Gold, Platinum, Amethyst, Turquoise and Diamond Bird Clip-Brooch

18 kt., one pear-shaped amethyst ap. 26.0 x 17.8 mm., 2 round diamonds ap. 1.10 cts., small single-cut diamonds, with maker's mark, obscured, and French assay marks, c. 1940, ap. 27.3 dwts.

Retro 14K rose gold and platinum, amethyst and diamond double clip brooch, composed of two 18mm x 15mm emerald-cut amethyst and eight round single-cut diamonds, approx: 0.50 ct tw., color: H-I, clarit

Title: Tiffany & Co. Schlumberger Persian Turquoise Amethyst 1.85ctw Diamond 18k Gold Platinum Butterfly Signed Numbered Brooch Description: A fanciful butterfly design made in platinum & 18k gold fea

This is an antique platinum and 18K yellow gold brooch clip by Joseph Marchak (Russian/French, 1854-1918). Featuring an Old European diamond studded bird resting pearls forming a bunch of grapes. The

AN 18K GOLD, PLATINUM, DIAMOND AND GEM-SET CLIP BROOCH Elevating figural coral and turquoise carvings upon fluted pedestals accented by round, old mine-cut, old European-cut and single-cut diamonds an

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

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

METAL: 18k Gold and Platinum. GEMSTONES: Diamonds approx. 0.28ctw. Ruby eyes. MEASUREMENTS: Brooch is 45mm x 49mm. MARKED/TESTED: CB 750/Plat. WEIGHT: 15 grams.Gemstones have not been graded for color

Tiffany & Co., Schlumberger Gold, Platinum and Diamond Clip-Brooch The curved layered petals tipped by a diamond-set terminal and opening into an 'en tremblant' center of round diamond-set sprays, tot

David Webb Hammered Gold, Platinum and Diamond Flower Clip-Brooch 18 kt., 9 round diamonds ap. 1.85 cts, signed Webb, ap. 36.6 dwts. C

A 14K GOLD, TURQUOISE, SAPPHIRE AND DIAMOND CLIP BROOCH Of a cluster design set with round and marquise-shaped turquoise cabochons, round cabochon and marquise-shaped sapphires and round diamonds weig

METAL: Platinum/18k Gold. GEMSTONES: Diamonds approx. 1.20ctw. Turquoise - 10mm x 8.5mm. MEASUREMENTS: Brooch is 37mm x 25mm. MARKED: French Eagle's head Hallmark. Tested - Plat. WEIGHT: 10.7 gram

An 18 Karat Yellow Gold, Platinum and Diamond Flower Clip Brooch, Italian, consisting of five stippled textured curved petals surmounted with platinum zigzag design plaques containing 63 round brillia

Marcus & Co. Platinum, Gold, Amethyst and Diamond Brooch One lozenge-shaped amethyst ap. 27.0 x 18.0 x 9.7 mm., rose-cut diamonds, signed M & Co., c. 1915, ap. 8.2 dwts. C

Trabert & Hoeffer, Mauboussin 'Reflection' Gold, Platinum, Cabochon Ruby and Diamond Clip-Brooch 18 round cabochon rubies, 13 transitonal-cut diamonds ap. .90 ct., signed Trabert & Hoeffer, Mauboussin

Raymond Yard Gold, Platinum, Diamond and Ruby Spray Clip-Brooch 11 old European-cut diamonds ap. .95 ct., 34 baguette and modified baguette diamonds ap. 1.30 cts., 14 square and fancy-shaped rubies ap

METAL: 18k gold. MEASUREMENTS: brooch measures 34mm x 25mm. GEMSTONES: turquoise, diamonds, green stone. MARKED: 18k, Maker's mark. WEIGHT: 9.6 grams.Gemstones have not been graded for color and c

Gold, Platinum, Green Enamel and Diamond Leaf Clip-Brooch 34 round diamonds ap. 2.35 cts., minor enamel loss, ap. 12.7 dwts. C The Estate of Charlotte Anne Reid

Attributed to Edward Everett Oakes Arts and Crafts Gold, Platinum, Diamond, Amethyst and Pearl Brooch The shield-shaped brooch of open-work scrolling grape vines set throughout with 5 oval and round a

Antique Retro Deco Large 18k Rose Gold & Platinum 2.50ctw Diamond & Ruby Butterfly Dress Clip Brooch Description:A ca. 1940s 18k rose gold & platinum dress clip in an elaborate butterfly motif encrust

An 18 Karat Yellow Gold, Platinum, Amethyst, Diamond and Ruby Articulated Turtle Pendant/Brooch, containing one oval mixed cut amethyst weighing approximately 23.91 carats, seven round brilliant cut d

Gold, Platinum, Carved Angel Skin Coral and Diamond Flower Clip-Brooch One carved coral rose ap. 45.0 x 38.0 mm., 93 single-cut and one round diamond ap. 1.95 cts., ap. 30.2 dwts. gross. C

Art Deco Diamond, Platinum, White Gold Clip-Brooch The brooch features European and baguet

Retro Citrine, Diamond, Platinum-Topped Gold Clip-Brooch Stones: Emerald and baguette-cut citrines; European and full-cut diamonds weighing a total of approximately 1.00 carat Metal: Platinum-topped 1