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 21

15,574 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. 3.20 Carat Round Lab-Grown Diamond, I VVS2, IGI LG638428402$426
  2. 3.58 Carat Round Lab-Grown Diamond, F VS2, GIA 6492215832$1,366
  3. 3.25 Carat Round Lab-Grown Diamond, D IF, IGI LG685552780$1,569
  4. 3.92 Carat Round Lab-Grown Diamond, D VVS1, GIA 7518459153$3,769
  5. 3.66 Carat Round Lab-Grown Diamond, E VS1, GIA 7513215970$1,348
  6. 3.39 Carat Round Lab-Grown Diamond, D IF, IGI LG680579980$941
  7. 3.50 Carat Round Lab-Grown Diamond, E VS2, IGI LG618458058$515
  8. 3.46 Carat Round Lab-Grown Diamond, F VS1, IGI LG665421867$469
  9. 3.46 Carat Round Lab-Grown Diamond, F VS1, IGI LG665421870$469
  10. 3.14 Carat Round Lab-Grown Diamond, E VS1, IGI LG685540865$498
  11. 3.69 Carat Round Lab-Grown Diamond, E VS1, IGI LG685582129$592
  12. 3.43 Carat Round Lab-Grown Diamond, F VS1, IGI LG665421872$466
  13. 3.53 Carat Round Lab-Grown Diamond, E VVS1, GIA 2517451230$2,179
  14. 3.19 Carat Round Lab-Grown Diamond, D SI1, HRD 250000032736$576
  15. 3.58 Carat Round Lab-Grown Diamond, E IF, IGI LG589309986$1,617
  16. 3.05 Carat Round Lab-Grown Diamond, G VS2, IGI LG589386742$1,504
  17. 3.87 Carat Round Lab-Grown Diamond, F VS2, IGI LG610331773$2,349
  18. 3.80 Carat Round Lab-Grown Diamond, D VVS1, IGI LG635412379$1,308
  19. 3.07 Carat Round Lab-Grown Diamond, D VS2, GIA 1489753809$3,519
  20. 3.29 Carat Round Lab-Grown Diamond, D VS2, GIA 2494045054$3,756
  21. 3.00 Carat Round Lab-Grown Diamond, D VS2, GIA 2496171934$3,444
  22. 3.01 Carat Round Lab-Grown Diamond, E VS2, GIA 7488484741$3,125
  23. 3.81 Carat Round Lab-Grown Diamond, H VS2, IGI LG620403957$455
  24. 3.01 Carat Round Lab-Grown Diamond, F VS2, IGI LG625448311$1,833
  25. 3.52 Carat Round Lab-Grown Diamond, G VS2, IGI LG625473073$1,837
  26. 3.78 Carat Round Lab-Grown Diamond, G VS2, IGI LG629408592$456
  27. 3.79 Carat Round Lab-Grown Diamond, G VS2, IGI LG629474793$457
  28. 3.01 Carat Round Lab-Grown Diamond, D SI2, IGI LG480157693$539
  29. 3.23 Carat Round Lab-Grown Diamond, E SI1, IGI LG488147544$628
  30. 3.03 Carat Round Lab-Grown Diamond, G SI1, IGI LG542211704$564
  31. 3.59 Carat Round Lab-Grown Diamond, H VS2, IGI LG630431621$433
  32. 3.51 Carat Round Lab-Grown Diamond, D VS2, IGI LG683534294$563
  33. 3.09 Carat Round Lab-Grown Diamond, F VS2, GIA 1488356594$884
  34. 3.20 Carat Round Lab-Grown Diamond, D VS2, GIA 1493511894$1,180
  35. 3.08 Carat Round Lab-Grown Diamond, E VS2, GIA 1499258401$878
  36. 3.37 Carat Round Lab-Grown Diamond, F VS2, GIA 1509691405$964
  37. 3.10 Carat Round Lab-Grown Diamond, E VS2, GIA 2497168239$884
  38. 3.47 Carat Round Lab-Grown Diamond, E VS2, GIA 2504691300$986
  39. 3.75 Carat Round Lab-Grown Diamond, F VS2, GIA 5503966256$1,068
  40. 3.49 Carat Round Lab-Grown Diamond, E VS2, GIA 5516083769$990
  41. 3.81 Carat Round Lab-Grown Diamond, E VS2, GIA 6472208962$1,078
  42. 3.07 Carat Round Lab-Grown Diamond, F VS2, GIA 6482771306$880
  43. 3.09 Carat Round Lab-Grown Diamond, E VS2, GIA 6482903452$880
  44. 3.08 Carat Round Lab-Grown Diamond, F VS2, GIA 6485771093$882
  45. 3.08 Carat Round Lab-Grown Diamond, F VS2, GIA 6491327105$882
  46. 3.10 Carat Round Lab-Grown Diamond, F VS2, GIA 6492000808$888
  47. 3.10 Carat Round Lab-Grown Diamond, E VS2, GIA 6492002335$884
  48. 3.40 Carat Round Lab-Grown Diamond, E VS2, GIA 6501542746$966
  49. 3.22 Carat Round Lab-Grown Diamond, E VS2, GIA 6501691296$916
  50. 3.76 Carat Round Lab-Grown Diamond, E VS2, GIA 6502008189$1,066
  51. 3.72 Carat Round Lab-Grown Diamond, E VS2, GIA 6515083814$1,054
  52. 3.08 Carat Round Lab-Grown Diamond, E VS2, GIA 7456925869$878
  53. 3.74 Carat Round Lab-Grown Diamond, F VS2, GIA 7482201839$1,066
  54. 3.04 Carat Round Lab-Grown Diamond, E VS2, GIA 7482444272$866
  55. 3.42 Carat Round Lab-Grown Diamond, E VS2, GIA 7501691218$972
  56. 3 Carat Round Lab-Grown Diamond, I SI2, IGI LG499190405$5,952
  57. 3.41 Carat Round Lab-Grown Diamond, F VS1, IGI LG614398334$572
  58. 3.43 Carat Round Lab-Grown Diamond, F VS1, IGI LG615341080$564
  59. 3.82 Carat Round Lab-Grown Diamond, F VS1, IGI LG615341118$608
  60. 3.81 Carat Round Lab-Grown Diamond, F VS1, IGI LG620414990$623