- Centering an oval shaped opal cabochon measuring 5.0 x 6.0 mm
- Black in body color with spectral play-of-color - set with talon prongs
- With a halo surround comprised of old European cut diamonds
- With additional diamonds bead set in shoulders
- Weighing approximately 0.42 carat total
- H/J color with VS2 clarity
- All set in platinum-topped head
- Tested as 18 karat gold and platinum
- Circa: 1910
- Ring size: 5 1/2 and sizable
- Measures north to south 9.5 mm and sits 4.5 mm high
- Total weight: 1.9 grams
- Stock Number: We-12042
Edwardian 0.42 CTW Opal Diamond Platinum 18 Karat Yellow Gold Antique Halo Ring
