An Opal and Diamond Frog Brooch

This wonderful and romantic Victorian-era brooch shimmers with 12 colorful heart shaped opals and 44 sparkling old mine-cut diamonds, all of which are set in 14K gold. This distinctive and dreamy anti

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)

1970's Victorian Revival Australian Opal Diamond Brooch. Featuring an open frame floral motif centrally set with a oval cabochon cut "jelly" opal exhibiting a harlequin blue, green and red play of col

Large oval 14K yellow gold brooch with hidden bail on back to convert to a pendant, set with large white opal cabochon and the foliate frame set with brilliant cut white diamonds, height 2", width 1.7

ONLY MAGNIFICENT JEWELS Gorgeous 3D real-life Dolphins pin Diamonds: .20ct. Round, H-color Vs-2 & Si-1 clarity Natural Opals Gorgeous threads of blues, reds and greens. measurement of pin: 1.1 X .73 I

18K ITALIAN DIAMOND FROG BROOCH: An 18K yellow gold brooch in the form of a frog with four round brilliant cut diamonds weighing .05 ct. and rated VS in clarity and F-G in color. With green, black, an

METAL: 14k Gold. MEASUREMENTS: Brooch is 35mm in diameter. GEMSTONES: Opal (multiple stones are chipped). Diamonds approx. 0.60ctw. MARKED: 14k. WEIGHT: 11.4 grams.Gemstones have not been graded for c

Ladies 18k Yellow Gold and Opal Ring, and an Opal, Diamond and 10k Yellow Gold Brooch. 7.7 g.t.w. Brooch: L: 1.25 in.

Marked 14k.

METAL: 14k Gold. GEMSTONES: Diamonds approx. 0.40ctw. Ruby eyes. MEASUREMENTS: Brooch is 32mm x 22mm. MARKED: Dan Frere Copyright 14k. WEIGHT: 8 grams.Gemstones have not been graded for color and clar

14K Opal & Diamond Brooch, 16 Opals and 4 Diamonds, 7.93dwt 2 1/2"x 1 1/4"

About 1 1/2" wide, WITH 12 fabulous opals and small brilliant diamond center stone, total weight 9 dwt 14 grams

Ladies fine 10k yellow gold, opal, and diamond brooch, weighing 25.7 grams. Unmarked but tested for 10k gold. Measures 51mm across. Condition: good, see images.

Solid Sterling Silver Guaranteed, in Brand New Never Worn Condition.

1970's Victorian Style Australian Opal Diamond Brooch/Pendant 2.00Cts

OPAL AND DIAMOND BROOCH, CIRCA 1890 The opal cabochon set within an open surround of old brilliant and single-cut diamonds, suspending an opal drop, diamonds approx. 070ct total, length 5.0cm

AN ANTIQUE OPAL AND DIAMOND BROOCH in yellow gold and silver, set with a central cabochon opal within a scrolling openwork mount set with old cut diamonds, the diamonds all totalling 5.3-5.5 carats, n

AN EARLY 20TH CENTURY OPAL AND DIAMOND BROOCH / PENDANT a cluster of heart-cut opals within an openwork frame of further opals and eight-cut diamonds. Estimated total diamond weight 0.40ct, 4cm by 2.5

DESCRIPTION: A Platinum convertible Brooch/pendant centered by a Large White Opal weighing approx. 20.6cts, encompassed by a series of Round cut Diamonds the top tier diamonds weighing approx. 0.25cts

Rosé gold 750, 18 g., Decorative brooch set with 1 carved opal of ca. 9.92 ct also 23 brilliants totalling 0.13 ct, F-G/SI and 1 brilliant of 0.17 ct, F-G/SI one part green enamelled. L ca. 85 mm.

ART DECO, BLACK OPAL AND DIAMOND BROOCH Containing one oval cabochon black opal measuring approximately 19.85 x 17.10 x 5.85 mm and 18 old mine cut diamonds weighing approximately 0.80 carat total. Mo

ANTIQUE BELLE EPOQUE OPAL AND DIAMOND BROOCH, Set with a large marquise shaped opal of approx. 28 x 9.7 mm. Surrounded with bright and lively diamonds. L. 4 cm. 10.1 grams.

METAL: 14k Gold. MEASUREMENTS: Brooch is 26mm x 30mm. GEMSTONES: Diamonds. MARKED: 14k. WEIGHT: 4.6 grams.Gemstones have not been graded for color and clarity ,and tested for clarity and color enhance

Tiffany & Co. 0.25ctw VS1-VS2/F-G Diamond and Solid Platinum 0.60" Frog Brooch W/Box - This adorable piece from Tiffany & Co. is crafted of solid platinum and has a lovely frog motif embellished with