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 270

16,173 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. 3.06 Carat Round Lab-Grown Diamond, E VS1, IGI LG840650709$496
  2. 3.05 Carat Round Lab-Grown Diamond, E VS1, IGI LG840650724$559
  3. 3.08 Carat Round Lab-Grown Diamond, E VVS1, IGI LG840650725$650
  4. 3.07 Carat Round Lab-Grown Diamond, E VS1, IGI LG840651903$498
  5. 3.59 Carat Round Lab-Grown Diamond, E VVS2, IGI LG840654166$592
  6. 3.04 Carat Round Lab-Grown Diamond, E VVS1, IGI LG841607207$643
  7. 3.00 Carat Round Lab-Grown Diamond, D VVS2, IGI LG841607211$766
  8. 3.01 Carat Round Lab-Grown Diamond, E VVS2, IGI LG841607221$560
  9. 3.05 Carat Round Lab-Grown Diamond, E VVS2, IGI LG841618960$567
  10. 3.00 Carat Round Lab-Grown Diamond, E VS1, IGI LG841618977$550
  11. 3.09 Carat Round Lab-Grown Diamond, E VS1, IGI LG841623267$501
  12. 3.01 Carat Round Lab-Grown Diamond, D VVS2, IGI LG841623270$769
  13. 3.01 Carat Round Lab-Grown Diamond, E VS1, IGI LG841634073$552
  14. 3.03 Carat Round Lab-Grown Diamond, E VVS2, IGI LG841642784$563
  15. 3.05 Carat Round Lab-Grown Diamond, E VVS2, IGI LG841642800$567
  16. 3.10 Carat Round Lab-Grown Diamond, D VVS2, IGI LG841642805$697
  17. 3.08 Carat Round Lab-Grown Diamond, E VVS1, IGI LG841645170$650
  18. 3.01 Carat Round Lab-Grown Diamond, E VVS2, IGI LG841645202$560
  19. 3.02 Carat Round Lab-Grown Diamond, E VS1, IGI LG841678397$553
  20. 3.01 Carat Round Lab-Grown Diamond, E VVS2, IGI LG833697854$515
  21. 3.04 Carat Round Lab-Grown Diamond, E VS1, IGI LG835668786$699
  22. 3.01 Carat Round Lab-Grown Diamond, D VS1, IGI LG836691238$654
  23. 3.01 Carat Round Lab-Grown Diamond, E VVS2, IGI LG837608571$795
  24. 3.02 Carat Round Lab-Grown Diamond, E VVS2, IGI LG837608577$798
  25. 3.02 Carat Round Lab-Grown Diamond, E VVS2, IGI LG837633542$798
  26. 3.04 Carat Round Lab-Grown Diamond, D VVS2, IGI LG838610588$729
  27. 3.03 Carat Round Lab-Grown Diamond, E VVS2, IGI LG839607331$512
  28. 3.03 Carat Round Lab-Grown Diamond, E VVS2, IGI LG839607341$512
  29. 3.01 Carat Round Lab-Grown Diamond, E VVS2, IGI LG839687611$510
  30. 3.09 Carat Round Lab-Grown Diamond, E VVS2, IGI LG841607210$514
  31. 3.09 Carat Round Lab-Grown Diamond, E VVS2, IGI LG841623261$514
  32. 3.06 Carat Round Lab-Grown Diamond, E VVS2, IGI LG841623265$510
  33. 3.08 Carat Round Lab-Grown Diamond, E VVS2, IGI LG833693696$683