MODERNIST BLACK "OPAL" & SAPPHIRE YELLOW GOLD BROOCH

The oval sapphire cabochon, 9.54 x 7.61 mm, set in substantial open form mount. 14k. Size 8 3/4. 9.3 dwt.

14K Yellow Gold Brooch with Black Opal diameter 1 1/2 inches, total weight 6.8 grams

14K yellow gold brooch featuring opals, sapphires, emeralds, and rubies, in a design of textured leaves, 2 in. L, 11.3 grams tw

Ca. first half 20thC. Excellent with no black enamel loss, no chipped or cracked opal cabochons, no breaks, dents, splits or repairs to the gold. Marked "14K" and tested. Approx. diameter 1 1/4". The

Designed as an open-winged butterfly with round-faceted or cabochon opals, rubies, sapphires, emeralds and RBC diamonds, .60 ct. TW. Mid 20th c. Stamped 14k. 1 1/4" x 2". 10.7 dwt. Provenance: From th

Collection of Three Multi-Stone, Enamel, 14k Yellow Gold Animal Brooches. Including one shell, sapphire, 14k yellow gold snail brooch measuring approximately 22 x 47 mm; one yellow, brown and black en

Yellow and White Gold Brooch with 10 round sapphires totaling approx. 1 ct., 1 round emerald approx. 20 pts, and approx 60 diamonds totaling approx. 2 ct. Gross Weight: 33.4 grams NOTE: All jewelry m

Marina B 'Novia' opal, sapphire, and black onyx earrings Each set with cushion and oval opals, enhanced by cabochon black onyx, and pave-set circular-cut sapphires 18k yellow gold Signed Marina B, num

(Lot of 4) Sapphire, black onyx and yellow gold jewelry Including 1) round-cut sapphire and 14k yellow gold bar brooch; 1) 14k yellow gold engraved slide; 1) cloth cord, attached to a 14k yellow gold

Italian 18kt yellow gold ring, black opal triplet cabochon, approx 15.65 x 8.00 mm, in a hand-engraved modernist setting, approx size 7.25-7.5, 13.7 grams (inclusive of all materials) **Provenance: A

Diamond, Enamel, Sapphire, 14k Yellow Gold Panda Bear Pendant Brooch Necklace. Designed as a seated panda bead, the ears, arms and legs featuring black enamel, the head and body accented by full-cut d

Antique 14 Karat Yellow Gold and Pearl Ring; Antique 10 Karat Yellow Gold, Sapphire and Opal Ring and 10 Karat Yellow Gold, Ruby and Seed Pearl Brooch. Unsigned. Pearl measures 8mm. Ring sized 4-1/2,

Three Piece Vintage Gemstone and 14 Karat Yellow Gold Lot. Includes curved brooch with round opals and sapphires, slide pendant with opal and diamonds, slide pendant with opal and multi gemstones. Cur

Multi-Stone, Yellow Gold, Gold-Filled, Metal Brooch. Designed as a vase of flowers comprised of several stickpins, featuring diamond, carved coral cameo, opal, amethyst, glass, synthetic sapphire, set

Brooch in butterfly design with diamonds, opals, emeralds, rubies and sapphires, in 14K yellow gold.

A Black Star Sapphire Cocktail Ring. 14 karat yellow gold modernist mounting contains two round cabochon black star sapphires Size: 8.75 Wt: 13.5

EXCEPTIONAL DECO 14KT YELLOW/WHITE GOLD DRAGONFLY BROOCH W/ DIAMONDS, STAR SAPPHIRES, RUBIES, EMERALDS & OPALS, C. 1940/50 SIGNED MONOGRAM & JGLJ3The dimensions are as follows:Wing to wing is 2"Head t

NO RESERVE - AN ANTIQUE BLACK OPAL AND DIAMOND BAR BROOCH, CIRCA 1910, Made in yellow gold and platinum, Oval cabochon black opal, weighing approximately 1.61 carats, Single cut and rose cut diamonds,

YELLOW GOLD AND OPAL SET Consisting of a brooch containing one cushion cabochon black opal measuring approximately 22.60 x 19.15 mm, together with a pair of earclips containing two oval cabochon opals

Contemporary Approx. .25 Carat TW Diamond, 10.05 Carat TW Blue and White Sapphire, .50 Carat TW Ruby, Black Onyx and 18 Karat Yellow Gold Fish Brooch / Pendant. Gem quality stones throughout, vivid co

Lilly Fitzgerald Opal, seed pearl, and 22k gold brooch Set with a black opal plaque, seed pearls, and gold spheres 22k yellow gold With maker's mark for Lilly Fitzgerald 1 x 1 1/8 in; Gross weight

fiery gems in 14K yellow gold, 11.9 grams, 2 1/2" long.

figural, yellow gold, 1", signed, 5 grams.

A diamond, ruby and sapphire brooch, stamped 18kt yellow gold, weighing 8.3 grams. The modern stylized brooch is set with five diamonds measuring approx. 2.27mm, five rubies measuring approx. 2.09mm,