Sapphire, Diamond, Platinum, Gold Brooch, Ruser

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

Art Nouveau Sapphire, Diamond, Platinum-Topped, 14k Yellow Gold Circle Brooch. Featuring six round-cut sapphires weighing a total of approximately 1.15 cttw., accented by eighteen round-cut diamonds w

Burma Sapphire, Diamond, Platinum, White Gold Convertible Brooch, circa 1950 Stones: Sapphire cabochons; calibré-cut sapphires; transitional, singl

Round and rose cut diamond, calibré sapphire, platinum and gold brooch, g 10.07, length cm 9.20 circa.Broche in oro giallo e platino con diamanti rotondi, mezza rosetta e zaffiri calibré, g 10,07, l

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,

Seed Pearl, Diamond, Sapphire, Platinum-Topped, 14k Yellow Gold Golf Brooch. Designed as a golf putter, the blade accented by single-cut diamonds and a single seed pearl as the golf ball, the handle a

METAL: 18k Gold/ Platinum. MEASUREMENTS: Brooch is 85mm x 50mm, converts into two clips. GEMSTONES: Sapphires, Rose cut diamonds approx. 70 stones. TESTED: 18k/ Plat. WEIGHT: 41.4 grams.Gemstones have

PLATINUM, GOLD, DIAMOND AND SAPPHIRE BROOCH Melee centering three bezel-set diamonds, the largest approx. 3.2mm x 3.0mm. Length 2.25”. Approx. 6.46 total dwt.

Nice Plaque Brooch crafted in 18k yellow Gold and Platinum on top, accented with Diamonds weighing Approx. 0.45 carats total weight. Along with 4 Baguette Sapphires. Measurements: 1.20 x 0.85 inches.

A GROUP OF PLATINUM-TOPPED GOLD, BI-COLOR GOLD, SAPPHIRE AND DIAMOND BROOCHES • Platinum, 14k white gold, 18k yellow gold • 5 old European-cut, 1 old-mine cut and numerous rose-cut diamond

Platinum,14k white gold diamond and sapphire brooch, GIA,14.2 dwts. Length: 1.75 inches. This brooch is platinum(main body) and 14k white gold(catch and pin back).It contains an oval sapphire with a G

Art deco 18k yellow Gold and Platinum on top, featuring three Old mine Diamonds weighing Approx. 0.60 carats. Along with Rose cut Diamonds and natural blue Sapphires weighing Approx. 1.00 carats. Broo

Three brooches 19th-early 20th centuryComprising two 19th Century brooches, one shell cameo and metal brooch, one garnet and gold dome brooches, and one platinum, diamond and synthetic sapphire bar p

Estate 14kt yellow gold and platinum brooch, Cartier, serial number 833, modeled as a Bluebonnet flower stem, with gold wire leaves, (eleven) blue sapphires, approx 3.60cttw, (twenty) diamonds, approx

c. 1920-30, American, 18K yellow gold platinum toped filigree brooch featuring cushion cut sapphire with diamonds set in filigree, 2.75 in. L, 4.4 grams

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

PLATINUM & 18K GOLD CEYLON STAR SAPPHIRE DIAMOND & RUBY BROOCH: An important 18K yellow gold Russian brooch set with a large star sapphire cabochon surrounded by diamonds and knife-set rubies in an en

METAL: 18k Gold/ Platinum. MEASUREMENTS: Brooch is 65mm x 27mm. GEMSTONES: Diamonds approx. 1.20ctw, ruby, emerald, sapphire. TESTED: Plat/18k. WEIGHT: 14 grams.Gemstones have not been graded for colo

METAL: 18k Gold/Platinum. GEMSTONES: Diamonds approx. 0.54ctw. Synthetic sapphire and ruby. MEASUREMENTS: Brooch is 34mm x 30mm. TESTED: Plat. 18k. WEIGHT: 9.4 grams.Gemstones have not been graded for

14K yellow gold platinum topped filigree brooch featuring Old European and Old Mine cut diamonds bead set into filigree with channel set dark blue French cut sapphire channel set down the center, 6 in

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,

METAL: 14k Gold/Platinum. GEMSTONES: Diamond approx. 0.03ct, Ruby, sapphires, pearls - 2.2-2.5mm. MEASUREMENTS: Brooch is 24mm in diameter. MARKED: 1500. WEIGHT: 3.6 grams.Gemstones have not been grad

UDALL & BALLOU ART DECO PLATINUM, 18K GOLD, SAPPHIRE, AND DIAMOND BAR PIN / BROOCH, tested, marked "U&B", featuring 11 hexagonal-cut sapphires in slightly tapering sizes from 4.1 to 4.7 mm side to sid

An early 20th platinum and 18ct gold sapphire and diamond brooch. The circular-shape sapphire, within a rose-cut diamond surround and calibre-cut sapphire accents, to the rose-cut diamond sides. Frenc