Antique Size 7 House of kraus designer jewelry company Operated between 1934-1974 In Pittsburgh, PA (with this makers mark) MARKED 10k and H of K maker Solid yellow gold A hot pink Ruby Lindy star 6 points Natural 9x7mm or @1.55ct Cabochon A curled halo of gold as the setting Stone has a flat back, not concave like lab star sapphires Stone has a rough underside not smooth like a lab Star does not stay in one place, but dances and moves with the light and it’s not a perfect star like lab stones. however I know they have the “deep fake” lab ones that look real. And I’m unsure if this is one of those? Selling as is either way this is just simply stunning. There are actually 8 points in certain angles that show up. Stone tests as a diamond so it’s a ruby It’s a deep hot pink/red mixed color not a light pink trasnlucent color like a pink star sapphire Glows in UV light like a ruby Selling as is. In excellent antique condition. Stone is secure and band is round. Well cared for. Wear on band is consistent with the age. Weight is 2.28 grams Setting is 9.8x7.8mm and sits 6mm tall Band is 1.2-1.5mm wide ascending & 3-1.5mm wide descending No returns. As is. I ship daily Offers welcomed Check my page for more! Thanks