VERY FINE 18K GOLD & PLATINUM DIAMOND BROOCH. 19.6 DWT.

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

Crafted of fine 18k yellow gold with a platinum flash on the face. Features alternating clusters of small rose cut diamonds and square single cut sapphires in a graduated arrangement, placing the larg

Title: Antique Tiffany & Co. Paris Platinum 18K Gold Diamond Pearl Circle Brooch Circa 1900s 3ctw Description:Antique Tiffany & Co. Paris Platinum 18K Gold Diamond Pearl Circle Brooch Circa 1900s 3ct

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

Title: Antique Approx 6ctw Quality Old Euro Diamond 18k Gold Platinum Victorian Era Snowflake Pendant or Brooch Description: A genuine Victorian era 18k & platinum snowflake design brooch featuring ex

Hexagonal platinum panel and tapered bars set with 24 fine RBC diamonds, approx. 1.35 cts. TW, in fluted yellow gold, ca. 1970. Marked Plat 18k Webb. Size 7 3/4. 14.1 dwt.

A large brooch consisting of approximately 95 prong set diamonds and 10 natural pearls set in 18k yellow gold and platinum. Superior workmanship, with the largest diamond measuring 2.75 mm in diameter

Remodeled Dana ring. Medium-blue fine Sapphire 2.83 ct two trillion -cut diamonds .66 ct tw. H color SI2 clairty. platinum setting with 18k gold shank. 3.3 dwt. Size 4 1/4 Condition: Sapphire shows si

This is a charming vintage yellow gold, diamonds and black enamel 3D leopard pin brooch. It is exquisitely crafted in solid 18k yellow gold with a fine polished textured finish. The leopard is posed i

This beautiful brooch is crafted from 18k yellow gold with white gold accent featuring a dragonfly with a fine lattice design on its double wings, each with 3 bezel set diamond in white gold and along

METAL: 18k Gold/ Platinum. MEASUREMENTS: Brooch is 79mm x 30mm. GEMSTONES: Diamonds approx. 115 stones. TESTED: 18k/plat top. WEIGHT: 11.7 grams.Gemstones have not been graded for color and clarity ,a

METAL: 18k Gold/ Platinum. MEASUREMENTS: Brooch measures 69mm x 39mm. GEMSTONES: Diamonds approx. 0.26ctw. MARKED: Maker's mark, plat, 18k. WEIGHT: 28.4 grams.Gemstones have not been graded for co

Tiffany and Co 18K Gold and Platinum brooch. The brooch is made in the shape of a flower and encrusted with diamonds. Marked with standard Gold and Platinum hallmarks, Tiffany and Co copyright, on the

METAL: 18K gold, platinum. GEMSTONES: diamonds-approx. 2.70ctw, multi color pearls 10.5-12mm. MEASUREMENTS: brooch is 53mm long xm at widest point. MARKED: Dunay 18K. WEIGHT: 42.5 grams.Gemstones have

DESCRIPTION: An Art Deco style brooch crafted in 18k white gold featuring an elegant openwork design displaying draping floral vine motifs and center ribbons. Decorated with inset and bezel set diamon

METAL: 18k Gold and Platinum. GEMSTONES: Rose cut and old mine cut diamonds approx. 25 stone. Emerald. MEASUREMENTS: Brooch is 52mm x 11.9mm. MARKED/TESTED: 750/Plat. WEIGHT: 5 grams.Gemstones have no

METAL: 18k Gold/ Platinum. MEASUREMENTS: Brooch is 34mm in diameter. GEMSTONES: Rubies, Diamonds approx. 0.80ctw. MARKED: with gold marks on stem. WEIGHT: 18.5 grams.Gemstones have not been graded for

METAL: 18k Gold/ Platinum. MEASUREMENTS: Brooch is 41mm x 32mm. GEMSTONES: Rubies, Diamonds approx. 1.00ctw. TESTED: 18k/ Plat. WEIGHT: 15.5 grams.Gemstones have not been graded for color and clarity

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 58mm x 4.8mm. Comes with box. GEMSTONES: Old mine and rose cut diamonds approx.1.00-1.20ctw. TESTED: 18k/ Plat top. WEIGHT: 3.8 grams.Gemstones have

METAL: 18K gold, platinum. GEMSTONES: diamonds-approx. 0.60ctw. MEASUREMENTS: brooch is 68mm long x 20mm at widest point. TESTED: 18K, platinum. WEIGHT: 5.2 grams.Gemstones have not been graded for co

METAL: 18k Gold and Platinum. GEMSTONES: Diamonds approx. 1.00ctw. MEASUREMENTS: Brooch/Pendant - 35mm x 23mm. TESTED: 18k, Plat. WEIGHT: 3.5 grams.Gemstones have not been graded for color and clarity

An 18K gold, platinum, diamond, and ruby brooch, Tiffany & Co. Schlumberger, "Ibex" designed as an ibex with a pavé-set round brilliant-cut diamond head, a pear-shaped ruby eye, and ribbed gold h

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