3 Carat Round Lab-Grown Diamonds

Shop certified 3 carat round 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 Round Lab-Grown Diamonds – Page 244

15,657 certified 3 carat round 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. 3.82 Carat Round Lab-Grown Diamond, E VVS2, IGI LG823637333$610
  2. 3.1 Carat Round Lab-Grown Diamond, E VVS2, IGI LG823697492$611
  3. 3.08 Carat Round Lab-Grown Diamond, D VS1, IGI LG825691579$806
  4. 3.09 Carat Round Lab-Grown Diamond, E VVS2, IGI LG826628825$552
  5. 3.08 Carat Round Lab-Grown Diamond, E VS1, IGI LG826632108$539
  6. 3.09 Carat Round Lab-Grown Diamond, E VVS2, IGI LG826652132$552
  7. 3.08 Carat Round Lab-Grown Diamond, D VS1, IGI LG826633113$717
  8. 3.06 Carat Round Lab-Grown Diamond, E VS1, IGI LG826627337$531
  9. 3.08 Carat Round Lab-Grown Diamond, E VVS2, IGI LG828607128$634
  10. 3.09 Carat Round Lab-Grown Diamond, E VVS2, IGI LG828626529$609
  11. 3.09 Carat Round Lab-Grown Diamond, E VVS2, IGI LG828607185$609
  12. 3.08 Carat Round Lab-Grown Diamond, E VVS2, IGI LG834618202$565
  13. 3.74 Carat Round Lab-Grown Diamond, E VVS2, IGI LG834616862$586
  14. 3.69 Carat Round Lab-Grown Diamond, E VVS2, IGI LG835608576$579
  15. 3 Carat Round Lab-Grown Diamond, E VVS2, IGI LG834618230$551
  16. 3.84 Carat Round Lab-Grown Diamond, E VS1, IGI LG835601945$607
  17. 3.09 Carat Round Lab-Grown Diamond, E VS1, IGI LG835614363$546
  18. 3.01 Carat Round Lab-Grown Diamond, E VS1, IGI LG835622485$522
  19. 3.1 Carat Round Lab-Grown Diamond, E VVS2, IGI LG835631419$552
  20. 3.61 Carat Round Lab-Grown Diamond, D fl, igi LG833683762$3,136
  21. 3.16 Carat Round Lab-Grown Diamond, D fl, igi LG833683763$2,154
  22. 3.04 Carat Round Lab-Grown Diamond, E fl, igi LG833637864$1,948
  23. 3.01 Carat Round Lab-Grown Diamond, D fl, igi LG833683760$2,052
  24. 3.01 Carat Round Lab-Grown Diamond, D fl, igi LG833683761$2,052
  25. 3.96 Carat Round Lab-Grown Diamond, E VVS2, IGI LG813692749$633
  26. 3.96 Carat Round Lab-Grown Diamond, E VVS2, IGI LG817616606$633
  27. 3.96 Carat Round Lab-Grown Diamond, E VVS2, IGI LG817673884$633
  28. 3.96 Carat Round Lab-Grown Diamond, E VVS2, IGI LG818607471$633
  29. 3.96 Carat Round Lab-Grown Diamond, E VVS2, IGI LG818695474$633
  30. 3.96 Carat Round Lab-Grown Diamond, E VS1, IGI LG818624219$619
  31. 3.96 Carat Round Lab-Grown Diamond, E VS1, IGI LG819630356$619
  32. 3.96 Carat Round Lab-Grown Diamond, E VS1, IGI LG819608893$626
  33. 3.05 Carat Round Lab-Grown Diamond, D VS1, IGI LG817696303$710
  34. 3.02 Carat Round Lab-Grown Diamond, D VS1, IGI LG820604041$703
  35. 3.03 Carat Round Lab-Grown Diamond, D VS1, IGI LG823608529$788
  36. 3.05 Carat Round Lab-Grown Diamond, D VS1, IGI LG823673093$793
  37. 3 Carat Round Lab-Grown Diamond, D VS1, IGI LG826654896$770
  38. 3.04 Carat Round Lab-Grown Diamond, E VVS2, IGI LG826634557$543
  39. 3.04 Carat Round Lab-Grown Diamond, E VVS2, IGI LG826652004$552
  40. 3.04 Carat Round Lab-Grown Diamond, E VVS2, IGI LG826634679$557
  41. 3.03 Carat Round Lab-Grown Diamond, E VVS2, IGI LG826627349$541
  42. 3.03 Carat Round Lab-Grown Diamond, E VVS2, IGI LG826628948$541
  43. 3.03 Carat Round Lab-Grown Diamond, E VVS2, IGI LG826627217$541
  44. 3.03 Carat Round Lab-Grown Diamond, E VVS2, IGI LG826627382$541
  45. 3.03 Carat Round Lab-Grown Diamond, E VVS2, IGI LG826627339$550
  46. 3.02 Carat Round Lab-Grown Diamond, E VVS2, IGI LG826632263$539
  47. 3.02 Carat Round Lab-Grown Diamond, E VVS2, IGI LG826632112$539
  48. 3.01 Carat Round Lab-Grown Diamond, D VS1, IGI LG826627477$701
  49. 3.02 Carat Round Lab-Grown Diamond, E VVS1, IGI LG826632226$693
  50. 3.05 Carat Round Lab-Grown Diamond, E VVS2, IGI LG826632366$553
  51. 3.04 Carat Round Lab-Grown Diamond, E VVS2, IGI LG826634664$543
  52. 3.03 Carat Round Lab-Grown Diamond, E VVS2, IGI LG826632359$550
  53. 3.02 Carat Round Lab-Grown Diamond, E VVS2, IGI LG826634697$539
  54. 3.02 Carat Round Lab-Grown Diamond, E VVS2, IGI LG826628829$539
  55. 3.03 Carat Round Lab-Grown Diamond, D VS1, IGI LG826632297$706
  56. 3.01 Carat Round Lab-Grown Diamond, D VS1, IGI LG826633086$701
  57. 3 Carat Round Lab-Grown Diamond, D VS1, IGI LG826627081$704
  58. 3.05 Carat Round Lab-Grown Diamond, E VS1, IGI LG826630948$560
  59. 3.04 Carat Round Lab-Grown Diamond, E VS1, IGI LG826631805$558
  60. 3.04 Carat Round Lab-Grown Diamond, E VVS2, IGI LG826631401$543