SAPPHIRE, DIAMOND, YELLOW GOLD & PLATINUM PANSY

(Lot of 3) Ruby, sapphire, diamond and platinum, yellow gold horse shoe stickpins Including (1) rose-cut diamond, platinum-topped 18k yellow gold horseshoe stickpin; 1) ruby, old mine-cut diamond and

Pair of Sapphire, Diamond and Ruby Earrings 18k yellow gold/platinum, the earrings mounted with cabochon-cut treated sapphires weighing approximately 1.50 carats in total, round brilliant-cut diamonds

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 SAPPHIRE AND DIAMOND RING in 18ct yellow gold and platinum, the circular face set with pattern of step cut sapphires and round cut diamonds, further diamonds accenting the band, stamped 18ct PLAT, s

A SAPPHIRE AND DIAMOND RING in 18ct yellow gold and platinum, the circular face set with step cut sapphires and round cut diamonds, further diamonds accenting the band, stamped 18ct PLAT, size N / 7,

AN ART DECO SAPPHIRE AND DIAMOND BAR BROOCH in yellow gold and platinum, the tapering bar set with a floral cluster of diamonds to the centre, flanked by rows of graduated cushion cut blue sapphires,

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

ANTIQUE ART DECO 14K YELLOW GOLD, PLATINUM, DIAMOND, AND SAPPHIRE LADY'S RING, possibly converted to a ring from another piece of jewelry, featuring a diamond-form pierced platinum top having a ce

*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

19th century German diamond, sapphire, enamel, 18k yellow gold and platinum brooch featuring the initial "W II " in 18k yellow gold and platinum set with (1) single cut and (9) rose cut diamonds, enha

A Platinum, Yellow Gold, Diamond, Ruby, Sapphire and Emerald Bird of Paradise Brooch, containing 90 round brilliant and single cut diamonds weighing approximately 1.90 carats total, numerous round mix

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

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

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

A SAPPHIRE AND DIAMOND CLUSTER RING in 18ct yellow gold and platinum, set with an oval cut sapphire, in a halo of old mine cut diamonds, to stylised shoulders, stamped with maker's mark and 18CT & PLA

A SAPPHIRE AND DIAMOND CLUSTER RING in 18ct yellow gold and platinum, set with an oval cut blue sapphire of 1.36 carats within a border of round cut diamonds, with further diamonds set to the shoulder

NO RESERVE - A PINK SAPPHIRE AND DIAMOND THREE STONE RING in yellow gold and platinum, set with an oval cut pink sapphire of 1.01 carats, between two round brilliant cut diamonds, stamped PLAT, size P

VK JEOO Late Victorian Diamond Sapphire 18 karat Yellow Platinum Gold Butterfly Brooch Lovely butterfly pin created in the beginning of 1900s. It makes a chic and stylish accent on your blouse, dress,

AN ART DECO SAPPHIRE AND DIAMOND DRESS RING in 18ct yellow gold and platinum, set with a cushion cut blue sapphire of 0.93 carats, within a border of old cut diamonds, stamped Pt 18ct, size M / 6, 3.1

Hammerman Brothers yellow gold, platinum, yellow sapphire and diamond ring New York, New York 18K yellow gold, platinum, 1.90 carat oval yellow sapphire, (2) 0.34 carat pear cut diamonds (clarity: VS1

2 Art Deco Brooches. 1st item: Art Deco platinum, 18k yellow gold sapphire, diamond and pearl brooch containing 14 baguette cut sapphires with a total weight of approximately .56 carats and 42 Old Eur

Long earrings with calibrated sapphires and diamonds in 18K yellow gold and backed in platinum.

The flattened curb links center a pale orange sapphire, approx. 7.99 cts. by formula. In OMC and OEC diamond platinum-topped link, diamonds approx. .88 ct. Ca. 1930. 14k. Stamped Seaman Schepps. 7 3/4

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