Art Deco Diamond and Sapphire Octagonal Engagement Ring blackened platinum Within a double surround of

Within a double surround of single-cut diamonds approx

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

25 carats with EGL certificate stating the diamond is J-K color/VS1 clarity

58 carat old European cut diamond

Art Deco Diamond and Sapphire Octagonal Engagement Ring blackened platinum Within a double surround ofCentering 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.