This connection ring features a lab created fancy blue diamond. This diamond is .7 carats, and is around 5 x 7 mm.  The color contrast between the yellow and blue is amazing.  This piece is made to order in your personal size.  Also available in 14 karat white gold.  Choose metal color and size before checkout.  Please reach out to us at 757-808-5228 with any questions or personal requests.