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 34

15,392 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. 3.15 Carat Round Lab-Grown Diamond, H SI1, IGI LG642473486$432
  2. 3.08 Carat Round Lab-Grown Diamond, E VS2, GIA 1469709066$878
  3. 3.43 Carat Round Lab-Grown Diamond, E VS2, GIA 3465060939$974
  4. 3.10 Carat Round Lab-Grown Diamond, D IF, IGI LG696589527$1,655
  5. 3.31 Carat Round Lab-Grown Diamond, H VVS2, IGI LG668408772$451
  6. 3.05 Carat Round Lab-Grown Diamond, E VVS2, IGI LG698527685$650
  7. 3.35 Carat Round Lab-Grown Diamond, F VS2, GIA 6501966438$958
  8. 3.03 Carat Round Lab-Grown Diamond, H VVS2, IGI LG653408993$422
  9. 3.52 Carat Round Lab-Grown Diamond, D FL, GIA 2494528827$20,316
  10. 3.04 Carat Round Lab-Grown Diamond, D VS1, IGI LG698544991$699
  11. 3.03 Carat Round Lab-Grown Diamond, E VS1, IGI LG698529698$595
  12. 3.04 Carat Round Lab-Grown Diamond, D VS1, IGI LG698544820$699
  13. 3.54 Carat Round Lab-Grown Diamond, E VVS1, GIA 3515912037$1,736
  14. 3.99 Carat Round Lab-Grown Diamond, F VS1, IGI LG644479686$633
  15. 3.35 Carat Round Lab-Grown Diamond, E VS1, IGI LG690524673$797
  16. 3.17 Carat Round Lab-Grown Diamond, D VS1, IGI LG692583711$943
  17. 3.71 Carat Round Lab-Grown Diamond, G VS2, IGI LG694510570$591
  18. 3.22 Carat Round Lab-Grown Diamond, G VS1, GIA 7518181635$1,201
  19. 3.10 Carat Round Lab-Grown Diamond, D IF, IGI LG698541657$1,498
  20. 3.05 Carat Round Lab-Grown Diamond, D IF, IGI LG698556624$1,474
  21. 3.39 Carat Round Lab-Grown Diamond, D VVS1, IGI LG630456446$1,750
  22. 3.06 Carat Round Lab-Grown Diamond, D VVS2, IGI LG631438987$797
  23. 3.52 Carat Round Lab-Grown Diamond, D VVS2, IGI LG631438988$1,105
  24. 3.03 Carat Round Lab-Grown Diamond, E VVS2, IGI LG681547761$972
  25. 3.02 Carat Round Lab-Grown Diamond, E VS1, IGI LG689543262$893
  26. 3.03 Carat Round Lab-Grown Diamond, D IF, IGI LG694527896$1,002
  27. 3.10 Carat Round Lab-Grown Diamond, D IF, IGI LG694527899$1,025
  28. 3.11 Carat Round Lab-Grown Diamond, D VVS1, IGI LG694527900$813
  29. 3.61 Carat Round Lab-Grown Diamond, D VVS1, IGI LG694527902$1,245
  30. 3.19 Carat Round Lab-Grown Diamond, D IF, IGI LG696559459$1,054
  31. 3.24 Carat Round Lab-Grown Diamond, D VS1, IGI LG696559460$722
  32. 3.73 Carat Round Lab-Grown Diamond, F VS1, IGI 629483461$582
  33. 3.68 Carat Round Lab-Grown Diamond, E VS1, IGI LG691541004$604
  34. 3.68 Carat Round Lab-Grown Diamond, E VS1, IGI LG691575460$604
  35. 3.65 Carat Round Lab-Grown Diamond, E VS1, IGI LG692502277$600
  36. 3.69 Carat Round Lab-Grown Diamond, E VS1, IGI LG692515519$604
  37. 3.33 Carat Round Lab-Grown Diamond, E SI1, IGI LG692504159$447
  38. 3.54 Carat Round Lab-Grown Diamond, E SI1, IGI LG692515517$484
  39. 3.89 Carat Round Lab-Grown Diamond, F VS2, IGI LG694522352$565
  40. 3.41 Carat Round Lab-Grown Diamond, E VS2, IGI LG695521728$509
  41. 3.28 Carat Round Lab-Grown Diamond, D IF, IGI LG693507788$1,107
  42. 3.25 Carat Round Lab-Grown Diamond, D IF, IGI LG693507814$1,098
  43. 3.61 Carat Round Lab-Grown Diamond, D IF, IGI LG693507816$1,466
  44. 3.50 Carat Round Lab-Grown Diamond, D IF, IGI LG694506534$1,421
  45. 3.35 Carat Round Lab-Grown Diamond, D IF, IGI LG694506578$1,131
  46. 3.83 Carat Round Lab-Grown Diamond, D IF, IGI LG694558132$1,553
  47. 3.11 Carat Round Lab-Grown Diamond, D IF, IGI LG694558134$1,051
  48. 3.40 Carat Round Lab-Grown Diamond, D IF, IGI LG694558135$1,147
  49. 3.36 Carat Round Lab-Grown Diamond, D IF, IGI LG694558219$1,134
  50. 3.37 Carat Round Lab-Grown Diamond, D IF, IGI LG695509621$1,137
  51. 3.07 Carat Round Lab-Grown Diamond, D IF, IGI LG695509624$1,039
  52. 3.16 Carat Round Lab-Grown Diamond, D IF, IGI LG696511443$1,068
  53. 3.13 Carat Round Lab-Grown Diamond, E IF, IGI LG696511465$1,035
  54. 3.51 Carat Round Lab-Grown Diamond, D IF, IGI LG696511470$1,425
  55. 3.76 Carat Round Lab-Grown Diamond, D IF, IGI LG696511471$1,525
  56. 3.59 Carat Round Lab-Grown Diamond, D IF, IGI LG696550211$1,457
  57. 3.53 Carat Round Lab-Grown Diamond, D IF, IGI LG696550213$1,434
  58. 3.02 Carat Round Lab-Grown Diamond, D IF, IGI LG696550216$1,022
  59. 3.01 Carat Round Lab-Grown Diamond, D VS1, GIA 6512942917$1,066
  60. 3.04 Carat Round Lab-Grown Diamond, D VVS1, GIA 6512942930$1,332