Art Deco Diamond and Sapphire Octagonal Engagement Ring blackened platinum Opals are back and this

Opals are back and this one exhibits a lot of soft oranges with accents of blue and green

Accented with single cut diamonds throughout setting

With round diamond shoulders and platinum setting

58 carat old European cut diamond

33 carat old European cut diamond with millegraine and a ribbon motif circa 1910

Art Deco Diamond and Sapphire Octagonal Engagement Ring blackened platinum Opals are back and thisCentering upon a transitional cut diamond of approximately . 50 carat, with a calibr cut sapphire surround, then a single cut diamond surround. Mounted in millegrain platinum. Circa 1930. One of our personal favorites, the sapphire halo, delicate band, and low profile make this ring spectacularly unique and easy to wear. Diamond and gold mining has caused devastation in areas such as Africa, wreaking havoc on delicate ecosystems and communities.