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| An art nouveau 18 karat gold, black opal, and enamel pendant, circa 1900. |
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| An 18 karat gold, diamond, opal and enamel locket bracelet. |
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| An 18 karat two color gold, opal, ruby, sapphire and emerald pendant necklace by Buccellati. |
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| An 18 karat white gold, green opal and diamond ring and earring set, by Sifen Chang. |
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| An opal and diamond brooch from 1890. |
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| An early 20th century opal, diamond and sapphire brooch by Dreicer. |
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| An art nouveau gold, platinum, opal, diamond and plique-a-jour enamel pendant by Paul Robin, France, circa 1900. |
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| A black opal and diamond pendant necklace, early 20th century. |
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| A black opal and diamond pendant necklace and ring. |
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| A diamond and fire opal pendant, circa 1910. |
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| An art nouveau enamel, opal, diamond and enamel pendant by Guillemin Freres, circa 1900. |
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| A fire opal and diamond parure made up of earrings, pendant, ring and bracelet. |
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| Fire opal and diamond bracelet and earrings, circa 1930's. |
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| A fire opal and enamel brooch, circa 1900. |