VINTAGE STYLE DIAMOND CALIBRE CUT SAPPHIRE HALO ENGAGEMENT RING SETTING TARGETFeatured here is a remarkable halo ring setting with diamonds and custom cut sapphires! This beautiful setting was inspired by the Art Deco era and it will be a perfect showcase for any center stone. This setting fits a round stone from 7. 0mm 7. 3mm with about 7mm being ideal. Even though 7. 3mm can fit, it is an aggressive fit and not all setters are able to setting a stone like this as it would require carefully removing some metal around the