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 31

15,340 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. 3.15 Carat Round Lab-Grown Diamond, D IF, IGI LG674518601$1,065
  2. 3.5 Carat Round Lab-Grown Diamond, D VVS1, IGI LG674518645$1,368
  3. 3.16 Carat Round Lab-Grown Diamond, D VVS1, IGI LG674545790$1,068
  4. 3.15 Carat Round Lab-Grown Diamond, D IF, IGI LG675503864$1,065
  5. 3.38 Carat Round Lab-Grown Diamond, D IF, IGI LG675559558$1,141
  6. 3.14 Carat Round Lab-Grown Diamond, D IF, IGI LG678516622$1,061
  7. 3.28 Carat Round Lab-Grown Diamond, D IF, IGI LG680509011$1,107
  8. 3.40 Carat Round Lab-Grown Diamond, D IF, IGI LG680538404$1,147
  9. 3.72 Carat Round Lab-Grown Diamond, D VVS1, IGI LG685504596$1,452
  10. 3.54 Carat Round Lab-Grown Diamond, D IF, IGI LG685504600$1,438
  11. 3.22 Carat Round Lab-Grown Diamond, D VVS1, IGI LG685506602$792
  12. 3.13 Carat Round Lab-Grown Diamond, D IF, IGI LG685506604$1,058
  13. 3.04 Carat Round Lab-Grown Diamond, D IF, IGI LG685506605$1,029
  14. 3.12 Carat Round Lab-Grown Diamond, D IF, IGI LG687563693$1,056
  15. 3.76 Carat Round Lab-Grown Diamond, D VVS1, IGI LG689543279$1,467
  16. 3.42 Carat Round Lab-Grown Diamond, D IF, IGI LG689543280$1,154
  17. 3.24 Carat Round Lab-Grown Diamond, D IF, IGI LG689543281$1,095
  18. 3.04 Carat Round Lab-Grown Diamond, D IF, IGI LG691525869$1,029
  19. 3.05 Carat Round Lab-Grown Diamond, D IF, IGI LG691525870$1,032
  20. 3.34 Carat Round Lab-Grown Diamond, D VVS1, IGI LG691525876$820
  21. 3.63 Carat Round Lab-Grown Diamond, E VVS1, IGI LG680544986$1,052
  22. 3.03 Carat Round Lab-Grown Diamond, D VVS1, IGI LG687597926$724
  23. 3.51 Carat Round Lab-Grown Diamond, E VS1, GIA 6512527724$2,995
  24. 3.08 Carat Round Lab-Grown Diamond, D IF, IGI LG692533927$884
  25. 3.03 Carat Round Lab-Grown Diamond, D IF, IGI LG691569801$870
  26. 3.19 Carat Round Lab-Grown Diamond, D IF, IGI LG692533915$916
  27. 3.32 Carat Round Lab-Grown Diamond, D IF, IGI LG692533917$950
  28. 3.33 Carat Round Lab-Grown Diamond, D IF, IGI LG692533918$926
  29. 3.05 Carat Round Lab-Grown Diamond, D IF, IGI LG692533926$876
  30. 3.46 Carat Round Lab-Grown Diamond, D IF, IGI LG692533933$1,020
  31. 3.63 Carat Round Lab-Grown Diamond, D IF, IGI LG692533936$1,296
  32. 3.47 Carat Round Lab-Grown Diamond, D VVS1, IGI LG693517658$836
  33. 3.65 Carat Round Lab-Grown Diamond, D IF, IGI LG693517661$1,304
  34. 3.07 Carat Round Lab-Grown Diamond, D IF, IGI LG693517669$882
  35. 3.31 Carat Round Lab-Grown Diamond, D VVS1, IGI LG693533225$798
  36. 3.36 Carat Round Lab-Grown Diamond, D IF, IGI LG693533226$962
  37. 3.46 Carat Round Lab-Grown Diamond, D VVS1, IGI LG693533228$833
  38. 3.04 Carat Round Lab-Grown Diamond, D IF, IGI LG692533924$874
  39. 3.04 Carat Round Lab-Grown Diamond, D VS1, GIA 1515527677$2,838
  40. 3.39 Carat Round Lab-Grown Diamond, F VS2, IGI LG691557610$542
  41. 3.05 Carat Round Lab-Grown Diamond, E VVS2, GIA 2516686911$3,009
  42. 3.17 Carat Round Lab-Grown Diamond, F VS1, IGI LG677514348$465
  43. 3.37 Carat Round Lab-Grown Diamond, D IF, IGI LG685510712$1,163
  44. 3.16 Carat Round Lab-Grown Diamond, D IF, IGI LG689588234$1,092
  45. 3.94 Carat Round Lab-Grown Diamond, E IF, IGI LG689588236$1,901
  46. 3.07 Carat Round Lab-Grown Diamond, D VVS2, IGI LG693518814$658
  47. 3.40 Carat Round Lab-Grown Diamond, D VVS1, IGI LG692533932$819
  48. 3.87 Carat Round Lab-Grown Diamond, D VVS1, IGI LG691588196$1,509
  49. 3.03 Carat Round Lab-Grown Diamond, D VVS1, IGI LG691588199$1,025
  50. 3.34 Carat Round Lab-Grown Diamond, D VVS1, IGI LG692544233$820
  51. 3.72 Carat Round Lab-Grown Diamond, D VVS1, IGI LG692544235$1,452
  52. 3.63 Carat Round Lab-Grown Diamond, D IF, IGI LG692544334$1,474
  53. 3.61 Carat Round Lab-Grown Diamond, D IF, IGI LG692544336$1,466
  54. 3.43 Carat Round Lab-Grown Diamond, D VVS1, IGI LG692544338$841
  55. 3.73 Carat Round Lab-Grown Diamond, D IF, IGI LG692544339$1,513
  56. 3.01 Carat Round Lab-Grown Diamond, G VS2, IGI LG559201760$832
  57. 3.50 Carat Round Lab-Grown Diamond, F SI1, IGI LG560204486$896
  58. 3.26 Carat Round Lab-Grown Diamond, D VVS2, GIA 1519624278$1,544
  59. 3.05 Carat Round Lab-Grown Diamond, D VVS2, GIA 2516623238$1,504
  60. 3.1 Carat Round Lab-Grown Diamond, D VVS1, GIA 2516624103$1,686