1 Carat Radiant Diamonds for sale. At Shira Diamonds Dallas we have over 100s of radiant cut diamonds. Shira Diamonds Dallas is the only true diamond wholesale diamond dealer to the public. We have 1 carat radiant diamonds with GIA certificates, EGL USA certificates, and EGL ISRAEL certificates. This radiant cut diamond is white and eye clean and comes with an EGL USA Certificate. All of our diamonds are conflict free. If you would like to view this 1 carat radiant cut diamond with F color and VS1 Clarity Call us for an appointment at 214-336-8629 Call us free!