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 37

15,808 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. 3.20 Carat Round Lab-Grown Diamond, F VS1, IGI LG698521527$508
  2. 3.37 Carat Round Lab-Grown Diamond, F VS1, IGI LG701507023$566
  3. 3.18 Carat Round Lab-Grown Diamond, E VS2, IGI LG701507029$564
  4. 3.21 Carat Round Lab-Grown Diamond, F VVS2, IGI LG700589994$481
  5. 3.15 Carat Round Lab-Grown Diamond, G VS1, IGI LG700590001$453
  6. 3.33 Carat Round Lab-Grown Diamond, D IF, IGI LG669421601$1,168
  7. 3.07 Carat Round Lab-Grown Diamond, D IF, IGI LG685510947$1,079
  8. 3.39 Carat Round Lab-Grown Diamond, D IF, IGI LG685510954$1,189
  9. 3.32 Carat Round Lab-Grown Diamond, E IF, IGI LG693547632$939
  10. 3.01 Carat Round Lab-Grown Diamond, D IF, IGI LG696558479$1,019
  11. 3.49 Carat Round Lab-Grown Diamond, E VS2, IGI LG678525488$547
  12. 3.56 Carat Round Lab-Grown Diamond, D IF, IGI LG694506577$1,445
  13. 3.18 Carat Round Lab-Grown Diamond, D IF, IGI LG696550212$1,075
  14. 3.09 Carat Round Lab-Grown Diamond, D VVS2, IGI LG660489408$1,154
  15. 3.71 Carat Round Lab-Grown Diamond, E VS1, IGI LG696553347$556
  16. 3.37 Carat Round Lab-Grown Diamond, E VVS2, IGI LG700536270$533
  17. 3.51 Carat Round Lab-Grown Diamond, G VS1, IGI LG700589993$512
  18. 3.45 Carat Round Lab-Grown Diamond, F VS1, IGI LG701507093$520
  19. 3.62 Carat Round Lab-Grown Diamond, D VVS2, IGI LG693537424$937
  20. 3.66 Carat Round Lab-Grown Diamond, D VVS2, IGI LG696559956$1,147
  21. 3.46 Carat Round Lab-Grown Diamond, E VS1, IGI LG694584296$529
  22. 3.55 Carat Round Lab-Grown Diamond, D VS2, IGI LG696504040$645
  23. 3.51 Carat Round Lab-Grown Diamond, E VS1, IGI LG696566903$588
  24. 3.54 Carat Round Lab-Grown Diamond, E VS1, IGI LG696566972$592
  25. 3.53 Carat Round Lab-Grown Diamond, E VS1, IGI LG696576074$591
  26. 3.27 Carat Round Lab-Grown Diamond, D IF, IGI LG681578744$1,123
  27. 3.54 Carat Round Lab-Grown Diamond, D VVS1, IGI LG689568512$1,174
  28. 3.09 Carat Round Lab-Grown Diamond, D VVS1, IGI LG689568901$840
  29. 3.44 Carat Round Lab-Grown Diamond, D VS1, IGI LG694567948$676
  30. 3.50 Carat Round Lab-Grown Diamond, E VS1, IGI LG696576051$564
  31. 3.51 Carat Round Lab-Grown Diamond, E VS1, IGI LG696576088$588
  32. 3.53 Carat Round Lab-Grown Diamond, E VS1, IGI LG696576092$591
  33. 3.38 Carat Round Lab-Grown Diamond, E VS2, IGI LG696576123$541
  34. 3.60 Carat Round Lab-Grown Diamond, D VS2, IGI LG697505925$651
  35. 3.17 Carat Round Lab-Grown Diamond, I VVS2, IGI LG651483021$422
  36. 3.20 Carat Round Lab-Grown Diamond, G VVS2, IGI LG677514597$448
  37. 3.17 Carat Round Lab-Grown Diamond, G VVS2, IGI LG677514598$444
  38. 3.38 Carat Round Lab-Grown Diamond, F VS1, IGI LG632429692$756
  39. 3.54 Carat Round Lab-Grown Diamond, E VS1, IGI LG700582928$684
  40. 3.02 Carat Round Lab-Grown Diamond, D IF, IGI LG689566360$1,037
  41. 3.01 Carat Round Lab-Grown Diamond, E VS2, GIA 2484838950$1,249
  42. 3.35 Carat Round Lab-Grown Diamond, D VVS1, IGI LG702517488$874
  43. 3.24 Carat Round Lab-Grown Diamond, D IF, IGI LG702545550$1,070
  44. 3.04 Carat Round Lab-Grown Diamond, E VVS1, IGI LG691571326$749
  45. 3.37 Carat Round Lab-Grown Diamond, D VVS1, GIA 1515898567$1,833
  46. 3.79 Carat Round Lab-Grown Diamond, D VVS1, GIA 2516898013$2,551
  47. 3.39 Carat Round Lab-Grown Diamond, D IF, IGI LG702513014$970
  48. 3.26 Carat Round Lab-Grown Diamond, D IF, IGI LG702512989$936
  49. 3.07 Carat Round Lab-Grown Diamond, D IF, IGI LG702513007$882
  50. 3.43 Carat Round Lab-Grown Diamond, D IF, IGI LG702513015$1,010
  51. 3.13 Carat Round Lab-Grown Diamond, D IF, IGI LG702513011$898
  52. 3.40 Carat Round Lab-Grown Diamond, D IF, IGI LG704565924$1,002
  53. 3.10 Carat Round Lab-Grown Diamond, D IF, IGI LG704565944$890
  54. 3.01 Carat Round Lab-Grown Diamond, F VVS1, IGI LG703512227$603
  55. 3.33 Carat Round Lab-Grown Diamond, E VS1, IGI LG702578970$548
  56. 3.54 Carat Round Lab-Grown Diamond, D VS2, IGI LG696574984$602
  57. 3.55 Carat Round Lab-Grown Diamond, D VS2, IGI LG696574979$604
  58. 3.24 Carat Round Lab-Grown Diamond, E VVS1, IGI LG687507765$822
  59. 3.52 Carat Round Lab-Grown Diamond, D IF, IGI LG702513017$1,258
  60. 3.07 Carat Round Lab-Grown Diamond, D VVS1, GIA 1515898555$1,670