3 Carat Marquise Lab-Grown Diamonds

Shop certified 3 carat marquise lab-grown diamonds at William & Sons Jewelers. Every stone is graded by IGI or GIA, shown in 360°, priced below the big online retailers and ships free.

All 3 Carat Marquise Lab-Grown Diamonds – Page 246

14,708 certified 3 carat marquise lab-grown diamonds in stock. Every stone ships free with its grading report; open any listing for the 360° view, full certificate and price.

  1. 3.58 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG848632739$623
  2. 3.58 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG848632740$623
  3. 3.00 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG849667513$573
  4. 3.07 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG799618154$634
  5. 3.08 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG799618160$637
  6. 3.05 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG813602675$631
  7. 3.02 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG848691104$567
  8. 3.02 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG850605308$515