Radiant|Lab Grown|IGI

1.51ct G VVS2 Radiant Lab Grown Diamond

ID • G/VVS2 • IGI LG638430101

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

Certificate IGI LG638430101

Diamond specifications and retailer prices

From $210 USD
As of October 27, 2026
Save $990 USD (83%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $1,370 USD at Brilliant Earth · As of October 16, 2026
View at Brilliant Earth

About this 1.51ct lab-grown radiant diamond

This 1.51ct lab-grown radiant sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG638430101 or 638430101. Listed at 23 retailers as of October 27, 2026, with a 471% 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
G
Color
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.6°
Pavilion angle34.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG638430101
Dimensions8.22 × 5.68 × 3.79 mm
L/W Ratio1.45
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.22 mm5.68 mm1.51 ctG / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG638430101
Side View
Table 65.0%Crown 41.6°Girdle: MediumPavilion 34.7°Culet: NoneDepth 66.7%

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: Oct 27
Current: $1,200 USD|Low: $210 USD|High: $1,370 USD|Avg: $640 USD|-12.4%
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
October 31, 2026
Retailer 3$210 USD
Retailer 5$236 USD
Retailer 14$244 USD
Retailer 12$352 USD
Retailer 15$448 USD
Retailer 13$479 USD
Retailer 2$489 USD
Retailer 17$502 USD
Retailer 11$516 USD
Retailer 7$609 USD
Retailer 10$676 USD
Retailer 6$892 USD
Retailer 9$955 USD
Retailer 16$1,021 USD
Retailer 4$1,063 USD
Retailer 8$1,081 USD
Brilliant Earth$1,200 USD

42 data points across 17 retailers

23 retailers$210 USD to $1,200 USD

A
Cheapest Retailer
-
$210 USD
A
Retailer 2
-
$236 USD
View
Final sale: no returns
A
Retailer 3
-
$244 USD
View
A
Retailer 4
-
$269 USD
View
A
Retailer 5
-
$269 USD
View
B+
Retailer 6
-
$352 USD
View
A
Retailer 7
-
$448 USD
ZAR 7,240 ZAR
View
A
Retailer 8
-
$479 USD
£377 GBP
View
A
Retailer 9
-
$489 USD
€466 EUR
View
A
Retailer 10
-
$502 USD
View
A
Retailer 11
-
$516 USD
View
A
Retailer 12
-
$609 USD
A$937 AUD
View
B+
Retailer 13
-
$676 USD
View
Retailer 14
-
$790 USD
View
Price last confirmed 25 days ago
B
Retailer 15
-
$866 USD
View
B+
Retailer 16
-
$892 USD
View
B+
Retailer 17
-
$946 USD
View
Retailer 18
-
$955 USD
View
Price last confirmed 12 days ago
B
Retailer 19
-
$1,021 USD
£804 GBP
View
B
Retailer 20
-
$1,063 USD
View
B
Retailer 21
-
$1,081 USD
£851 GBP
View
B
Retailer 22
-
$1,200 USD
View
Most Expensive
Brilliant Earth
14449008A · Oct 16
$1,370 USD
View
Price last confirmed 14 days ago
22 more retailers have this diamond
Prices start from $210 USDSave up to $990 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
1.51ct Radiant
$210 USD