Radiant|Lab Grown|IGI

1.51ct E VVS1 Radiant Lab Grown Diamond

EX • E/VVS1 • IGI LG634431150

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

Certificate IGI LG634431150

Diamond specifications and retailer prices

From £972 GBP
As of October 28, 2026
22 retailers carry this diamond
Most expensive: £1,095 GBP at Rare Carat · As of July 27, 2026
View at Rare Carat

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 E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG634431150 or 634431150. Listed at 22 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

1.51
Carat
E
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.6°
Pavilion angle35.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG634431150
Dimensions5.75 × 5.75 × 8.05 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
5.75 mm5.75 mm1.51 ctE / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG634431150
Side View
Table 63.0%Crown 43.6°Girdle: MediumPavilion 35.7°Culet: NoneDepth 67.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 28
Current: £355 GBP|Low: £152 GBP|High: £925 GBP|Avg: £428 GBP|+2.0%
Retailer 1
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
Retailer 18
Retailer 19
October 20, 2026
Retailer 3£159 GBP
Retailer 19£178 GBP
Retailer 7£185 GBP
Retailer 6£197 GBP
Retailer 8£197 GBP
Retailer 16£210 GBP
Retailer 5£264 GBP
Retailer 12£317 GBP
Retailer 13£336 GBP
Retailer 1£355 GBP
Retailer 11£399 GBP
Retailer 9£445 GBP
Retailer 15£464 GBP
Retailer 17£508 GBP
Retailer 10£767 GBP
Retailer 14£794 GBP
Retailer 18£803 GBP
Retailer 4£859 GBP
Retailer 2£925 GBP

36 data points across 19 retailers

22 retailers

A
Retailer 1
-
£159 GBP
$212 USD
Price last confirmed 10 days ago
A
Retailer 2
-
£185 GBP
$246 USD
View
Price last confirmed 16 days ago
A
Retailer 3
-
£197 GBP
$263 USD
View
Price last confirmed 13 days ago
A
Retailer 4
-
£197 GBP
$263 USD
View
Price last confirmed 10 days ago
A
Retailer 5
-
£210 GBP
View
Price last confirmed 13 days ago
B+
Retailer 6
-
£264 GBP
$352 USD
View
Price last confirmed 11 days ago
A
Retailer 7
-
£336 GBP
ZAR 7,220 ZAR
View
Price last confirmed 11 days ago
A
Retailer 8
-
£355 GBP
View
Price last confirmed 10 days ago
A
Retailer 9
-
£399 GBP
$532 USD
View
Price last confirmed 10 days ago
A
Retailer 10
-
£445 GBP
$592 USD
View
Price last confirmed 10 days ago
A
Retailer 11
-
£457 GBP
$608 USD
View
Price last confirmed 10 days ago
A
Retailer 12
-
£464 GBP
A$950 AUD
View
Price last confirmed 12 days ago
B+
Retailer 13
-
£508 GBP
$676 USD
View
Price last confirmed 10 days ago
B+
Retailer 14
-
£634 GBP
$844 USD
View
Price last confirmed 10 days ago
B+
Retailer 15
-
£674 GBP
$897 USD
View
Price last confirmed 9 days ago
B+
Retailer 16
-
£767 GBP
View
Price last confirmed 10 days ago
B+
Retailer 17
-
£794 GBP
View
Price last confirmed 12 days ago
B
Retailer 18
-
£803 GBP
$1,069 USD
View
Price last confirmed 9 days ago
B+
Retailer 19
-
£859 GBP
A$1,760 AUD
View
Price last confirmed 22 days ago
B
Retailer 20
-
£925 GBP
$1,231 USD
View
Price last confirmed 11 days ago
B
Retailer 21
-
£972 GBP
View
Most Expensive
B
Rare Carat
B23347-IZ · Jul 27
£1,095 GBP
$1,459 USD
View
Price last confirmed 94 days ago
21 more retailers have this diamond
Prices start from £972 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
£972 GBP