Opal 4.65 Carat Diamond Brooch

So much color is this opal and diamond brooch! Set in 18 karat yellow gold, this can also be worn as a pendant.

Purchased from famed Macklowe Gallery in 2009 for $15,000, this timeless treasure is as lovely now as it was then! In sterling silver over 14 karat yellow gold, with cabochon-cut ga...

This brooch is absolutely stunning! Composed of a handmade, platinum mounting, this beauty is accompanied by Certificate of Authenticity from Oscar Heyman, dated November 14, 2018. ...

Not just for Valentines anymore! This yellow and white gold, 1930's era Tiffany brooch is timeless for any occasion or age. The warm and inviting old European-cut diamonds weigh a total of 2.30 carats and are stated to be VS 1 - VS 2 in clarity. The brooch is secured with a straight pin...

This elegant handcrafted brooch by famed London designer David Morris features 18 karat white gold en tremblant stalks that terminate in brilliant-cut diamonds, set into a center sup...

A striking 18 Karat White Gold Flower Brooch by Yvel of Israel with Keshi Pearls and set with 5.72 carats of diamonds. The pearls have a white body color, excellent to moderate lust...

A stunning, fine and impressive antique 4.65 carat diamond and platinum plaque brooch; part of our diverse antique jewelry and estate jewelry co...

Opal & Diamond Brooch 1 center opal surrounded by 5 large old mine diamonds & 91 small round cut diamonds, suspending a pear shape cabochon opal set with round cut diamonds Cente...

Significant Diamond Flower Brooch 7.65 carats Two Round Brilliant Cut Diamonds Weighing .65 Carats Approximately Two Hundred and Twenty Seven Round Brilliant Cut Diamonds Weighing 7...

A stunning, fine and impressive antique Victorian 5.95 carat opal and 0.35 carat diamond, platinum and 18 carat yellow gold brooch; part of our diverse antique jewelry collections. his stunning, fine and impressive antique brooch has been crafted in platinum with an 18k yellow gold setting. The pierced decorated frame is embellished with a feature 5.95 carat heart shaped cabochon cut opal, 18 ct yellow gold claw set to the centre of the design. The opal is surrounded by thirteen Dutch cut diamonds, individually collet set within an interlacing border. The heart shaped platinum setting is embellished with a Marquess coronet design incorporating ten further collet set Dutch cut diamonds. The brooch secures to the reverse with a hinged pin and clasp, crafted in 15 ct white gold. This stunning Victorian opal and diamond brooch has been independently tested using state of the art technology (Niton XL2 Analyzer) and verified as platinum, 18 and 15 carat gold. This impressive antique heart brooch...

A stunning 14 carat gold brooch. Unusually shaped, perhaps an arrow, or even a fish. Set with many round cut rows of alternating green emeralds and blue sapphires...

Art Deco Opal & Diamond Brooch A platinum and 18 karat white gold brooch set with a center black opal weighing approximately 7.75 carats framed by approxim...