An opal and diamond brooch, circa 1920 The rectangular opal, between bifurcated shoulders of openwork design with single-cut diamond highlights, length 4.3cm.
Opal pin with abalone, tanzanite, pariaba, spinel, and diamonds - Patrick Murphy
MOURNING JEWELRY~ Bracelet de deuil avec médaillonsor, émail, perles, diamants - 1860 - Victoria & Albert Museum
White Australian Opal Diamond Engagement Ring - Solid 14kt Yellow Gold
CARTIER. Broche en or gris ornée d'opales dans un entourage de diamants de taille huit-huit et de saphirs, rubis et améthystes cabochons. photo Aguttes
Rare and Stunning Red on black opal set in 18k gold
Boulder opal pendant in its beginning phase of design. Designed by jennifer kalled; boulder opal from Bill Kasso, Eagle Creek Opals.
an exceptional and rare diamond, gold, enamel moth brooch, by rené lalique, circa 1900.
Very Rare Heirloom Art Deco Black Opal and Diamond Necklace_Circa 1925, featuring a spectacular teardrop-shaped, high domed, black opal weighing approximately 6.50 to 7carats, bezel-set on a milegrained and pierced platinum frame set with diamonds, suspended from a platinum and 14 karat white gold, 17 1/2" long diamond chain. Forty-seven diamonds in all totaling approximately 1.50 carats, the pendant portion approximately 1 1/2" long and 3/4" wide.