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 28

19,424 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. 3.09 Carat Round Lab-Grown Diamond, G VS1, IGI LG631469837$480
  2. 3.09 Carat Round Lab-Grown Diamond, G VS1, IGI LG632469181$480
  3. 3.59 Carat Round Lab-Grown Diamond, F VS1, IGI LG632469182$571
  4. 3.55 Carat Round Lab-Grown Diamond, E VS2, IGI LG632469190$564
  5. 3.09 Carat Round Lab-Grown Diamond, E VS2, IGI 629493951$486
  6. 3.02 Carat Round Lab-Grown Diamond, G VS1, IGI 631469827$470
  7. 3.05 Carat Round Lab-Grown Diamond, E VS2, IGI LG628439843$479
  8. 3.67 Carat Round Lab-Grown Diamond, F VS1, IGI LG689584006$562
  9. 3.63 Carat Round Lab-Grown Diamond, F VS1, IGI LG689584007$567
  10. 3.02 Carat Round Lab-Grown Diamond, D VVS2, GIA 2517527708$3,286
  11. 3.06 Carat Round Lab-Grown Diamond, D VVS2, GIA 6511527727$3,326
  12. 3.02 Carat Round Lab-Grown Diamond, D VVS1, IGI LG633423897$791
  13. 3.10 Carat Round Lab-Grown Diamond, E VS2, GIA 6472295471$1,173
  14. 3.24 Carat Round Lab-Grown Diamond, D VVS2, IGI LG685523064$770
  15. 3.5 Carat Round Lab-Grown Diamond, D FL, GIA 7502325829$15,637
  16. 3.04 Carat Round Lab-Grown Diamond, D IF, IGI LG668433403$1,058
  17. 3.57 Carat Round Lab-Grown Diamond, E VVS2, IGI LG687556326$695
  18. 3.51 Carat Round Lab-Grown Diamond, D IF, IGI LG687590055$1,344
  19. 3.26 Carat Round Lab-Grown Diamond, E VS1, GIA 1519571533$951
  20. 3.91 Carat Round Lab-Grown Diamond, D VVS1, GIA 1517582379$3,759
  21. 3.55 Carat Round Lab-Grown Diamond, D VVS1, GIA 2518571954$2,173
  22. 3.4 Carat Round Lab-Grown Diamond, D FL, GIA 5513142277$7,497
  23. 3.73 Carat Round Lab-Grown Diamond, D VVS1, GIA 7518571977$2,511
  24. 3.61 Carat Round Lab-Grown Diamond, D VVS1, GIA 7516582412$2,108
  25. 3.06 Carat Round Lab-Grown Diamond, D VVS2, GIA 6512509706$3,326
  26. 3.01 Carat Round Lab-Grown Diamond, E SI2, IGI LG514291429$508
  27. 3.61 Carat Round Lab-Grown Diamond, F SI2, IGI LG573304067$548
  28. 3.28 Carat Round Lab-Grown Diamond, E SI2, IGI LG573304068$556
  29. 3.69 Carat Round Lab-Grown Diamond, D VVS1, GIA 6512624343$1,989
  30. 3.2 Carat Round Lab-Grown Diamond, D IF, IGI LG685523536$947
  31. 3.24 Carat Round Lab-Grown Diamond, D IF, IGI LG685523538$906
  32. 3.38 Carat Round Lab-Grown Diamond, D VVS1, IGI LG685523542$814
  33. 3.11 Carat Round Lab-Grown Diamond, D IF, IGI LG685513851$894
  34. 3.26 Carat Round Lab-Grown Diamond, D IF, IGI LG685513854$936
  35. 3.19 Carat Round Lab-Grown Diamond, D IF, IGI LG685523534$916
  36. 3.27 Carat Round Lab-Grown Diamond, D FL, GIA 2507526121$7,210
  37. 3.43 Carat Round Lab-Grown Diamond, D FL, GIA 2518595103$7,563
  38. 3.40 Carat Round Lab-Grown Diamond, F VS1, IGI LG652441897$570
  39. 3.03 Carat Round Lab-Grown Diamond, D VVS1, IGI LG689569726$794
  40. 3.07 Carat Round Lab-Grown Diamond, H VVS2, IGI LG651482722$431
  41. 3.41 Carat Round Lab-Grown Diamond, H VS1, IGI LG582377162$391
  42. 3.38 Carat Round Lab-Grown Diamond, F VS1, IGI LG689583831$504
  43. 3.21 Carat Round Lab-Grown Diamond, D IF, IGI LG685523537$922
  44. 3.09 Carat Round Lab-Grown Diamond, D VS2, IGI LG689572227$505
  45. 3.04 Carat Round Lab-Grown Diamond, D VS2, IGI LG689572233$522
  46. 3.19 Carat Round Lab-Grown Diamond, D IF, IGI LG691534293$1,054
  47. 3.28 Carat Round Lab-Grown Diamond, D IF, IGI LG691534294$1,082
  48. 3.81 Carat Round Lab-Grown Diamond, F VS1, IGI LG691557608$623
  49. 3.55 Carat Round Lab-Grown Diamond, D IF, IGI LG691545113$1,417
  50. 3.32 Carat Round Lab-Grown Diamond, D VVS1, IGI LG685510705$1,013
  51. 3.70 Carat Round Lab-Grown Diamond, H VVS2, IGI LG636488668$487
  52. 3.01 Carat Round Lab-Grown Diamond, F SI1, IGI LG529259274$352
  53. 3.21 Carat Round Lab-Grown Diamond, D SI1, IGI LG529267470$1,751
  54. 3.62 Carat Round Lab-Grown Diamond, G VS2, IGI LG625423779$582
  55. 3.16 Carat Round Lab-Grown Diamond, H VVS2, IGI LG583333890$647
  56. 3.05 Carat Round Lab-Grown Diamond, H VVS2, IGI LG681576035$496
  57. 3.19 Carat Round Lab-Grown Diamond, D VVS1, GIA 1513667730$1,508
  58. 3.16 Carat Round Lab-Grown Diamond, D VVS1, GIA 1515667748$1,493
  59. 3.36 Carat Round Lab-Grown Diamond, D IF, GIA 1515707678$2,350
  60. 3.09 Carat Round Lab-Grown Diamond, D VVS1, GIA 6515707734$1,378