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 248

15,609 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. 3.02 Carat Round Lab-Grown Diamond, F VS1, IGI LG779601624$570
  2. 3.03 Carat Round Lab-Grown Diamond, F VS1, IGI LG782614971$571
  3. 3.08 Carat Round Lab-Grown Diamond, E VS1, IGI LG782616853$494
  4. 3.28 Carat Round Lab-Grown Diamond, D VVS2, IGI LG803696451$893
  5. 3.03 Carat Round Lab-Grown Diamond, D VS1, IGI LG828604282$710
  6. 3.04 Carat Round Lab-Grown Diamond, D VS2, IGI LG829607288$493
  7. 3.56 Carat Round Lab-Grown Diamond, E VS1, IGI LG826657222$987
  8. 3.41 Carat Round Lab-Grown Diamond, E VS1, IGI LG835614418$551
  9. 3.07 Carat Round Lab-Grown Diamond, E VS1, IGI LG835638573$552
  10. 3.03 Carat Round Lab-Grown Diamond, E VS1, IGI LG835660109$539
  11. 3.07 Carat Round Lab-Grown Diamond, E VVS2, IGI LG828690654$631
  12. 3.06 Carat Round Lab-Grown Diamond, E VVS2, IGI LG828690894$629
  13. 3.1 Carat Round Lab-Grown Diamond, E VVS2, IGI LG829611931$611
  14. 3.09 Carat Round Lab-Grown Diamond, E VVS2, IGI LG828689058$609
  15. 3.00 Carat Round Lab-Grown Diamond, F VS1, IGI LG827609733$566
  16. 3.50 Carat Round Lab-Grown Diamond, E VVS2, IGI LG833624521$671
  17. 3.30 Carat Round Lab-Grown Diamond, E VS1, IGI LG833624523$574
  18. 3.25 Carat Round Lab-Grown Diamond, D VVS2, IGI LG835646325$825
  19. 3.1 Carat Round Lab-Grown Diamond, E VVS2, IGI LG835662872$559
  20. 3.97 Carat Round Lab-Grown Diamond, D FL, GIA 2517668242$18,085
  21. 3.66 Carat Round Lab-Grown Diamond, D FL, GIA 7516743863$15,871
  22. 3.54 Carat Round Lab-Grown Diamond, E VVS1, IGI LG715558347$837
  23. 3.33 Carat Round Lab-Grown Diamond, D FL, IGI LG816602049$1,984
  24. 3.02 Carat Round Lab-Grown Diamond, D FL, GIA 2504710539$12,170
  25. 3 Carat Round Lab-Grown Diamond, D VS2, IGI LG786625078$1,163
  26. 3.52 Carat Round Lab-Grown Diamond, D FL, IGI LG831603910$2,583
  27. 3.50 Carat Round Lab-Grown Diamond, D IF, IGI LG833644166$1,560
  28. 3.02 Carat Round Lab-Grown Diamond, E VS1, IGI LG824621997$881
  29. 3.50 Carat Round Lab-Grown Diamond, E IF, IGI LG825675291$1,392
  30. 3.09 Carat Round Lab-Grown Diamond, E VVS2, IGI LG833630621$510
  31. 3.08 Carat Round Lab-Grown Diamond, E VVS1, IGI LG833630622$665
  32. 3.06 Carat Round Lab-Grown Diamond, E VS1, IGI LG833631839$496
  33. 3.01 Carat Round Lab-Grown Diamond, D IF, IGI LG833644313$1,105
  34. 3.08 Carat Round Lab-Grown Diamond, E VVS2, IGI LG833671468$508
  35. 3.07 Carat Round Lab-Grown Diamond, E VVS2, IGI LG833671470$507
  36. 3.07 Carat Round Lab-Grown Diamond, E VVS2, IGI LG833671465$507
  37. 3.50 Carat Round Lab-Grown Diamond, E VVS2, IGI LG761515998$732
  38. 3.11 Carat Round Lab-Grown Diamond, E VVS2, IGI LG781630411$668
  39. 3.10 Carat Round Lab-Grown Diamond, D VVS2, IGI LG836642006$697
  40. 3.20 Carat Round Lab-Grown Diamond, D VVS1, IGI LG825699397$816
  41. 3.19 Carat Round Lab-Grown Diamond, D IF, IGI LG825699398$1,049
  42. 3.27 Carat Round Lab-Grown Diamond, D VVS2, IGI LG826626149$787
  43. 3.24 Carat Round Lab-Grown Diamond, D IF, IGI LG826626151$1,065
  44. 3.23 Carat Round Lab-Grown Diamond, D VVS2, IGI LG830662800$696
  45. 3.02 Carat Round Lab-Grown Diamond, FANCY BROWN VS1, IGI LG830661891$1,180
  46. 3.01 Carat Round Lab-Grown Diamond, D VS1, IGI LG837625904$697
  47. 3.73 Carat Round Lab-Grown Diamond, F VS1, IGI 605333720$697
  48. 3.88 Carat Round Lab-Grown Diamond, D VVS2, IGI LG737560619$1,092
  49. 3.54 Carat Round Lab-Grown Diamond, E VVS2, IGI LG833656240$661
  50. 3.01 Carat Round Lab-Grown Diamond, E VVS2, IGI LG833656246$571
  51. 3.01 Carat Round Lab-Grown Diamond, E VVS2, IGI LG833656247$571
  52. 3.51 Carat Round Lab-Grown Diamond, E VVS2, IGI LG833656273$655
  53. 3.57 Carat Round Lab-Grown Diamond, E VVS2, IGI LG833656281$641
  54. 3.04 Carat Round Lab-Grown Diamond, E VVS2, IGI LG833656293$577
  55. 3.50 Carat Round Lab-Grown Diamond, E VS2, IGI LG833656294$610
  56. 3.03 Carat Round Lab-Grown Diamond, E VVS2, IGI LG833656299$575
  57. 3.56 Carat Round Lab-Grown Diamond, E VVS2, IGI LG833656300$638
  58. 3.02 Carat Round Lab-Grown Diamond, E VVS2, IGI LG833656302$574
  59. 3.04 Carat Round Lab-Grown Diamond, E VS2, IGI LG833656303$539
  60. 3.55 Carat Round Lab-Grown Diamond, E VS1, IGI LG833656307$637