At the center is a brilliant diamond weighing over half a carat

this was crafted in the late 1800's and likely set with a diamond or sapphire

Gem: Ethiopian Opal 18

this would make a lovely pendant as well

Cameo Size: 30mm x 23 mm

Solid and Bold, Asymmetrical Retro Design Fine Diamond Cocktail Ring Size 4.75 At the center is aA classic design reminiscent Retro Era, the asymmetrical style of this weighty ring creates a flowing profile on the finger. The diamonds are bright and extremely high quality, cut in to perfectly shining baguettes and marquise. Rich yellow 18K gold surrounds them, making a secure, sophisticated mounting that will transition well from day to evening and be a favorite for decades to come. Metal: 18K Yellow Gold Gem: 3 Marquise Diamonds totaling . 24