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 25

15,247 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. 3.79 Carat Round Lab-Grown Diamond, G VS2, IGI LG620483526$457
  2. 3.79 Carat Round Lab-Grown Diamond, G VS2, IGI LG621404110$461
  3. 3.83 Carat Round Lab-Grown Diamond, G VS2, IGI LG621408976$466
  4. 3.77 Carat Round Lab-Grown Diamond, G VS2, IGI LG621433829$459
  5. 3.84 Carat Round Lab-Grown Diamond, G VS2, IGI LG621475486$462
  6. 3.77 Carat Round Lab-Grown Diamond, G VS2, IGI LG621478328$463
  7. 3.81 Carat Round Lab-Grown Diamond, G VS2, IGI LG622460006$459
  8. 3.09 Carat Round Lab-Grown Diamond, F VS2, GIA 6492537421$884
  9. 3.84 Carat Round Lab-Grown Diamond, G VS2, IGI LG623459781$462
  10. 3.00 Carat Round Lab-Grown Diamond, F SI1, IGI LG620459036$386
  11. 3.65 Carat Round Lab-Grown Diamond, G SI1, IGI LG623496987$711
  12. 3.73 Carat Round Lab-Grown Diamond, H VS2, IGI LG634497251$446
  13. 3.77 Carat Round Lab-Grown Diamond, G VS2, IGI LG637458737$459
  14. 3.75 Carat Round Lab-Grown Diamond, G VS2, IGI LG638499456$457
  15. 3.81 Carat Round Lab-Grown Diamond, G VS2, IGI LG622494642$459
  16. 3.01 Carat Round Lab-Grown Diamond, E SI1, IGI LG635406515$411
  17. 3.82 Carat Round Lab-Grown Diamond, G VS2, IGI LG636475125$465
  18. 3.02 Carat Round Lab-Grown Diamond, J VS2, IGI LG478118395$483
  19. 3.01 Carat Round Lab-Grown Diamond, J VS2, IGI LG478118406$481
  20. 3.01 Carat Round Lab-Grown Diamond, J VS2, IGI LG478118537$481
  21. 3.01 Carat Round Lab-Grown Diamond, J VS2, IGI LG485136503$6,450
  22. 3.01 Carat Round Lab-Grown Diamond, J VS2, IGI LG488146983$481
  23. 3.10 Carat Round Lab-Grown Diamond, J VS2, IGI LG502151810$556
  24. 3.84 Carat Round Lab-Grown Diamond, G VS2, IGI LG614398439$462
  25. 3.83 Carat Round Lab-Grown Diamond, G VS2, IGI LG615346863$461
  26. 3.1 Carat Round Lab-Grown Diamond, G SI1, IGI LG627411219$349
  27. 3.79 Carat Round Lab-Grown Diamond, H VS2, IGI LG627411577$449
  28. 3.78 Carat Round Lab-Grown Diamond, G VS2, IGI LG627426936$456
  29. 3.82 Carat Round Lab-Grown Diamond, G VS2, IGI LG627444013$460
  30. 3.79 Carat Round Lab-Grown Diamond, G VS2, IGI LG627476371$457
  31. 3.78 Carat Round Lab-Grown Diamond, G VS2, IGI LG627476390$456
  32. 3.83 Carat Round Lab-Grown Diamond, G VS2, IGI LG627476495$461
  33. 3.74 Carat Round Lab-Grown Diamond, G VS2, IGI LG628461110$455
  34. 3.82 Carat Round Lab-Grown Diamond, G VS2, IGI LG628481441$460
  35. 3.76 Carat Round Lab-Grown Diamond, F VS2, IGI LG675517994$2,283
  36. 3.06 Carat Round Lab-Grown Diamond, E SI1, GIA 5483840587$1,081
  37. 3.08 Carat Round Lab-Grown Diamond, E VS2, GIA 7508310336$1,073
  38. 3.59 Carat Round Lab-Grown Diamond, G SI1, IGI LG474141681$10,497
  39. 3.19 Carat Round Lab-Grown Diamond, D SI1, IGI LG528228505$570
  40. 3.63 Carat Round Lab-Grown Diamond, G VS2, IGI LG569396165$12,342
  41. 3.57 Carat Round Lab-Grown Diamond, E IF, IGI LG579301141$1,449
  42. 3.40 Carat Round Lab-Grown Diamond, G IF, IGI LG579359348$966
  43. 3.51 Carat Round Lab-Grown Diamond, D IF, IGI LG582360513$1,641
  44. 3.12 Carat Round Lab-Grown Diamond, G IF, IGI LG591311621$796
  45. 3.39 Carat Round Lab-Grown Diamond, E VVS1, IGI LG598371170$858
  46. 3.20 Carat Round Lab-Grown Diamond, F VVS1, IGI LG598388837$700
  47. 3.20 Carat Round Lab-Grown Diamond, E IF, IGI LG601323760$934
  48. 3.12 Carat Round Lab-Grown Diamond, D IF, IGI LG616491086$1,032
  49. 3.21 Carat Round Lab-Grown Diamond, E IF, IGI LG617450052$937
  50. 3.66 Carat Round Lab-Grown Diamond, E IF, IGI LG622472997$1,653
  51. 3.50 Carat Round Lab-Grown Diamond, H VVS1, IGI LG623477837$805
  52. 3.06 Carat Round Lab-Grown Diamond, F VVS1, IGI LG625439433$670
  53. 3.81 Carat Round Lab-Grown Diamond, G VS2, IGI LG628439615$459
  54. 3.12 Carat Round Lab-Grown Diamond, D VVS1, IGI LG638445532$816
  55. 3.12 Carat Round Lab-Grown Diamond, D VVS1, IGI LG659434541$816
  56. 3.55 Carat Round Lab-Grown Diamond, E VS2, IGI LG667450757$561
  57. 3.11 Carat Round Lab-Grown Diamond, D IF, IGI LG675580709$1,028
  58. 3.02 Carat Round Lab-Grown Diamond, D IF, IGI LG675580723$1,000
  59. 3.31 Carat Round Lab-Grown Diamond, D VVS1, IGI LG681515651$788
  60. 3.17 Carat Round Lab-Grown Diamond, D IF, IGI LG681593709$945