Radiant|Lab Grown|IGI

1.20ct G VS1 Radiant Lab Grown Diamond

ID • G/VS1 • IGI LG591376991

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG591376991

Diamond specifications and retailer prices

From €505 EUR
£446 GBP
As of October 31, 2026
13 retailers carry this diamond
Most expensive: €1,016 EUR at MOH London · As of October 8, 2026
View at MOH London

About this 1.2ct lab-grown radiant diamond

This 1.2ct lab-grown radiant sits in the classic one-carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG591376991 or 591376991. Listed at 13 retailers as of October 31, 2026. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.8°
Pavilion angle34.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG591376991
Dimensions7.71 × 5.15 × 3.44 mm
L/W Ratio1.50
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.71 mm5.15 mm1.20 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG591376991
Side View
Table 63.0%Crown 41.8°Girdle: MediumPavilion 34.7°Culet: NoneDepth 66.8%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 31
Current: €1,016 EUR|Low: €177 EUR|High: €1,507 EUR|Avg: €583 EUR|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 14, 2026
Retailer 3€177 EUR
Retailer 6€265 EUR
Retailer 2€269 EUR
Retailer 9€298 EUR
Retailer 5€370 EUR
Retailer 4€388 EUR
Retailer 11€523 EUR
Retailer 8€604 EUR
Retailer 10€852 EUR
MOH London€1,016 EUR
Retailer 7€1,195 EUR

27 data points across 11 retailers

13 retailers

Retailer 1
-
€159 EUR
$178 USD
Price last confirmed 22 days ago
Retailer 2
-
€184 EUR
$206 USD
View
Price last confirmed 19 days ago
Retailer 3
-
€197 EUR
$221 USD
View
Price last confirmed 21 days ago
Retailer 4
-
€197 EUR
$221 USD
View
Price last confirmed 22 days ago
Retailer 5
-
€265 EUR
$297 USD
View
Price last confirmed 19 days ago
Retailer 6
-
€269 EUR
£237 GBP
View
Price last confirmed 19 days ago
Retailer 7
-
€370 EUR
ZAR 6,703 ZAR
View
Price last confirmed 20 days ago
Retailer 8
-
€388 EUR
£343 GBP
View
Price last confirmed 19 days ago
B+
Retailer 9
-
€505 EUR
£446 GBP
View
Retailer 10
-
€604 EUR
$678 USD
View
Price last confirmed 19 days ago
Retailer 11
-
€698 EUR
$783 USD
View
Price last confirmed 23 days ago
Retailer 12
-
€852 EUR
$955 USD
View
Price last confirmed 19 days ago
Most Expensive
MOH London
LG591376991 · Oct 8
€1,016 EUR
£897 GBP
View
Price last confirmed 25 days ago
12 more retailers have this diamond
Prices start from €505 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.

B+
1.20ct Radiant
€505 EUR