Large Oval Black Onyx Round Diamond Split Shank Filigree Frame Bezel Prong Ring Size 13

Metal: 14K Yellow Gold, stamped
Ring size: 13 (can be resized upon request)
Weight: 15.2 grams
Size: 36.50mm high x 27mm wide
Split shank 22.50mm wide tapering to 13mm, 5.50mm and 2.25mm on bottom
Hallmarked: 14K
Stones: 5mm Round brilliant cut diamond VS2 Clarity G Color
12 Round brilliant cut diamonds 2-2.30mm each VS1-VS2 Clarity
Black Onyx 26mm x 18mm Cabochon 

This is an estate vintage piece in excellent pre-loved condition.  
Please see pictures for reference.