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Round|Lab Grown|IGI

1.51ct H VS1 Round Lab Grown Diamond

EX • H/VS1 • IGI LG816620204

Shape and cutting style on the report: Round brilliant

Certificate IGI LG816620204

Diamond specifications and retailer prices

From €191 EUR
As of November 3, 2026
Save €825 EUR (81%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €1,016 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 LG816620204 or 816620204. Listed at 20 retailers as of November 3, 2026, with prices from €191 to €1,016, a €825 spread on the same certified stone. Brilliant Earth lists it at €1,016. 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 angle32.6°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816620204
Dimensions7.51 × 7.48 × 4.44 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.51 mm7.48 mm1.51 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816620204
Side View
Table 61.0%Crown 32.6°Girdle: MediumPavilion 41.1°Culet: NoneDepth 59.3%

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 3
Current: €1,016 EUR|Low: €184 EUR|High: €1,336 EUR|Avg: €542 EUR|-24.0%
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
November 5, 2026
Retailer 8€191 EUR
Retailer 6€213 EUR
Retailer 3€221 EUR
Retailer 5€236 EUR
Retailer 14€236 EUR
Retailer 15€400 EUR
Retailer 12€405 EUR
Retailer 11€407 EUR
Retailer 13€551 EUR
Retailer 10€630 EUR
Retailer 9€646 EUR
Retailer 16€759 EUR
Retailer 7€766 EUR
Retailer 4€806 EUR
Retailer 2€944 EUR
Brilliant Earth€1,016 EUR

37 data points across 16 retailers

20 retailers€191 EUR to €1,016 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
-
€232 EUR
View
Price last confirmed 47 days ago
A
Retailer 6
-
€236 EUR
View
Retailer 7
-
€236 EUR
View
Price last confirmed 11 days ago
A
Retailer 8
-
€400 EUR
View
A
Retailer 9
-
€405 EUR
View
A
Retailer 10
-
€407 EUR
View
Retailer 11
-
€551 EUR
View
Price last confirmed 9 days ago
B+
Retailer 12
-
€630 EUR
View
B+
Retailer 13
-
€646 EUR
View
Retailer 14
-
€686 EUR
View
Price last confirmed 18 days ago
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
B
Brilliant Earth
21492018A · Nov 4
€1,016 EUR
$1,140 USD
View
19 more retailers have this diamond
Prices start from €191 EURSave up to €825 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