18ct Twin Portrait Ring with Royal Provenance
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Late 18th century 18ct yellow & silver twin portrait ring, twin hand-painted oval miniature portraits in a diamond, ruby and sapphire setting. Crown and heart design ring. The band, back of setting, and settings for the rubies, sapphire and portraits in gold, the rose cut diamonds set in silver. Portraits of Marie Antoinette and her sister (one image as inspected). 30 diamonds, 11 rubies and 5 sapphires, size 'L' W5.06g (approx.). Provenance: Count Louis de Castelvecchio (1826-1869), Son of King Louis Bonaparte of Holland (Napoleon's brother); thence by direct descent to current owner. Private Collection, ACT (Canberra).
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- A/f, as Inspected - The letters "A/F" or "as inspected" as part of a description is the cataloguer's shorthand for "all faults" or "as found", meaning the item has some type of damage or deficiency, it is of uncertain date or provenance, and/or that the seller takes no responsibility for the completeness of the item or the accuracy of the description.
- Rose Cut - A flat based cut for a preious stone, leaving the surface covered with triangular facets, usually 24 in total.
It was introduced in the 15th century and popular during the 16th and 17th centuries.
The rose cut was the most popular form of diamond cut until the discovery of the brilliant cut at the end of the 17th century, after which its use declined.
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