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 229

15,657 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. 3.38 Carat Round Lab-Grown Diamond, D FL, IGI LG825675253$1,848
  2. 3.27 Carat Round Lab-Grown Diamond, E VVS2, IGI LG830616536$543
  3. 3.27 Carat Round Lab-Grown Diamond, E VVS2, IGI LG830616537$543
  4. 3.57 Carat Round Lab-Grown Diamond, D VVS2, IGI LG722538413$1,046
  5. 3.08 Carat Round Lab-Grown Diamond, D FL, IGI LG825675248$1,697
  6. 3.50 Carat Round Lab-Grown Diamond, D VVS2, IGI LG816616475$951
  7. 3.01 Carat Round Lab-Grown Diamond, E VVS1, IGI LG826698964$651
  8. 3.54 Carat Round Lab-Grown Diamond, E VVS2, IGI LG826698973$582
  9. 3.05 Carat Round Lab-Grown Diamond, E VVS1, IGI LG826698983$658
  10. 3.01 Carat Round Lab-Grown Diamond, E VS1, IGI LG828602639$497
  11. 3.53 Carat Round Lab-Grown Diamond, E VS1, IGI LG828602684$546
  12. 3.00 Carat Round Lab-Grown Diamond, E VVS2, IGI LG828629333$477
  13. 3.00 Carat Round Lab-Grown Diamond, E VVS2, IGI LG828629339$477
  14. 3.00 Carat Round Lab-Grown Diamond, D VS1, IGI LG828629375$598
  15. 3.03 Carat Round Lab-Grown Diamond, D VVS2, IGI LG768650932$606
  16. 3.00 Carat Round Lab-Grown Diamond, E VS2, IGI LG825693131$528
  17. 3.08 Carat Round Lab-Grown Diamond, E VVS2, IGI LG826690282$508
  18. 3.08 Carat Round Lab-Grown Diamond, E VVS2, IGI LG826690284$508
  19. 3.07 Carat Round Lab-Grown Diamond, E VVS2, IGI LG828637795$507
  20. 3.08 Carat Round Lab-Grown Diamond, E VVS2, IGI LG828637806$508
  21. 3.08 Carat Round Lab-Grown Diamond, E VVS2, IGI LG828637814$508
  22. 3.07 Carat Round Lab-Grown Diamond, E VVS2, IGI LG828637835$507
  23. 3.18 Carat Round Lab-Grown Diamond, F VVS2, IGI LG829607130$519
  24. 3.10 Carat Round Lab-Grown Diamond, E VS1, IGI LG829607159$529
  25. 3.04 Carat Round Lab-Grown Diamond, G VVS1, IGI LG768627807$549
  26. 3.1 Carat Round Lab-Grown Diamond, F VVS2, GCAL 360366048$1,213
  27. 3.31 Carat Round Lab-Grown Diamond, F VVS2, GCAL 360456096$1,294
  28. 3.24 Carat Round Lab-Grown Diamond, F VVS1, GCAL 360696294$1,515
  29. 3.02 Carat Round Lab-Grown Diamond, F FL, IGI LG786647232$1,592
  30. 3.28 Carat Round Lab-Grown Diamond, F FL, GCAL 360696310$5,570
  31. 3.01 Carat Round Lab-Grown Diamond, F VVS1, GIA 6531047430$1,433
  32. 3.41 Carat Round Lab-Grown Diamond, F VVS1, GIA 2536062459$1,594
  33. 3.56 Carat Round Lab-Grown Diamond, G VVS1, IGI LG792622275$714
  34. 3.02 Carat Round Lab-Grown Diamond, G VVS1, IGI LG794693522$546
  35. 3.74 Carat Round Lab-Grown Diamond, F VVS2, GCAL 360526233$1,907
  36. 3.1 Carat Round Lab-Grown Diamond, D VVS2, GCAL 362106079$1,729
  37. 3.24 Carat Round Lab-Grown Diamond, D VVS1, IGI LG818659795$838
  38. 3.18 Carat Round Lab-Grown Diamond, D FL, IGI LG818659798$1,719
  39. 3.45 Carat Round Lab-Grown Diamond, E VS1, IGI LG825604551$760
  40. 3.59 Carat Round Lab-Grown Diamond, E VVS2, IGI LG825616349$644
  41. 3.05 Carat Round Lab-Grown Diamond, E VVS2, IGI LG826633304$515
  42. 3.06 Carat Round Lab-Grown Diamond, E VVS2, IGI LG826633315$517
  43. 3.51 Carat Round Lab-Grown Diamond, E VS1, IGI LG827602069$630
  44. 3.55 Carat Round Lab-Grown Diamond, E VS1, IGI LG827602078$637
  45. 3.40 Carat Round Lab-Grown Diamond, E VS1, IGI LG827602110$749
  46. 3.01 Carat Round Lab-Grown Diamond, E VVS2, IGI LG828614895$571
  47. 3.60 Carat Round Lab-Grown Diamond, E VVS2, IGI LG828629626$645
  48. 3.57 Carat Round Lab-Grown Diamond, E VVS2, IGI LG828629628$641
  49. 3.60 Carat Round Lab-Grown Diamond, E VVS2, IGI LG828629630$652
  50. 3.10 Carat Round Lab-Grown Diamond, E VVS2, IGI LG828629631$503
  51. 3.60 Carat Round Lab-Grown Diamond, E VVS2, IGI LG828629634$652
  52. 3.51 Carat Round Lab-Grown Diamond, E VVS2, IGI LG828629636$655
  53. 3.50 Carat Round Lab-Grown Diamond, D VS1, IGI LG828629637$641
  54. 3.09 Carat Round Lab-Grown Diamond, E VVS2, IGI LG828629660$505
  55. 3.55 Carat Round Lab-Grown Diamond, E VS1, IGI LG828629664$637
  56. 3.50 Carat Round Lab-Grown Diamond, E VVS2, IGI LG828629729$654
  57. 3.10 Carat Round Lab-Grown Diamond, E VVS2, IGI LG828629732$503
  58. 3.54 Carat Round Lab-Grown Diamond, E VVS2, IGI LG828629736$661
  59. 3.58 Carat Round Lab-Grown Diamond, E VVS2, IGI LG828629746$643
  60. 3.50 Carat Round Lab-Grown Diamond, E VVS2, IGI LG828629762$654