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Round|Lab Grown|IGI

1.51ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG837628424

Shape and cutting style on the report: Round brilliant

Certificate IGI LG837628424

Diamond specifications and retailer prices

From €448 EUR
$502 USD
As of November 1, 2026
Save €2,646 EUR (86%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: €3,094 EUR at Brilliant Earth · As of November 2, 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 November 1, 2026, with prices from €448 to €3,094, a €2,646 spread on the same certified stone. Brilliant Earth lists it at €3,094. 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
Crown angle33.4°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837628424
Dimensions7.37 × 7.41 × 4.53 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.37 mm7.41 mm1.51 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837628424
Side View
Table 57.0%Crown 33.4°Girdle: MediumPavilion 41.1°Culet: 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: Nov 1
Current: €3,094 EUR|Low: €430 EUR|High: €4,324 EUR|Avg: €1,311 EUR|-28.5%
Brilliant Earth
Retailer 2
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Retailer 24
November 2, 2026
Retailer 3€448 EUR
Retailer 4€501 EUR
Retailer 8€555 EUR
Retailer 23€555 EUR
Retailer 9€572 EUR
Retailer 18€711 EUR
Retailer 14€749 EUR
Retailer 2€813 EUR
Retailer 22€861 EUR
Retailer 21€865 EUR
Retailer 11€887 EUR
Retailer 7€913 EUR
Retailer 19€914 EUR
Retailer 13€957 EUR
Retailer 12€1,232 EUR
Retailer 10€1,460 EUR
Retailer 24€1,728 EUR
Retailer 6€1,808 EUR
Retailer 17€1,866 EUR
Retailer 5€1,924 EUR
Retailer 20€2,317 EUR
Retailer 15€2,426 EUR
Retailer 16€2,588 EUR
Brilliant Earth€3,094 EUR

33 data points across 24 retailers

24 retailers€448 EUR to €3,094 EUR

A
Cheapest Retailer
-
€448 EUR
$502 USD
A
Retailer 2
-
€501 EUR
$562 USD
View
Retailer 3
-
€555 EUR
$623 USD
View
Price last confirmed 17 days ago
A
Retailer 4
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€555 EUR
$623 USD
View
A
Retailer 5
-
€572 EUR
$642 USD
View
Final sale: no returns
A
Retailer 6
-
€711 EUR
£627 GBP
View
A
Retailer 7
-
€749 EUR
$840 USD
View
A
Retailer 8
-
€813 EUR
View
B+
Retailer 9
-
€861 EUR
$966 USD
View
B+
Retailer 10
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€865 EUR
$970 USD
View
B+
Retailer 11
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€887 EUR
$995 USD
View
B+
Retailer 12
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€913 EUR
$1,024 USD
View
B+
Retailer 13
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€914 EUR
£807 GBP
View
B+
Retailer 14
-
€957 EUR
ZAR 17,347 ZAR
View
B+
Retailer 15
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€1,232 EUR
$1,382 USD
View
B+
Retailer 16
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€1,460 EUR
$1,638 USD
View
B+
Retailer 17
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€1,728 EUR
$1,938 USD
View
B
Retailer 18
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€1,808 EUR
$2,027 USD
View
B
Retailer 19
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€1,866 EUR
CA$2,906 CAD
View
B
Retailer 20
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€1,924 EUR
$2,158 USD
View
B
Retailer 21
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€2,317 EUR
£2,046 GBP
View
B
Retailer 22
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€2,426 EUR
$2,721 USD
View
B
Retailer 23
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€2,588 EUR
$2,903 USD
View
Most Expensive
B
Brilliant Earth
21790186A · Nov 2
€3,094 EUR
$3,470 USD
View
23 more retailers have this diamond
Prices start from €448 EURSave up to €2,646 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
€448 EUR