Check the listing for details. Star Ruby Ring 925 Sterling Silver Blooming Flower Band (10mm Lab Created). Condition: New with tags. Listed at 148.00 USD. Fascinating Brilliance! This stone is reminiscent of the vintage “Lindy” synthetic Star Ruby of the 50s thru 70s. The star effect, known as an “asterism”, is more defined in a lab-grown Ruby. They are identical in chemical composition, brilliance, and physical appearance as their natural counterpart, however they have fewer flaws, are not mined from the ground, and are much less expensive. They are an extremely durable stone with a Mohs scale hardness or 9 (a Diamond is 10)This ring features a 10mm lab created Star Ruby, Crown bezel mounted on a 4.8mm wide 925 Sterling Silver Blooming Flower pattern band. Oxidized to a Vintage Silver Finish. Ring sizer included. Shipped in gift box.Please note that the star effect or "asterism" of a Star Ruby, is not a fixed element. It is the result of direct light, artificial or natural. The brighter the light source, the brighter the star display. In low light or shaded settings the star will be less visible. All photos are taken with direct light.