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 27

15,131 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. 3.71 Carat Round Lab-Grown Diamond, F SI1, IGI LG631454051$423
  2. 3.10 Carat Round Lab-Grown Diamond, E SI1, IGI LG669456347$428
  3. 3.81 Carat Round Lab-Grown Diamond, D IF, IGI LG674520497$2,012
  4. 3.81 Carat Round Lab-Grown Diamond, D IF, IGI LG675531083$2,012
  5. 3.09 Carat Round Lab-Grown Diamond, D VS2, GIA 2487372847$1,271
  6. 3.02 Carat Round Lab-Grown Diamond, F VVS2, GIA 6512292259$1,576
  7. 3.72 Carat Round Lab-Grown Diamond, H VS2, IGI LG621401244$441
  8. 3.03 Carat Round Lab-Grown Diamond, E SI1, IGI LG621404128$413
  9. 3.04 Carat Round Lab-Grown Diamond, E SI1, IGI LG623444415$407
  10. 3.84 Carat Round Lab-Grown Diamond, G VS2, IGI LG628481388$462
  11. 3.7 Carat Round Lab-Grown Diamond, E SI1, IGI LG632476809$431
  12. 3.43 Carat Round Lab-Grown Diamond, F VS2, IGI LG632489070$538
  13. 3.41 Carat Round Lab-Grown Diamond, F VS2, IGI LG633486115$572
  14. 3.74 Carat Round Lab-Grown Diamond, H VS2, IGI LG633486128$447
  15. 3.05 Carat Round Lab-Grown Diamond, G VVS2, IGI LG683596158$438
  16. 3.32 Carat Round Lab-Grown Diamond, E VS2, IGI LG632429704$790
  17. 3.76 Carat Round Lab-Grown Diamond, G VS2, IGI LG635425126$458
  18. 3.51 Carat Round Lab-Grown Diamond, E VS1, GIA 5513276408$2,797
  19. 3.34 Carat Round Lab-Grown Diamond, F VS1, IGI LG680581191$528
  20. 3.09 Carat Round Lab-Grown Diamond, F VS1, GIA 6481606471$936
  21. 3.82 Carat Round Lab-Grown Diamond, G VS1, IGI LG605328156$508
  22. 3.88 Carat Round Lab-Grown Diamond, F IF, IGI LG668433252$1,835
  23. 3.07 Carat Round Lab-Grown Diamond, D IF, IGI LG668433290$1,079
  24. 3.63 Carat Round Lab-Grown Diamond, D IF, IGI LG668433297$1,534
  25. 3.21 Carat Round Lab-Grown Diamond, E IF, IGI LG668433299$791
  26. 3.21 Carat Round Lab-Grown Diamond, D IF, IGI LG668433331$1,127
  27. 3.66 Carat Round Lab-Grown Diamond, E IF, IGI LG668433333$1,379
  28. 3.7 Carat Round Lab-Grown Diamond, E VVS2, IGI LG678537711$1,268
  29. 3.33 Carat Round Lab-Grown Diamond, D IF, IGI LG678537712$1,168
  30. 3.72 Carat Round Lab-Grown Diamond, G VS1, IGI LG12691316$496
  31. 3.70 Carat Round Lab-Grown Diamond, G VS1, IGI LG12783411$493
  32. 3.75 Carat Round Lab-Grown Diamond, G VS1, IGI LG12783918$499
  33. 3.71 Carat Round Lab-Grown Diamond, G VS1, IGI LG464107277$494
  34. 3.75 Carat Round Lab-Grown Diamond, G VS1, IGI LG467161469$499
  35. 3.70 Carat Round Lab-Grown Diamond, G VS1, IGI LG546203088$493
  36. 3.82 Carat Round Lab-Grown Diamond, G VS1, IGI LG549222401$508
  37. 3.71 Carat Round Lab-Grown Diamond, G VS1, IGI LG551292884$494
  38. 3.83 Carat Round Lab-Grown Diamond, G VS1, IGI LG593310727$509
  39. 3.83 Carat Round Lab-Grown Diamond, G VS1, IGI LG605385810$509
  40. 3.02 Carat Round Lab-Grown Diamond, G IF, IGI LG627461279$772
  41. 3.01 Carat Round Lab-Grown Diamond, G VS1, IGI LG685525690$423
  42. 3.54 Carat Round Lab-Grown Diamond, F VS2, IGI LG685525721$2,151
  43. 3.01 Carat Round Lab-Grown Diamond, G VS2, IGI LG685525733$417
  44. 3.53 Carat Round Lab-Grown Diamond, F VS1, IGI LG683556687$2,577
  45. 3.62 Carat Round Lab-Grown Diamond, E VVS1, IGI LG648475511$1,053
  46. 3.38 Carat Round Lab-Grown Diamond, D VVS1, IGI LG680525901$791
  47. 3.04 Carat Round Lab-Grown Diamond, D IF, IGI LG680526245$874
  48. 3.04 Carat Round Lab-Grown Diamond, F VS1, GIA 2486771228$922
  49. 3.54 Carat Round Lab-Grown Diamond, G VS1, IGI LG626416016$657
  50. 3.29 Carat Round Lab-Grown Diamond, D IF, IGI LG685589501$980
  51. 3.09 Carat Round Lab-Grown Diamond, G VVS2, IGI LG644445755$444
  52. 3.89 Carat Round Lab-Grown Diamond, D VS1, IGI LG680559043$874
  53. 3.35 Carat Round Lab-Grown Diamond, E VS1, IGI LG684512796$507
  54. 3.10 Carat Round Lab-Grown Diamond, G VVS2, IGI LG683503996$436
  55. 3.91 Carat Round Lab-Grown Diamond, F VVS2, IGI LG616423917$757
  56. 3.54 Carat Round Lab-Grown Diamond, D VVS1, GIA 5513508564$2,166
  57. 3.52 Carat Round Lab-Grown Diamond, I VVS2, IGI LG653408979$502
  58. 3.36 Carat Round Lab-Grown Diamond, H VVS2, IGI LG668409135$457
  59. 3.54 Carat Round Lab-Grown Diamond, D IF, IGI LG680525903$1,264
  60. 3.08 Carat Round Lab-Grown Diamond, G VS1, IGI LG653408988$427