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 €449 EUR
$502 USD
As of October 29, 2026
Save €2,657 EUR (86%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: €3,106 EUR at Brilliant Earth · As of October 30, 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 €449 to €3,106, a €2,657 spread on the same certified stone. Brilliant Earth lists it at €3,106. 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
Color
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

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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: €3,106 EUR|Low: €431 EUR|High: €4,341 EUR|Avg: €1,319 EUR|-28.5%
Brilliant Earth
Retailer 2
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Retailer 24
October 30, 2026
Retailer 3€449 EUR
Retailer 4€503 EUR
Retailer 8€558 EUR
Retailer 23€558 EUR
Retailer 9€575 EUR
Retailer 2€715 EUR
Retailer 14€752 EUR
Retailer 19€814 EUR
Retailer 22€865 EUR
Retailer 21€868 EUR
Retailer 11€891 EUR
Retailer 7€917 EUR
Retailer 13€925 EUR
Retailer 20€958 EUR
Retailer 12€1,237 EUR
Retailer 10€1,466 EUR
Retailer 24€1,735 EUR
Retailer 6€1,815 EUR
Retailer 17€1,873 EUR
Retailer 5€1,931 EUR
Retailer 18€2,338 EUR
Retailer 15€2,436 EUR
Retailer 16€2,598 EUR
Brilliant Earth€3,106 EUR

30 data points across 24 retailers

24 retailers€449 EUR to €3,106 EUR

A
Cheapest Retailer
-
€449 EUR
$502 USD
A
Retailer 2
-
€503 EUR
$562 USD
View
Retailer 3
-
€558 EUR
$623 USD
View
Price last confirmed 15 days ago
A
Retailer 4
-
€558 EUR
$623 USD
View
A
Retailer 5
-
€575 EUR
$642 USD
View
Final sale: no returns
A
Retailer 6
-
€715 EUR
£629 GBP
View
A
Retailer 7
-
€752 EUR
$840 USD
View
A
Retailer 8
-
€814 EUR
View
B+
Retailer 9
-
€865 EUR
$966 USD
View
B+
Retailer 10
-
€868 EUR
$970 USD
View
B+
Retailer 11
-
€891 EUR
$995 USD
View
B+
Retailer 12
-
€917 EUR
$1,024 USD
View
B+
Retailer 13
-
€925 EUR
£814 GBP
View
B+
Retailer 14
-
€958 EUR
ZAR 17,286 ZAR
View
B+
Retailer 15
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€1,237 EUR
$1,382 USD
View
B+
Retailer 16
-
€1,466 EUR
$1,638 USD
View
B+
Retailer 17
-
€1,735 EUR
$1,938 USD
View
B
Retailer 18
-
€1,815 EUR
$2,027 USD
View
B
Retailer 19
-
€1,873 EUR
CA$2,906 CAD
View
B
Retailer 20
-
€1,931 EUR
$2,158 USD
View
B
Retailer 21
-
€2,338 EUR
£2,057 GBP
View
B
Retailer 22
-
€2,436 EUR
$2,721 USD
View
B
Retailer 23
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€2,598 EUR
$2,903 USD
View
Most Expensive
B
Brilliant Earth
21790186A · Oct 30
€3,106 EUR
$3,470 USD
View
23 more retailers have this diamond
Prices start from €449 EURSave up to €2,657 EUR

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
€449 EUR