Radiant|Lab Grown|IGI

1.21ct G VVS2 Radiant Lab Grown Diamond

ID • G/VVS2 • IGI LG591377046

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

Certificate IGI LG591377046

Diamond specifications and retailer prices

From $598 USD
£471 GBP
As of October 28, 2026
9 retailers carry this diamond
Most expensive: $1,129 USD at MOH London · As of October 1, 2026
View at MOH London

About this 1.21ct lab-grown radiant diamond

This 1.21ct lab-grown radiant sits in the classic one-carat band, graded G colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG591377046 or 591377046. Listed at 9 retailers as of October 28, 2026. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
G
Color
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.5°
Pavilion angle35.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG591377046
Dimensions7.68 × 5.19 × 3.55 mm
L/W Ratio1.48
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
7.68 mm5.19 mm1.21 ctG / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG591377046
Side View
Table 65.0%Crown 44.5°Girdle: MediumPavilion 35.7°Culet: NoneDepth 68.4%

Caratlytics Score

How it works →
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: Oct 28
Current: $1,129 USD|Low: $139 USD|High: $1,670 USD|Avg: $737 USD|+1.3%
MOH London
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
October 1, 2026
Retailer 11$195 USD
Retailer 13$292 USD
Retailer 12$353 USD
Retailer 2$405 USD
Retailer 7$424 USD
Retailer 10$580 USD
Retailer 5$604 USD
Retailer 8$664 USD
Retailer 14$940 USD
Retailer 3$1,030 USD
Retailer 4$1,117 USD
MOH London$1,129 USD
Retailer 6$1,143 USD
Retailer 9$1,310 USD

17 data points across 14 retailers

9 retailers

A
Retailer 1
-
$174 USD
Price last confirmed 29 days ago
A
Retailer 2
-
$202 USD
View
Price last confirmed 31 days ago
A
Retailer 3
-
$213 USD
View
Price last confirmed 30 days ago
A
Retailer 4
-
$405 USD
ZAR 6,538 ZAR
View
Price last confirmed 28 days ago
B+
Retailer 5
-
$598 USD
£471 GBP
View
B+
Retailer 6
-
$664 USD
View
Price last confirmed 28 days ago
B+
Retailer 7
-
$767 USD
View
Price last confirmed 28 days ago
B
Retailer 8
-
$940 USD
View
Price last confirmed 28 days ago
Most Expensive
B
MOH London
LG591377046 · Oct 1
$1,129 USD
£889 GBP
View
Price last confirmed 28 days ago
8 more retailers have this diamond
Prices start from $598 USD

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
1.21ct Radiant
$598 USD