1 Carat Marquise Lab-Grown Diamonds

Shop certified 1 carat marquise 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 1 Carat Marquise Lab-Grown Diamonds

11,232 certified 1 carat marquise lab-grown diamonds in stock. Every stone ships free with its grading report; open any listing for the 360° view, full certificate and price.

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  1. 1.08 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG835663902$218
  2. 1.09 Carat Marquise Lab-Grown Diamond, E VS2, IGI LG836633611$196
  3. 1.01 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG838655458$181
  4. 1.04 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG838655459$185
  5. 1.28 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG838655460$228
  6. 1.44 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG838655463$279
  7. 1.01 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG838655464$189
  8. 1.07 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG838641749$186
  9. 1.10 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG839609710$211
  10. 1.00 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG833695178$209
  11. 1.01 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG833695210$200
  12. 1.01 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG837652577$210
  1. 1.32 Carat Marquise Lab-Grown Diamond, F IF, IGI LG638468004$353
  2. 1.01 Carat Marquise Lab-Grown Diamond, E IF, IGI LG605360409$287
  3. 1.05 Carat Marquise Lab-Grown Diamond, D IF, IGI LG625439413$318
  4. 1.03 Carat Marquise Lab-Grown Diamond, E IF, IGI LG627461267$312
  5. 1.04 Carat Marquise Lab-Grown Diamond, E IF, IGI LG630428922$294
  6. 1.06 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG670402547$395
  7. 1.18 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG605327157$241
  8. 1.05 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG677577214$391
  9. 1.08 Carat Marquise Lab-Grown Diamond, D IF, IGI LG690524294$286
  10. 1.17 Carat Marquise Lab-Grown Diamond, D IF, IGI LG705517327$277
  11. 1.08 Carat Marquise Lab-Grown Diamond, D IF, IGI LG722507903$259
  12. 1.04 Carat Marquise Lab-Grown Diamond, D IF, IGI LG724582503$259
  13. 1.04 Carat Marquise Lab-Grown Diamond, D IF, IGI LG726571582$251
  14. 1.02 Carat Marquise Lab-Grown Diamond, E IF, IGI LG729594443$305
  15. 1.24 Carat Marquise Lab-Grown Diamond, E VS2, IGI LG715553087$216
  16. 1.05 Carat Marquise Lab-Grown Diamond, D IF, GIA 1513466426$676
  17. 1.04 Carat Marquise Lab-Grown Diamond, E VVS1, GIA 5231564040$512
  18. 1.02 Carat Marquise Lab-Grown Diamond, D IF, GIA 5231565671$658
  19. 1.17 Carat Marquise Lab-Grown Diamond, E VVS1, GIA 5493437298$952
  20. 1.03 Carat Marquise Lab-Grown Diamond, D IF, IGI 605311162$308
  21. 1.01 Carat Marquise Lab-Grown Diamond, E IF, IGI 605377357$281
  22. 1.06 Carat Marquise Lab-Grown Diamond, E IF, GIA 6502862379$785
  23. 1.10 Carat Marquise Lab-Grown Diamond, E IF, GIA 6511580945$813
  24. 1.22 Carat Marquise Lab-Grown Diamond, E IF, GIA 6525139609$924
  25. 1.08 Carat Marquise Lab-Grown Diamond, E VVS1, GIA 7506384968$532
  26. 1.02 Carat Marquise Lab-Grown Diamond, H VS1, IGI LG425067440$823
  27. 1.00 Carat Marquise Lab-Grown Diamond, I VS1, IGI LG425067467$1,350
  28. 1.07 Carat Marquise Lab-Grown Diamond, I VS1, IGI LG425067469$1,442
  29. 1.01 Carat Marquise Lab-Grown Diamond, I VS1, IGI LG425067769$1,362
  30. 1.03 Carat Marquise Lab-Grown Diamond, I VS2, IGI LG425067821$1,319
  31. 1.07 Carat Marquise Lab-Grown Diamond, I VS1, IGI LG425067829$1,442
  32. 1.00 Carat Marquise Lab-Grown Diamond, H VVS2, IGI LG436045809$860
  33. 1.32 Carat Marquise Lab-Grown Diamond, I VS2, IGI LG436045813$857
  34. 1.02 Carat Marquise Lab-Grown Diamond, H VS2, IGI LG436045814$755
  35. 1.02 Carat Marquise Lab-Grown Diamond, I VS2, IGI LG436046304$1,306
  36. 1.00 Carat Marquise Lab-Grown Diamond, I VS1, IGI LG436046305$1,350
  37. 1.08 Carat Marquise Lab-Grown Diamond, H SI1, IGI LG436046744$687
  38. 1.00 Carat Marquise Lab-Grown Diamond, H VS2, IGI LG436047237$741
  39. 1.01 Carat Marquise Lab-Grown Diamond, I VVS2, IGI LG436047293$1,464
  40. 1.00 Carat Marquise Lab-Grown Diamond, I SI1, IGI LG436047370$1,113
  41. 1.01 Carat Marquise Lab-Grown Diamond, H VS1, IGI LG436072048$816
  42. 1.02 Carat Marquise Lab-Grown Diamond, I VS2, IGI LG436072050$1,306
  43. 1.06 Carat Marquise Lab-Grown Diamond, H SI1, IGI LG436072662$676
  44. 1.43 Carat Marquise Lab-Grown Diamond, H SI1, IGI LG436072886$902
  45. 1.00 Carat Marquise Lab-Grown Diamond, H SI1, IGI LG436072901$640
  46. 1.00 Carat Marquise Lab-Grown Diamond, I VS1, IGI LG436072902$1,350
  47. 1.07 Carat Marquise Lab-Grown Diamond, H SI1, IGI LG436074722$682
  48. 1.12 Carat Marquise Lab-Grown Diamond, D VS1, IGI LG487109250$234
  49. 1.09 Carat Marquise Lab-Grown Diamond, H VVS1, IGI LG496127972$251
  50. 1.00 Carat Marquise Lab-Grown Diamond, H VS1, IGI LG499125803$808
  51. 1.04 Carat Marquise Lab-Grown Diamond, G VS2, IGI LG499126920$875
  52. 1.14 Carat Marquise Lab-Grown Diamond, H VS1, IGI LG500143697$917
  53. 1.03 Carat Marquise Lab-Grown Diamond, G VVS2, IGI LG500143700$1,040
  54. 1.00 Carat Marquise Lab-Grown Diamond, H VS1, IGI LG500143707$808
  55. 1.00 Carat Marquise Lab-Grown Diamond, G VS1, IGI LG500144857$944
  56. 1.19 Carat Marquise Lab-Grown Diamond, D VS1, IGI LG500145699$237
  57. 1.01 Carat Marquise Lab-Grown Diamond, H VS1, IGI LG500146058$816
  58. 1.00 Carat Marquise Lab-Grown Diamond, H VS1, IGI LG500146065$808
  59. 1.01 Carat Marquise Lab-Grown Diamond, G VS1, IGI LG500146071$952
  60. 1.02 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG500146073$1,030