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 241

15,459 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. 3.9 Carat Round Lab-Grown Diamond, E VVS2, IGI LG822611117$636
  2. 3.89 Carat Round Lab-Grown Diamond, E VS1, IGI LG823601924$615
  3. 3.9 Carat Round Lab-Grown Diamond, E VVS2, IGI LG822620027$630
  4. 3.1 Carat Round Lab-Grown Diamond, E VVS2, IGI LG823603610$617
  5. 3.96 Carat Round Lab-Grown Diamond, E VS1, IGI LG822612286$700
  6. 3.94 Carat Round Lab-Grown Diamond, E VVS2, IGI LG822619783$636
  7. 3.86 Carat Round Lab-Grown Diamond, E VS1, IGI LG821644039$610
  8. 3.73 Carat Round Lab-Grown Diamond, E VVS2, IGI LG820604359$602
  9. 3.94 Carat Round Lab-Grown Diamond, E VVS2, IGI LG821664988$636
  10. 3.9 Carat Round Lab-Grown Diamond, E VVS2, IGI LG821633671$636
  11. 3.82 Carat Round Lab-Grown Diamond, E VVS2, IGI LG822611061$617
  12. 3.83 Carat Round Lab-Grown Diamond, E VS1, IGI LG821664296$606
  13. 3.1 Carat Round Lab-Grown Diamond, E VVS2, IGI LG823635642$617
  14. 3.99 Carat Round Lab-Grown Diamond, E VS1, IGI LG823694122$699
  15. 3.82 Carat Round Lab-Grown Diamond, E VVS2, IGI LG823637333$617
  16. 3.1 Carat Round Lab-Grown Diamond, E VVS2, IGI LG823697492$617
  17. 3.08 Carat Round Lab-Grown Diamond, D VS1, IGI LG825691579$817
  18. 3.09 Carat Round Lab-Grown Diamond, E VVS2, IGI LG826628825$557
  19. 3.09 Carat Round Lab-Grown Diamond, E VVS2, IGI LG826652132$557
  20. 3.08 Carat Round Lab-Grown Diamond, D VS1, IGI LG826633113$723
  21. 3.08 Carat Round Lab-Grown Diamond, E VVS2, IGI LG828607128$639
  22. 3.09 Carat Round Lab-Grown Diamond, E VVS2, IGI LG828626529$615
  23. 3.09 Carat Round Lab-Grown Diamond, E VVS2, IGI LG828607185$615
  24. 3.08 Carat Round Lab-Grown Diamond, E VVS2, IGI LG834618202$571
  25. 3.84 Carat Round Lab-Grown Diamond, E VS1, IGI LG835601945$607
  26. 3.09 Carat Round Lab-Grown Diamond, E VS1, IGI LG835614363$552
  27. 3.01 Carat Round Lab-Grown Diamond, E VS1, IGI LG835622485$522
  28. 3.02 Carat Round Lab-Grown Diamond, G VVS2, IGI LG811623024$443
  29. 3.61 Carat Round Lab-Grown Diamond, D fl, igi LG833683762$3,136
  30. 3.16 Carat Round Lab-Grown Diamond, D fl, igi LG833683763$2,154
  31. 3.04 Carat Round Lab-Grown Diamond, E fl, igi LG833637864$1,948
  32. 3.01 Carat Round Lab-Grown Diamond, D fl, igi LG833683760$2,052
  33. 3.01 Carat Round Lab-Grown Diamond, D fl, igi LG833683761$2,052
  34. 3.96 Carat Round Lab-Grown Diamond, E VVS2, IGI LG813692749$640
  35. 3.96 Carat Round Lab-Grown Diamond, E VVS2, IGI LG817616606$640
  36. 3.96 Carat Round Lab-Grown Diamond, E VVS2, IGI LG817673884$640
  37. 3.96 Carat Round Lab-Grown Diamond, E VVS2, IGI LG818607471$640
  38. 3.96 Carat Round Lab-Grown Diamond, E VVS2, IGI LG818695474$640
  39. 3.96 Carat Round Lab-Grown Diamond, E VS1, IGI LG818624219$626
  40. 3.96 Carat Round Lab-Grown Diamond, E VS1, IGI LG819630356$626
  41. 3.96 Carat Round Lab-Grown Diamond, E VS1, IGI LG819608893$626
  42. 3.05 Carat Round Lab-Grown Diamond, D VS1, IGI LG817696303$716
  43. 3.02 Carat Round Lab-Grown Diamond, D VS1, IGI LG820604041$708
  44. 3.03 Carat Round Lab-Grown Diamond, D VS1, IGI LG823608529$793
  45. 3.05 Carat Round Lab-Grown Diamond, D VS1, IGI LG823673093$798
  46. 3 Carat Round Lab-Grown Diamond, D VS1, IGI LG826654896$775
  47. 3.03 Carat Round Lab-Grown Diamond, E VVS2, IGI LG826627349$541
  48. 3.03 Carat Round Lab-Grown Diamond, E VVS2, IGI LG826627217$541
  49. 3.02 Carat Round Lab-Grown Diamond, E VVS2, IGI LG826632263$539
  50. 3.02 Carat Round Lab-Grown Diamond, E VVS2, IGI LG826632112$539
  51. 3.01 Carat Round Lab-Grown Diamond, D VS1, IGI LG826627477$706
  52. 3.03 Carat Round Lab-Grown Diamond, D VS1, IGI LG826632297$711
  53. 3.01 Carat Round Lab-Grown Diamond, D VS1, IGI LG826633086$706
  54. 3 Carat Round Lab-Grown Diamond, D VS1, IGI LG826627081$709
  55. 3.05 Carat Round Lab-Grown Diamond, E VS1, IGI LG826630948$565
  56. 3.04 Carat Round Lab-Grown Diamond, E VS1, IGI LG826631805$563
  57. 3.04 Carat Round Lab-Grown Diamond, E VVS2, IGI LG826628820$543
  58. 3.03 Carat Round Lab-Grown Diamond, E VVS2, IGI LG826627338$541
  59. 3.02 Carat Round Lab-Grown Diamond, E VVS2, IGI LG826627306$539
  60. 3.01 Carat Round Lab-Grown Diamond, D VVS2, IGI LG826669590$947