A YELLOW SAPPHIRE AND DIAMOND RING in platinum, set with an octagonal mixed cut of approximately

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

A Platinum, Sapphire and Diamond Ring, containing one octagonal mixed cut sapphire measuring approximately 9.92 x 9.67 x 3.70 mm and 16 round brilliant cut diamonds weighing approximately 0.40 carat t

Center 4-prong set with one cushion shape mixed cut sapphire, approximately 5.02 carats surrounded by 58 prong or pave’ set Round Brilliant and full cut round diamonds [F-H/VS], approximate tot

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

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

SYNTHETIC SAPPHIRE AND DIAMOND RING Containing one octagonal mixed cut synthetic sapphire measuring approximately 14.85 x 11.75 x 6.30 mm and 24 single cut diamonds. Mounted in platinum. Ring size 8.

A Platinum, Yellow Gold, Peridot, Pink Sapphire and Diamond Ring, containing one round mixed cut peridot measuring approximately 7.85 mm in diameter, 14 round brilliant cut pink sapphires measuring ap

An early to mid 20th century yellow metal, diamond, and pink sapphire ring, set with a mixed marquise-cut sapphire within a border of round-cut diamonds, ring cluster approximately 11 x 8 mm, indistin

Platinum, Gold, Yellow Sapphire, and Diamond Ring, Francebezel set with one round cut yellow sapphire (9.63 x 8.6 x 6.2mm) weighing approximately 3.98 carats and with a conforming surround of (18) bea

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

centered with round brilliant cut yellow sapphire weighing approximately 2.35 carats bezel set in yellow gold and with a textured platinum tapered shank accented to the top and bottom with (52) bead s

A Pair of Vintage Yellow Gold, Platinum, Citrine, Ruby, Diamond and Sapphire Earclips, containing two octagonal step cut topaz measuring approximately 13.75 x 11.87 mm, 25 round mixed cut rubies measu

A Yellow Gold, Platinum, Diamond and Synthetic Sapphire Toi et Moi Ring, containing one old European cut round diamond weighing approximately 1.35 carats and one round mixed cut synthetic sapphire mea

A Yellow Sapphire Ring. Platinum mounting contains an octagonal mixed cut natural yellow sapphire. Sapphire is accompanied by AGL certificate GB 1087253 stating the stone is 5.31 carats, pale yellow i

14 kt. White Gold, Yellow Sapphire and Diamond Ring , center prong set octagonal step cut yellow sapphire, wt. 1.39 cts., 6.35 x 4.97 x 4.25 mm; double halo and support with 66 square and round brilli

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

A YELLOW SAPPHIRE AND DIAMOND RING in platinum, set with an emerald cut yellow sapphire of 2.96 carats between trios of round cut diamonds, with further step cut diamonds either side, French assay mar

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

ELIZABETH LOCKE, YELLOW GOLD, SAPPHIRE AND DIAMOND RING Containing one cushion mixed cut sapphire measuring approximately 6.70 x 6.70 x 4.00 mm and two round brilliant cut diamonds weighing approximat

An 18 Karat White Gold, Sapphire and Diamond Ring, Kurt Wayne, containing one octagonal mixed cut sapphire weighing approximately 3.15 carats and six round brilliant cut diamonds weighing approximatel

YELLOW SAPPHIRE AND DIAMOND RING Containing one round mixed cut yellow sapphire measuring approximately 7.55 x 7.55 x 5.75 mm and 36 round brilliant cut diamonds weighing approximately 0.50 carat tota

An Edwardian 18 Karat Yellow Gold, Sapphire and Diamond Ring, containing three round mixed cut sapphires measuring approximately 4.00 mm in diameter and two round old European cut diamonds measuring a

A SAPPHIRE AND DIAMOND DRESS RING in platinum, set with an emerald cut diamond of approximately 0.40 carats, accented by French cut sapphires and round brilliant cut diamonds, further round brilliant