The Antonia Man Made Ruby 4 Carat Oval Gemstone Halo Round Pendant laboratory grown diamond alternative cubic zirconia is simply timeless! It features a 4 carat 12x10mm oval framed by a halo of cubic zirconia rounds. The pendant measures approximately 1 inch in length including the bail and just under 3/4 of an inch in width. The total carat weight is approximately 5.75 carats of the finest hand cut and hand polished Russian formula lab grown diamond look cubic zirconia. This pendant is available with the option of a diamond look pear, a simulated canary diamond pear, or a simulated pink pear cubic zirconia. You can also choose from a man made emerald, man made sapphire or man made ruby pear color. This pendant comes standard with a 16 inch fine rope chain and an upgrade to an 18 inch necklace length is available. Please see the pull down menu for options. For further assistance, please call us directly at 1-866-942-6663 or visit us via live chat and speak with a knowledgeable representative.