum ring Set with a cabochon purplish-pink sapphire and single-cut diamonds Platinum Ring size 5.50; Gross weight 3.2 dwts

18K STAR SAPPHIRE & DIAMOND DINNER RING set with an oval cabochon cut star sapphire approx. 11.27x8.17mm / 7.07 carats (According to Estate Appraisal: Natural, VS, Type 2, blue, medium color intensity

BLACK STAR SAPPHIRE AND DIAMOND CLUSTER RING Set with a black cabochon star sapphire within an old brilliant-cut diamond surround, ring size approx. P For further information on this lot please visit

NO RESERVE - A BURMA NO HEAT RUBY AND DIAMOND CLUSTER RING set with a round cabochon ruby of 7.26 carats in a border of marquise cut diamonds totalling 0.8-1.0 carats, stamped 7.26, size M / 6, 8.3g.

A CEYLON NO HEAT SAPPHIRE AND DIAMOND DRESS RING set with a cushion cut blue sapphire of 4.10 carats, within a rectangular border set with old cut and baguette cut diamonds, the diamonds all totalling