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 3

11,150 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. 3.40 Carat Round Lab-Grown Diamond, G VVS1, IGI LG654482701$610
  2. 3.72 Carat Round Lab-Grown Diamond, D IF, IGI LG675566700$1,553
  3. 3.6 Carat Round Lab-Grown Diamond, E VVS1, GIA 2506996866$2,191
  4. 3.61 Carat Round Lab-Grown Diamond, D VVS2, GIA 2516172961$1,893
  5. 3.71 Carat Round Lab-Grown Diamond, D VS1, GIA 7516173030$1,905
  6. 3.01 Carat Round Lab-Grown Diamond, G VVS2, IGI LG648460099$433
  7. 3.01 Carat Round Lab-Grown Diamond, H VS1, IGI LG675545351$417
  8. 3.42 Carat Round Lab-Grown Diamond, D FL, GIA 6505477420$14,830
  9. 3.1 Carat Round Lab-Grown Diamond, F VS1, GIA 5486913122$972
  10. 3.07 Carat Round Lab-Grown Diamond, E VS1, GIA 2494799991$2,622
  11. 3.41 Carat Round Lab-Grown Diamond, E VS1, IGI LG550246830$547
  12. 3.38 Carat Round Lab-Grown Diamond, F VS1, IGI LG569395420$519
  13. 3.38 Carat Round Lab-Grown Diamond, F VS1, IGI LG571306693$519
  14. 3.21 Carat Round Lab-Grown Diamond, E VS1, IGI LG587388564$517
  15. 3.02 Carat Round Lab-Grown Diamond, G VS1, IGI LG593312187$456
  16. 3.22 Carat Round Lab-Grown Diamond, F VS1, IGI LG594338343$497
  17. 3.00 Carat Round Lab-Grown Diamond, G VS1, IGI LG476165486$11,907
  18. 3.00 Carat Round Lab-Grown Diamond, J VS1, IGI LG478113405$6,905
  19. 3.04 Carat Round Lab-Grown Diamond, J VS2, IGI LG490174550$6,511
  20. 3.44 Carat Round Lab-Grown Diamond, F VS2, IGI LG591314080$700
  21. 3.71 Carat Round Lab-Grown Diamond, E VS1, IGI LG620432607$19,089
  22. 3.04 Carat Round Lab-Grown Diamond, E VS2, IGI LG623476059$550
  23. 3.56 Carat Round Lab-Grown Diamond, F VS2, IGI LG626426114$659
  24. 3.40 Carat Round Lab-Grown Diamond, G VS1, IGI LG632417265$693
  25. 3.70 Carat Round Lab-Grown Diamond, F VS1, IGI LG634405401$750
  26. 3.31 Carat Round Lab-Grown Diamond, F VVS2, IGI LG634405579$687
  27. 3.15 Carat Round Lab-Grown Diamond, D VS1, GIA 2486589183$1,716
  28. 3.14 Carat Round Lab-Grown Diamond, E VS1, GIA 3485679424$1,567
  29. 3.20 Carat Round Lab-Grown Diamond, D VVS2, IGI 627459169$2,457
  30. 3.18 Carat Round Lab-Grown Diamond, D VVS1, GIA 6462877649$3,896
  31. 3.10 Carat Round Lab-Grown Diamond, F IF, IGI LG605356205$4,582
  32. 3.46 Carat Round Lab-Grown Diamond, H VVS2, IGI LG579383361$703
  33. 3.09 Carat Round Lab-Grown Diamond, G VVS2, IGI LG586356587$459
  34. 3.10 Carat Round Lab-Grown Diamond, F VVS2, IGI LG617417866$529
  35. 3.19 Carat Round Lab-Grown Diamond, E VS1, IGI LG572368885$669
  36. 3.27 Carat Round Lab-Grown Diamond, G VS1, IGI LG572368894$668
  37. 3.64 Carat Round Lab-Grown Diamond, F VS1, IGI LG623496985$811
  38. 3.24 Carat Round Lab-Grown Diamond, H VS1, IGI LG623496998$637
  39. 3.27 Carat Round Lab-Grown Diamond, E VS1, IGI LG623496999$685
  40. 3.39 Carat Round Lab-Grown Diamond, E VS1, IGI LG623497006$710
  41. 3.20 Carat Round Lab-Grown Diamond, E VS1, IGI LG632429649$671
  42. 3.22 Carat Round Lab-Grown Diamond, E VS1, IGI LG632429651$675
  43. 3.22 Carat Round Lab-Grown Diamond, E VS1, IGI LG632429652$675
  44. 3.44 Carat Round Lab-Grown Diamond, E VS1, IGI LG632429676$720
  45. 3.62 Carat Round Lab-Grown Diamond, E VS1, IGI LG632429684$755
  46. 3.33 Carat Round Lab-Grown Diamond, F VS1, IGI LG632429687$745
  47. 3.32 Carat Round Lab-Grown Diamond, E VVS2, IGI LG632429703$736
  48. 3.73 Carat Round Lab-Grown Diamond, E VS1, IGI LG632429746$777
  49. 3.39 Carat Round Lab-Grown Diamond, E VS1, IGI LG634407181$710
  50. 3.20 Carat Round Lab-Grown Diamond, F VVS2, IGI LG634407183$720
  51. 3.25 Carat Round Lab-Grown Diamond, G VVS2, IGI LG634407191$722
  52. 3.26 Carat Round Lab-Grown Diamond, F VVS2, IGI LG634407192$732
  53. 3.30 Carat Round Lab-Grown Diamond, E VS1, IGI LG634407194$692
  54. 3.41 Carat Round Lab-Grown Diamond, G VVS2, IGI LG634407196$757
  55. 3.21 Carat Round Lab-Grown Diamond, E VS1, IGI LG634407208$673
  56. 3.22 Carat Round Lab-Grown Diamond, E VS1, IGI LG634407209$675
  57. 3.23 Carat Round Lab-Grown Diamond, F VS1, IGI LG634407210$724
  58. 3.24 Carat Round Lab-Grown Diamond, F VVS2, IGI LG634407211$728
  59. 3.41 Carat Round Lab-Grown Diamond, E VS1, IGI LG634407226$713
  60. 3.30 Carat Round Lab-Grown Diamond, E VS1, IGI LG646480996$692