1.78ct Yellow Sapphire and 0.46ctw Diamond Platinum

18.77ct GIA Certified (No Heat) Sri Lankan Yellow Sapphire in 3.80ctw VS1-VS2/F-G Diamond & Solid Platinum Cocktail Ring From Vietnamese Royal Family (W/$52,000 Appraisal) - This stunning cocktail rin

Presenting an exquisite All Natural Yellow Sapphire enhanced by a halo of old cut diamonds. The shank is crafted in solid Platinum, with an antique sterling silver top. Featuring in the center an exce

LADY'S YELLOW SAPPHIRE & DIAMOND, PLATINUM BAND RING :Set with: 1 emerald cut natural golden sapphire, 2.80 carats. Stone dimensions 9.9 x 7.9 x 3.3 mm. 6 bullet shape step-cut diamonds, 0.52 carats.

Vintage Large Oval Light Yellow Sapphire Diamond Ring Platinum 1950

Platinum brooch, set with center approx. 8.24ct yellow sapphire (measures 12.7 x 11.89 x 6.2mm), surrounded with approx. 0.74ctw in diamonds. Brooch measures 28mm x 27mm. Tested plat. Weight - 10.3 gr

GIA 8.72 ct Unheated Ceylon Yellow Sapphire & Diamond Ring in Platinum

Exceptional GIA Unheated 7.5 Ctw Neon Yellow Sapphire & F VVS Diamond Platinum Ring

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

This is a certified and appraised platinum yellow sapphire and diamond ring. The 2.77 carat oval-cut yellow sapphire is surrounded by a halo and shoulders of .66 carats of round, brilliant-cut G-H, SI

GIA 19.89 ct Unheated Yellow Sapphire and Diamond Ring in Platinum

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 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

Diamond, Yellow Sapphire, Platinum, Gold Brooch, Schlumberger for Tiffany & Co. The brooch features a round-cut yellow sapphire weighing approximately 1.10 carats, enhanced by full-cut diamonds we

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

Vintage 14kt Yellow Gold Platinum Top Yellow Sapphire & Diamond Ring Size (7.5) reverse tapered shank ring with a rectangular cut yellow sapphire center stone (approx. 9.5mm x 7.5mm) in a bezel settin

18ct yellow gold sapphire & diamond ring set in platinum. Size O, weight 3.0g.

*Pair of David Webb Coral, Sapphire, Diamond, Platinum, 18k Yellow Gold Earrings. Each featuring one carved coral south American motif drop measuring approximately 33 x 28 mm, accented by one navette

Ladies platinum yellow sapphire and diamond earrings featuring prong set oval cut moderately strong yellow sapphires weighing approx. 10.08ct.. Accented with a scrolling frame of prong set round brill

Oscar Heyman Sapphire, diamond, platinum and 18k yellow gold ring featuring (19) full-cut diamonds, weighing a total of approximately 0.70 ct., accented by (14) rectangular-cut sapphires, weighing a t

Pair of sapphire, diamond, platinum and 18k yellow gold clip earrings featuring two oval cut blue sapphires weighing a total of approximately 2.85 cts., and two oval cut yellow sapphires weighing a to

An 18K yellow gold, platinum, yellow sapphire, and diamond ring, Boris LeBeau designed as a tapering cigar band in eighteen karat yellow gold and platinum, centering a bezel set cushion-cut yellow sap

Edwardian sapphire, diamond, platinum and 14k yellow gold ring featuring one round cut sapphire weighing approximately 0.65 ct., and one old European cut diamond weighing approximately 0.50 ct., accen

GIA Unheated Yellow Sapphire 9.97 ct and Diamond Ring in Platinum

Purple sapphire, diamond, platinum and 18k yellow gold ring centering (1) oval-cut purple sapphire, weighing approximately 0.80 ct., flanked by (2) full-cut diamonds, weighing a total of approximately