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Round|Lab Grown|IGI

1.51ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG837628424

Certificate IGI LG837628424

Diamond specifications and retailer prices

From $715 AUD
$502 USD
As of October 29, 2026
Save $6,189 AUD (90%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $6,903 AUD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.51ct lab-grown round diamond

This 1.51ct lab-grown round sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG837628424 or 837628424. Listed at 24 retailers as of October 29, 2026, with prices from $715 to $6,903, a $6,189 spread on the same certified stone. Brilliant Earth lists it at $6,903. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG837628424
Dimensions7.37 × 7.41 × 4.53 mm
L/W Ratio1.01
Top View
7.37 mm7.41 mm1.51 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837628424
Side View
Table 57.0%CrownGirdle: MediumPavilionCulet: NoneDepth 61.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $6,903 AUD|Low: $686 AUD|High: $6,903 AUD|Avg: $2,102 AUD
Brilliant Earth
Retailer 2
Retailer 3
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Retailer 6
Retailer 7
Retailer 8
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Retailer 24
October 30, 2026
Retailer 3$715 AUD
Retailer 4$800 AUD
Retailer 8$887 AUD
Retailer 23$887 AUD
Retailer 9$914 AUD
Retailer 20$1,134 AUD
Retailer 14$1,196 AUD
Retailer 18$1,294 AUD
Retailer 22$1,375 AUD
Retailer 21$1,381 AUD
Retailer 11$1,416 AUD
Retailer 7$1,458 AUD
Retailer 2$1,471 AUD
Retailer 19$1,523 AUD
Retailer 12$1,967 AUD
Retailer 10$2,332 AUD
Retailer 24$2,759 AUD
Retailer 6$2,886 AUD
Retailer 17$2,979 AUD
Retailer 5$3,071 AUD
Retailer 13$3,718 AUD
Retailer 15$3,873 AUD
Retailer 16$4,132 AUD
Brilliant Earth$6,903 AUD

30 data points across 24 retailers

24 retailers$715 AUD to $6,903 AUD

A
Cheapest Retailer
-
$715 AUD
$502 USD
A
Retailer 2
-
$800 AUD
$562 USD
View
Retailer 3
-
$887 AUD
$623 USD
View
Price last confirmed 14 days ago
A
Retailer 4
-
$887 AUD
$623 USD
View
A
Retailer 5
-
$914 AUD
$642 USD
View
Final sale: no returns
Retailer 6
-
$1,134 AUD
£627 GBP
View
Price last confirmed 8 days ago
A
Retailer 7
-
$1,196 AUD
$840 USD
View
A
Retailer 8
-
$1,294 AUD
€866 EUR
View
A
Retailer 9
-
$1,375 AUD
$966 USD
View
B+
Retailer 10
-
$1,381 AUD
$970 USD
View
A
Retailer 11
-
$1,416 AUD
$995 USD
View
A
Retailer 12
-
$1,458 AUD
$1,024 USD
View
B+
Retailer 13
-
$1,471 AUD
£814 GBP
View
B+
Retailer 14
-
$1,523 AUD
ZAR 17,286 ZAR
View
B+
Retailer 15
-
$1,967 AUD
$1,382 USD
View
B+
Retailer 16
-
$2,332 AUD
$1,638 USD
View
B+
Retailer 17
-
$2,759 AUD
$1,938 USD
View
B
Retailer 18
-
$2,886 AUD
$2,027 USD
View
B
Retailer 19
-
$2,979 AUD
CA$2,906 CAD
View
B
Retailer 20
-
$3,071 AUD
$2,158 USD
View
B
Retailer 21
-
$3,718 AUD
£2,057 GBP
View
B
Retailer 22
-
$3,873 AUD
$2,721 USD
View
B
Retailer 23
-
$4,132 AUD
$2,903 USD
View
Most Expensive
B
Brilliant Earth
21790186A · Oct 29
$6,903 AUD
$4,850 USD
View
23 more retailers have this diamond
Prices start from $715 AUDSave up to $6,189 AUD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.51ct Round
$715 AUD