An antique opal and diamond ring, the oval solid white opal cut en cabochon, flanked by two old rose cut diamonds, mounted in 15ct gold, hallmarked, ring size S. Condition: ring presents in good condition and stones are secure in their settings. shank has full hallmarks but is quite thin. Some repair has occured to the inside of the shoulders,
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- Cabochon Cut in Jewellery - A cabochon cut is a type of gemstone cutting where the stone is cut and polished in a convex shape with a flat bottom and a domed top, with no facets. This type of cut is typically used for opaque or translucent stones that have natural patterns or inclusions that are best displayed in this type of cut. Examples of stones that are often cut as cabochons include turquoise, opal, and moonstone.
- 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.
- Shank - In jewellery, the shank of a ring is the hoop which encirles the finger.
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