Loose Lab Diamonds › Oval Cut | 1 ct | D VS1 | IGI Certifed Image 1 of 1 Oval Cut | 1 ct | D VS1 | IGI Certifed $290.00 Oval shape lab grown diamond. 1 ct, D color, VS1 Clarity. IGI Certified. All sales are final. Quantity: Add To Cart Added! Oval shape lab grown diamond. 1 ct, D color, VS1 Clarity. IGI Certified. All sales are final.