Round|Lab Grown|IGI

1.51ct H VS1 Round Lab Grown Diamond

EX • H/VS1 • IGI LG839672588

Shape and cutting style on the report: Round brilliant

Certificate IGI LG839672588

Diamond specifications and retailer prices

From €228 EUR
As of October 31, 2026
Save €850 EUR (79%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €1,078 EUR at Brilliant Earth · As of November 4, 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 H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG839672588 or 839672588. Listed at 20 retailers as of October 31, 2026, with prices from €228 to €1,078, a €850 spread on the same certified stone. Brilliant Earth lists it at €1,078. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
H
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.2°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839672588
Dimensions7.40 × 7.45 × 4.44 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.40 mm7.45 mm1.51 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839672588
Side View
Table 59.0%Crown 32.2°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 59.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: €1,078 EUR|Low: €153 EUR|High: €1,238 EUR|Avg: €470 EUR|-12.9%
Brilliant Earth
Retailer 2
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Retailer 20
November 3, 2026
Retailer 4€159 EUR
Retailer 7€185 EUR
Retailer 3€198 EUR
Retailer 5€198 EUR
Retailer 19€228 EUR
Retailer 9€267 EUR
Retailer 14€308 EUR
Retailer 15€339 EUR
Retailer 2€344 EUR
Retailer 8€389 EUR
Retailer 10€429 EUR
Retailer 16€460 EUR
Retailer 13€468 EUR
Retailer 6€635 EUR
Retailer 12€658 EUR
Retailer 20€677 EUR
Retailer 18€683 EUR
Retailer 11€785 EUR
Retailer 17€925 EUR
Brilliant Earth€1,078 EUR

33 data points across 20 retailers

20 retailers€228 EUR to €1,078 EUR

Retailer 1
-
€159 EUR
Price last confirmed 18 days ago
Retailer 2
-
€185 EUR
View
Price last confirmed 23 days ago
Retailer 3
-
€198 EUR
View
Price last confirmed 20 days ago
Retailer 4
-
€198 EUR
View
Price last confirmed 17 days ago
A
Retailer 5
-
€228 EUR
View
B+
Retailer 6
-
€267 EUR
View
A
Retailer 7
-
€308 EUR
View
Retailer 8
-
€339 EUR
View
Price last confirmed 9 days ago
A
Retailer 9
-
€344 EUR
View
A
Retailer 10
-
€389 EUR
View
A
Retailer 11
-
€429 EUR
View
Retailer 12
-
€460 EUR
View
Price last confirmed 10 days ago
A
Retailer 13
-
€468 EUR
View
Retailer 14
-
€635 EUR
View
Price last confirmed 18 days ago
Retailer 15
-
€658 EUR
View
Price last confirmed 7 days ago
Retailer 16
-
€677 EUR
View
Price last confirmed 15 days ago
B+
Retailer 17
-
€683 EUR
View
B+
Retailer 18
-
€785 EUR
View
Retailer 19
-
€925 EUR
View
Price last confirmed 10 days ago
Most Expensive
B
Brilliant Earth
21790827A · Nov 4
€1,078 EUR
$1,210 USD
View
19 more retailers have this diamond
Prices start from €228 EURSave up to €850 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
€228 EUR