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 19

19,336 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. 3.42 Carat Round Lab-Grown Diamond, D VVS1, IGI LG677520770$824
  2. 3.51 Carat Round Lab-Grown Diamond, D IF, IGI LG619457811$2,345
  3. 3.57 Carat Round Lab-Grown Diamond, D VVS2, IGI LG669420115$1,092
  4. 3.66 Carat Round Lab-Grown Diamond, D IF, IGI LG673430609$2,443
  5. 3.13 Carat Round Lab-Grown Diamond, D IF, IGI LG677520767$926
  6. 3.14 Carat Round Lab-Grown Diamond, D IF, IGI LG677520768$902
  7. 3.54 Carat Round Lab-Grown Diamond, D VVS1, IGI LG677520773$1,004
  8. 3.13 Carat Round Lab-Grown Diamond, D IF, IGI LG680525391$875
  9. 3.04 Carat Round Lab-Grown Diamond, D VVS1, IGI LG683516270$786
  10. 3.80 Carat Round Lab-Grown Diamond, D VVS1, IGI LG683516273$1,076
  11. 3.03 Carat Round Lab-Grown Diamond, D VVS1, IGI LG628446637$809
  12. 3.03 Carat Round Lab-Grown Diamond, E VS2, GIA 6491766018$1,257
  13. 3.01 Carat Round Lab-Grown Diamond, E VS2, GIA 6502832022$1,249
  14. 3.51 Carat Round Lab-Grown Diamond, H VVS2, IGI LG625488960$566
  15. 3.79 Carat Round Lab-Grown Diamond, D VS1, IGI LG684504676$1,192
  16. 3.07 Carat Round Lab-Grown Diamond, D IF, IGI LG677520602$882
  17. 3.37 Carat Round Lab-Grown Diamond, D VVS1, IGI LG677520611$812
  18. 3.47 Carat Round Lab-Grown Diamond, D VVS1, IGI LG677520613$836
  19. 3.29 Carat Round Lab-Grown Diamond, F VS1, IGI LG623497002$736
  20. 3.00 Carat Round Lab-Grown Diamond, I VS1, IGI LG624444265$395
  21. 3.07 Carat Round Lab-Grown Diamond, F VVS1, IGI LG671463642$812
  22. 3.80 Carat Round Lab-Grown Diamond, E VS2, GIA 5483965840$1,443
  23. 3.07 Carat Round Lab-Grown Diamond, G VS1, GIA 5496027466$1,174
  24. 3.1 Carat Round Lab-Grown Diamond, G VS1, GIA 6495027269$1,184
  25. 3.54 Carat Round Lab-Grown Diamond, F VS1, IGI LG487175861$588
  26. 3.59 Carat Round Lab-Grown Diamond, G VS1, IGI LG584363363$687
  27. 3.76 Carat Round Lab-Grown Diamond, F VS2, IGI LG626494405$553
  28. 3.5 Carat Round Lab-Grown Diamond, F VS2, IGI LG626496970$517
  29. 3.09 Carat Round Lab-Grown Diamond, E VVS1, IGI LG674507272$913
  30. 3.40 Carat Round Lab-Grown Diamond, E VS1, IGI LG683566207$503
  31. 3.70 Carat Round Lab-Grown Diamond, D VS1, IGI LG683566250$657
  32. 3.51 Carat Round Lab-Grown Diamond, H VS1, IGI LG617440041$568
  33. 3.21 Carat Round Lab-Grown Diamond, E VS2, IGI 628406020$515
  34. 3.98 Carat Round Lab-Grown Diamond, D FL, GIA 2516142371$18,130
  35. 3.51 Carat Round Lab-Grown Diamond, D VVS1, GIA 2477251911$3,408
  36. 3.72 Carat Round Lab-Grown Diamond, E VVS1, GIA 6472146238$3,444
  37. 3.59 Carat Round Lab-Grown Diamond, D VS1, GIA 7478251905$3,860
  38. 3.05 Carat Round Lab-Grown Diamond, E VS1, GIA 7481838977$1,336
  39. 3.12 Carat Round Lab-Grown Diamond, D VS1, GIA 7481932409$1,365
  40. 3.20 Carat Round Lab-Grown Diamond, I VVS2, IGI LG638428402$426
  41. 3.58 Carat Round Lab-Grown Diamond, F VS2, GIA 6492215832$1,366
  42. 3.25 Carat Round Lab-Grown Diamond, D IF, IGI LG685552780$1,569
  43. 3.56 Carat Round Lab-Grown Diamond, D FL, GIA 1515113712$10,585
  44. 3.92 Carat Round Lab-Grown Diamond, D VVS1, GIA 7518459153$4,398
  45. 3.66 Carat Round Lab-Grown Diamond, E VS1, GIA 7513215970$1,348
  46. 3.50 Carat Round Lab-Grown Diamond, E VS2, IGI LG618458058$515
  47. 3.69 Carat Round Lab-Grown Diamond, E VS1, IGI LG685582129$592
  48. 3.53 Carat Round Lab-Grown Diamond, E VVS1, GIA 2517451230$2,118
  49. 3.19 Carat Round Lab-Grown Diamond, D SI1, HRD 250000032736$576
  50. 3.58 Carat Round Lab-Grown Diamond, E IF, IGI LG589309986$1,617
  51. 3.80 Carat Round Lab-Grown Diamond, D VVS1, IGI LG635412379$1,308
  52. 3.81 Carat Round Lab-Grown Diamond, H VS2, IGI LG620403957$439
  53. 3.78 Carat Round Lab-Grown Diamond, G VS2, IGI LG629408592$442
  54. 3.79 Carat Round Lab-Grown Diamond, G VS2, IGI LG629474793$443
  55. 3.01 Carat Round Lab-Grown Diamond, D SI2, IGI LG480157693$539
  56. 3.23 Carat Round Lab-Grown Diamond, E SI1, IGI LG488147544$628
  57. 3.03 Carat Round Lab-Grown Diamond, G SI1, IGI LG542211704$564
  58. 3.59 Carat Round Lab-Grown Diamond, H VS2, IGI LG630431621$422
  59. 3.31 Carat Round Lab-Grown Diamond, F SI1, IGI LG631455284$394
  60. 3.51 Carat Round Lab-Grown Diamond, D VS2, IGI LG683534294$563