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 198

11,832 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. 3.00 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG845670822$616
  2. 3.50 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG846652721$685
  3. 3.51 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG846652723$686
  4. 3.04 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG846694274$641
  5. 3.36 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG846694409$706
  6. 3.33 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG846694438$644
  7. 3.52 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG847676199$1,229
  8. 3.00 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG848629857$574
  9. 3.01 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG848651788$150,931
  10. 3.02 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG848651789$137,474
  11. 3.00 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG849623245$574
  12. 3.24 Carat Marquise Lab-Grown Diamond, F SI1, IGI LG692574139$557