Round|Lab Grown|IGI

1.51ct H VS1 Round Lab Grown Diamond

ID • H/VS1 • IGI LG799642664

Shape and cutting style on the report: Round brilliant

Certificate IGI LG799642664

Diamond specifications and retailer prices

From €191 EUR
As of November 3, 2026
Save €753 EUR (80%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €1,194 EUR at Brilliant Earth · As of October 16, 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 LG799642664 or 799642664. Listed at 20 retailers as of November 3, 2026, with a 395% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799642664
Dimensions7.34 × 7.28 × 4.53 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
7.34 mm7.28 mm1.51 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799642664
Side View
Table 60.0%Crown 35.2°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 61.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 3
Current: €1,194 EUR|Low: €187 EUR|High: €1,194 EUR|Avg: €537 EUR|+10.7%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 5, 2026
Retailer 8€191 EUR
Retailer 6€213 EUR
Retailer 4€221 EUR
Retailer 5€236 EUR
Retailer 16€236 EUR
Retailer 17€400 EUR
Retailer 14€405 EUR
Retailer 12€407 EUR
Retailer 13€530 EUR
Retailer 15€551 EUR
Retailer 11€630 EUR
Retailer 10€646 EUR
Retailer 3€759 EUR
Retailer 7€766 EUR
Retailer 9€806 EUR
Retailer 2€944 EUR
Brilliant Earth€1,194 EUR

34 data points across 17 retailers

20 retailers€191 EUR to €944 EUR

Retailer 1
-
€190 EUR
Price last confirmed 48 days ago
A
Retailer 2
-
€191 EUR
View
A
Retailer 3
-
€213 EUR
View
Final sale: no returns
A
Retailer 4
-
€221 EUR
View
Retailer 5
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€232 EUR
View
Price last confirmed 47 days ago
Retailer 6
-
€236 EUR
View
Price last confirmed 11 days ago
A
Retailer 7
-
€236 EUR
View
A
Retailer 8
-
€400 EUR
View
A
Retailer 9
-
€405 EUR
View
A
Retailer 10
-
€407 EUR
View
A
Retailer 11
-
€530 EUR
View
Retailer 12
-
€551 EUR
View
Price last confirmed 9 days ago
B+
Retailer 13
-
€630 EUR
View
B+
Retailer 14
-
€646 EUR
View
Retailer 15
-
€756 EUR
View
Price last confirmed 45 days ago
B+
Retailer 16
-
€759 EUR
View
B+
Retailer 17
-
€766 EUR
View
B+
Retailer 18
-
€806 EUR
View
B+
Retailer 19
-
€944 EUR
View
Most Expensive
Brilliant Earth
21503762A · Oct 16
€1,194 EUR
$1,340 USD
View
Price last confirmed 20 days ago
19 more retailers have this diamond
Prices start from €191 EURSave up to €753 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
€191 EUR