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 310

18,813 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. 3.36 Carat Round Lab-Grown Diamond, D FL, IGI LG840634512$1,759
  2. 3.78 Carat Round Lab-Grown Diamond, D FL, IGI LG840634513$2,316
  3. 3.46 Carat Round Lab-Grown Diamond, D FL, IGI LG836616521$1,812
  4. 3.15 Carat Round Lab-Grown Diamond, D FL, IGI LG836616506$1,649
  5. 3.77 Carat Round Lab-Grown Diamond, E FL, IGI LG836616489$2,281
  6. 3.94 Carat Round Lab-Grown Diamond, D FL, IGI LG836616492$2,412
  7. 3.79 Carat Round Lab-Grown Diamond, D FL, IGI LG836616522$2,322
  8. 3 Carat Round Lab-Grown Diamond, D FL, IGI LG840634516$1,612
  9. 3.07 Carat Round Lab-Grown Diamond, E FL, IGI LG836614586$1,618
  10. 3.82 Carat Round Lab-Grown Diamond, D FL, IGI LG836614572$2,340
  11. 3.76 Carat Round Lab-Grown Diamond, D FL, IGI LG836614575$2,304
  12. 3.17 Carat Round Lab-Grown Diamond, D FL, IGI LG836616540$1,660
  13. 3.09 Carat Round Lab-Grown Diamond, D VVS2, GCAL 362876033$1,295
  14. 3.21 Carat Round Lab-Grown Diamond, F VVS2, IGI LG835639344$491
  15. 3.03 Carat Round Lab-Grown Diamond, E VVS2, IGI LG846641031$507
  16. 3.66 Carat Round Lab-Grown Diamond, E VS1, IGI LG846654480$494
  17. 3.00 Carat Round Lab-Grown Diamond, E VS1, IGI LG848615060$675
  18. 3.01 Carat Round Lab-Grown Diamond, E VVS2, IGI LG846660268$552
  19. 3.45 Carat Round Lab-Grown Diamond, F SI1, IGI LG778610675$427
  20. 3.01 Carat Round Lab-Grown Diamond, D VVS2, IGI LG837697384$682
  21. 3.09 Carat Round Lab-Grown Diamond, D VS1, IGI LG841664638$631
  22. 3.09 Carat Round Lab-Grown Diamond, D VS1, IGI LG842603472$631
  23. 3.50 Carat Round Lab-Grown Diamond, D VVS2, IGI LG844638919$841
  24. 3.55 Carat Round Lab-Grown Diamond, D VVS2, IGI LG844662952$841
  25. 3.01 Carat Round Lab-Grown Diamond, D VVS2, IGI LG844671942$722
  26. 3.00 Carat Round Lab-Grown Diamond, D VS2, IGI LG845670830$539
  27. 3.05 Carat Round Lab-Grown Diamond, E SI1, IGI LG845699857$388
  28. 3.53 Carat Round Lab-Grown Diamond, E VVS2, IGI LG844685054$634
  29. 3.02 Carat Round Lab-Grown Diamond, E VVS2, IGI LG846638155$542
  30. 3.02 Carat Round Lab-Grown Diamond, E VS1, IGI LG844685013$537
  31. 3.06 Carat Round Lab-Grown Diamond, E VS1, IGI LG846638160$544
  32. 3.03 Carat Round Lab-Grown Diamond, D VVS2, IGI LG846638161$742
  33. 3.04 Carat Round Lab-Grown Diamond, D VVS2, IGI LG846638166$745
  34. 3.03 Carat Round Lab-Grown Diamond, E VVS2, IGI LG846638170$544
  35. 3.89 Carat Round Lab-Grown Diamond, E VS1, IGI LG773623416$617
  36. 3.89 Carat Round Lab-Grown Diamond, E VS1, IGI LG804610124$617
  37. 3.00 Carat Round Lab-Grown Diamond, H VS1, IGI LG825655402$528
  38. 3.01 Carat Round Lab-Grown Diamond, G VS1, IGI LG825655403$445
  39. 3.03 Carat Round Lab-Grown Diamond, E SI1, IGI LG825655496$466
  40. 3.05 Carat Round Lab-Grown Diamond, F VS1, IGI LG825655497$472
  41. 3.06 Carat Round Lab-Grown Diamond, G VVS1, IGI LG825655498$574
  42. 3.01 Carat Round Lab-Grown Diamond, D VVS1, IGI LG842652426$874
  43. 3.10 Carat Round Lab-Grown Diamond, D VVS2, IGI LG844635942$806
  44. 3 Carat Round Lab-Grown Diamond, D VS1, IGI LG845617828$617
  45. 3.11 Carat Round Lab-Grown Diamond, G VS1, GIA 1493184108$1,568
  46. 3.35 Carat Round Lab-Grown Diamond, D VS2, GIA 1507710030$1,406
  47. 3.17 Carat Round Lab-Grown Diamond, E VS2, GIA 2497317758$986
  48. 3.11 Carat Round Lab-Grown Diamond, E VS2, GIA 6472897060$949
  49. 3.13 Carat Round Lab-Grown Diamond, E VS2, GIA 6482976285$946
  50. 3.08 Carat Round Lab-Grown Diamond, F VS1, GIA 6485658193$920
  51. 3.08 Carat Round Lab-Grown Diamond, E VS2, GIA 7501664467$953
  52. 3.10 Carat Round Lab-Grown Diamond, E VS2, GIA 7508143930$946
  53. 3.45 Carat Round Lab-Grown Diamond, E VS1, IGI LG698553042$535
  54. 3.54 Carat Round Lab-Grown Diamond, D VVS2, IGI LG846665305$781
  55. 3.62 Carat Round Lab-Grown Diamond, E VS2, GIA 1475563802$997
  56. 3.09 Carat Round Lab-Grown Diamond, E VS2, GIA 1487977151$946
  57. 3.73 Carat Round Lab-Grown Diamond, E VS2, GIA 2477107527$1,047
  58. 3.22 Carat Round Lab-Grown Diamond, E VS2, GIA 2496488584$1,001
  59. 3.19 Carat Round Lab-Grown Diamond, E VS2, GIA 6501076638$991
  60. 3.10 Carat Round Lab-Grown Diamond, E VS2, GIA 6505820039$946