An 18 Karat Yellow Gold and Diamond Brooch, 9.40 d

containing seven marquise emeralds weighing approximately 1.65 carats total; 48 full-cut diamonds and six marquise-cut diamonds [H-J/VS-SI] weighing approximately 2.45 carats total; 12.3 grams; 56.85

stamped '18k'; containing one full-cut diamond [H-I/VS] weighing approximately 0.06 carats total; 21.6 grams; 46.75 x 37.00 mm

brooch center bezel set with one oval cabochon cut Emerald, approximately 8.07 carats, accented with 24 baguette cut Diamonds [H/VVS], approximate total weight 3.36 carats, further enhanced with 128 p

consisting of 36 round cut rubies, total approximate weight 4.30 carats, accented with ten full-cut round diamonds [H-I/VS], total approximate weight 0.05 carats; shoe length 26.5 x 16.95 mm.; total l

18 KARAT YELLOW GOLD, RUBY,SAPPHIRE and DIAMOND BROOCH Designed as a Terrier,length 1.25 inches gr wt approx 45 dwts stamped ITALY 750

A Retro 18 Karat Yellow Gold, Ruby and Diamond Brooch, containing one oval mixed cut ruby measuring approximately 8.38 x 5.13 mm, 13 round mixed cut rubies measuring approximately 2.63-4.55 mm in diam

An 18 Karat Yellow Gold, Platinum and Diamond Brooch, containing 15 round brilliant cut diamonds weighing approximately 0.75 carat total. Stamp: H 18K. 15.10 dwts.

VK ITOO DAVID WEBB 18 karat Yellow Gold Platinum Diamond Emerald Brooch A gorgeous vintage David Webb 18 karat gold brooch, featuring emerald and diamond. Designed as a swirled branch, this vintage Da

Large Approx. 5.75 Carat Round Brilliant Cut Diamond, Platinum and 18 Karat Yellow Gold Brooch. Diamonds E-F color, VVS clarity. Unsigned. Very good condition. Measures 2-1/2" x 1-3/4". Approx. weight

3 piece set of Tiffany & Co. 18k gold & diamond jewelry in the "Dogwood" design includes matching brooch & earring pair.Brooch: 18 karat yellow gold and diamond "Dogwood" brooch by Tiffany & Co.. Mark

18 karat yellow gold and diamond "Dogwood" brooch by Tiffany & Co.. (Matching earrings Lot # 124) Marked Tiffany & Co. / 750. Features 6 round diamonds. Diamond approximates: .30 cts total; Color: F-G

An 18 Karat Yellow Gold and Diamond Butterfly Pendant/Brooch, G. Phil Poirier for Tammy Garcia, containing eight round brilliant cut diamonds weighing approximately 0.30 carat total. Stamp: Tammy Garc

A Collection of 18 Karat Yellow Gold, Diamond and Ruby Bird Brooches, consisting of a winking owl brooch containing one round brilliant cut diamond weighing approximately 0.11 carat by Dan Frere, toge

* An 18 Karat Yellow Gold, Diamond and Multigem Bow Brooch, containing 20 round brilliant cut diamonds weighing approximately 0.42 carat total, and 12 rectangular step cut gemstones including two amet

An 18 Karat Yellow Gold, Platinum and Diamond Squiggle Brooch, Paloma Picasso for Tiffany & Co., Circa 1983, containing 11 round single cut diamonds. Stamp: Paloma Picasso 1983 TIFFANY&CO 18K PLAT. 5.

Art Deco 18 Karat Yellow Gold, Platinum, Diamond and Ruby Bar Brooch Bezel set on the diagonal with four square French cut Diamonds [G/VVS], approximate total weight 2.05 carats, and enhanced with 16

18 Karat Yellow and White Gold Diamond Floral Cluster Brooch set in white gold with six Round Brilliant cut Diamonds [G/VS], approximate total weight 1.61 carats, accented with 38 full cut round Diamo

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

An 18 Karat Yellow Gold, Diamond, Sapphire and Emerald Butterfly Brooch, Tiffany & Co., Circa 1989, containing numerous round brilliant cut diamonds weighing approximately 0.35 carat total, numerous

An 18 Karat Yellow Gold, Sapphire and Diamond Owl Motif Brooch, consisting of an owl perched on a branch, containing two round mixed cut sapphires measuring approximately 2.75 mm in diameter and two r

An 18 Karat Yellow Gold, Diamond and Ruby Floral Cluster Brooch, Montclair, containing four round brilliant cut diamonds weighing approximately 0.47 carat total and seven round mixed cut rubies measur

An 18 Karat Yellow Gold, Diamond and Ruby Kangaroo Motif Brooch, consisting of a realistically sculpted kangaroo with a baby joey, containing one round brilliant cut diamond weighing approximately 0.0

An 18 Karat Yellow Gold, Diamond and Polychrome Enamel Swan Brooch, Italian, containing one round single cut diamond and translucent enamel in shades of white, pink, green and blue. Stamp: 18K ITALY.

This is a signed Dunay 18 karat yellow gold genuine malachite and natural diamond brooch.  This mid-1900's Modernist brooch features round polished malachite and approximately .10 carats of round