Hughes Bosca Montana Black Jade 18K Diamond Brooch

White Diamonds mounted on a Black Jade disc bound and set into a gold, scalloped back plate. Can be worn as a pendant.

Tiffany & Co., Paloma Picasso Gold, Platinum, Black Jade, Rubellite and Diamond Spider Brooch 18 kt., one oval cabochon black jade ap. 13.6 x 6.6 x 5.0 mm., one oval rubellite, 26 round diamonds ap. .

RBC approximately .60 cts.

LADIES 18K CHINESE JADE & DIAMOND BROOCH PENDANT Ladies 18K yellow gold, carved Chinese jade and diamond brooch pendant. The jade piece is 34 x 25mm. and moss in snow in coloration. Surrounding the ja

Jade, Diamond, 18k White Gold Brooch. Designed as a flower with an articulated bee flying above, featuring four carved jadeite plaques for the petals, leaves and the bee, accented by two marquise-cut,

Jade, Diamond, 18k White Gold Brooch. Featuring twelve oval, pear and navette shaped jadeite cabochons ranging in size from approximately 11.84 x 4.82 mm to 6.50 x 4.75 mm, accented by five marquise-c

Jade, Diamond, 18k White Gold Brooch. Featuring fourteen oval, navette and pear shaped jadeite jade cabochons ranging in size from approximately 13 x 7 mm to 4.8 x 3.7 mm, accented by eighty single-cu

METAL: 18k Gold. MEASUREMENTS: Brooch is 50mm x 21mm. GEMSTONES: Jade, Diamonds approx. 0.35ctw. MARKED: 18k, 750. WEIGHT: 11 grams.Gemstones have not been graded for color and clarity ,and tested for

METAL: 18k Gold/ Black Cord Necklace/Base metal clasp. MEASUREMENTS: Necklace is 21" long, Pendant is 55mm long with bale, circle is 32mm in diameter. GEMSTONES: Black jade, diamonds 0.63ctw, cen

METAL: 18k Gold. GEMSTONES: Jade. MEASUREMENTS: Brooch is 47mm x 23mm. MARKED: 750. WEIGHT: 12.2 grams.Gemstones have not been graded for color and clarity, and tested for clarity and color enhancemen

METAL: 18K gold. GEMSTONES: diamonds, jade 29mm in diameter. MEASUREMENTS: brooch/pendant is 38mm long x 29mm at widest point. MARKED: 18K D 038. WEIGHT: 11.2 grams. Gemstones have not been graded for

METAL: 18k Gold. MEASUREMENTS: Brooch is 60mm x 45mm. GEMSTONES: Diamonds approx. 2.00ctw, carved jade. MARKED: 750. WEIGHT: 20.7 grams.Gemstones have not been graded for color and clarity ,and tested

Cesare de Vecchi 1995 Solid 18K Yellow/White Gold, Carved Mother of Pearl & Diamond Brooch W/Emerald & Black Enamel Accents - This stunning deco style brooch was produced in 1995 by renowned Italian j

METAL: 18k Gold. GEMSTONES: Diamonds approx. 0.42ctw. Jade. Onyx. Ruby. MEASUREMENTS: Brooch is 56mm x 9.3mm at widest point. Brooch has a hook. Jade pendant is removable, can wear as a pendant. MARKE

Gump's Black Onyx, Diamond, 18k Yellow Gold Crab Brooch. Designed as a crab, the shell comprised of a black onyx cabochon measuring approximately 15.2 x 19.5 mm, the eyes completed by two full-cut dia

METAL: 18k Gold. GEMSTONES: Diamonds. Carved jade. MEASUREMENTS: Brooch is 43mm x 18mm. TESTED: 18k. WEIGHT: 7.2 grams.Gemstones have not been graded for color and clarity ,and tested for clarity and

Metal : 18k Gold Designer : n/a Gemstone : Diamonds- approx. 0.60ctw, Carved Jade Measurements : 42mm x 23mm Marked: : tested 18k Weight: 9.4 grams

METAL: 18k Gold. GEMSTONES: Diamonds approx. 0.22ctw. Jade. Yellow Sapphire. MEASUREMENTS: Brooch is 43mm x 35mm. MARKED: 18k 750. WEIGHT: 9.2 grams.Gemstones have not been graded for color and clarit

David Webb brooch in the form of a recumbent jaguar. Features a 12 diamond collar (approx 1 carat), two emerald eyes, and black enamel stripes. [2.34" W x 1.45" D x .87" H]. Signed "David Webb". Clasp

Antique Black Australian Opal on Matrix Diamond Brooch of 18K Gold Dimensions: 15.86 x15.35 x12.00 mm* Weight: 22.80 grams* * (estimate/approximately)

METAL: 18K Gold. GEMSTONES: Jade, Diamonds. MEASUREMENTS: 47mm x 41mm. TESTED: 18K Gold. WEIGHT: 10.7 grams. Gemstones have not been graded for color and clarity ,and tested for clarity and color enha

METAL: 18k Gold. MEASUREMENTS: Brooch is 40mm x 33mm. GEMSTONES: Carved chalcedony, jade, diamonds approx. 0.11ctw. MARKED: 750. WEIGHT: 8.3 grams.Gemstones have not been graded for color and clarity

METAL: 18k Gold. MEASUREMENTS: Brooch is 50mm x 46mm. GEMSTONES: Carved crystal, jade. Diamonds. MARKED: 18k, Gold marks. WEIGHT: 15.6 grams.Gemstones have not been graded for color and clarity ,and t

This is a vintage Tiffany & Co 18K gold penguin brooch featuring Mother of Pearl and black jade. Accompanied by the original drawstring pouch and box. 1 3/4 x 7/8" It weighs 12.1g