VINTAGE STYLE ART DECO DIAMOND HALO ENGAGEMENT RING SETTING OVAL 10x8 3ct MOUNTFeatured here is a gorgeous Art Deco inspired semi mount diamond halo ring! This alluring piece will make a wonderful engagement or cocktail ring, once set with a center stone. The center mounting has been designed for an oval shaped stone that measures 10mm by 8mm being ideal though the minimum size is approximately 9. 6 x 7. 6mm and maximum approximately 10. 8mmx8. 6mm. Complementing the center mounting are thirty eight fully faceted round cut