Sotheby’s, NY, 09-20-2012: 18 kt. Gold, Fire Opal and Diamond Ring, Sifen Chang


18 Karat Blackened Gold, Fire Opal and Diamond Ring, Sifen Chang Estimate: 18,000 – 22,000 USD Centered by a fire opal weighing 16.35 carats, framed by flowers set with round diamonds weighing 3.12 carats, size 6, signed with Chinese characters for Sifen Chang. With signed box. This ring just caught my eye. I love opals […]

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Opal References in Antique Gemological Books

Opal stories, superstitions and titbits Roman Senator Nonius outlawed over Opal Discussion on Opal Superstition in 16th century and how they were reinstated by Queen Victoria Overpriced Mexican Opals for Tourists (1887) Opal References before 1700 Georg Agricola (1652) on Opals Nicols (1652) on Opals Tavernier on Hungarian and Indian Opals Albertus Magnus Sir Isaac […]

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