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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 £261 GBP
As of November 1, 2026
Save £806 GBP (76%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £1,067 GBP at Brilliant Earth · As of November 3, 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 21 retailers as of November 1, 2026, with prices from £261 to £1,067, a £806 spread on the same certified stone. Brilliant Earth lists it at £1,067. 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
Colour
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: Nov 1
Current: £1,067 GBP|Low: £156 GBP|High: £1,067 GBP|Avg: £478 GBP|+5.1%
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
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Retailer 17
November 3, 2026
Retailer 3£156 GBP
Retailer 5£175 GBP
Retailer 14£181 GBP
Retailer 13£261 GBP
Retailer 15£332 GBP
Retailer 2£351 GBP
Retailer 10£356 GBP
Retailer 17£372 GBP
Retailer 12£382 GBP
Retailer 7£451 GBP
Retailer 11£501 GBP
Retailer 6£660 GBP
Retailer 9£707 GBP
Retailer 16£756 GBP
Retailer 4£787 GBP
Retailer 8£800 GBP
Brilliant Earth£1,067 GBP

41 data points across 17 retailers

21 retailers£261 GBP to £1,067 GBP

Retailer 1
-
£156 GBP
Price last confirmed 9 days ago
Retailer 2
-
£181 GBP
View
Price last confirmed 8 days ago
Retailer 3
-
£199 GBP
View
Price last confirmed 11 days ago
Retailer 4
-
£199 GBP
View
Price last confirmed 11 days ago
B+
Retailer 5
-
£261 GBP
View
Retailer 6
-
£332 GBP
View
Price last confirmed 8 days ago
A
Retailer 7
-
£351 GBP
View
A
Retailer 8
-
£356 GBP
View
A
Retailer 9
-
£372 GBP
View
A
Retailer 10
-
£382 GBP
View
Retailer 11
-
£451 GBP
View
Price last confirmed 9 days ago
B+
Retailer 12
-
£501 GBP
View
Retailer 13
-
£641 GBP
View
Price last confirmed 11 days ago
B+
Retailer 14
-
£660 GBP
View
B+
Retailer 15
-
£701 GBP
View
Retailer 16
-
£707 GBP
View
Price last confirmed 17 days ago
Retailer 17
-
£756 GBP
View
Price last confirmed 9 days ago
B
Retailer 18
-
£787 GBP
View
Retailer 19
-
£800 GBP
View
Price last confirmed 11 days ago
Retailer 20
-
£1,015 GBP
View
Price last confirmed 20 days ago
Most Expensive
B
Brilliant Earth
11172632A · Nov 3
£1,067 GBP
$1,440 USD
View
20 more retailers have this diamond
Prices start from £261 GBPSave up to £806 GBP

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
£261 GBP