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Radiant|Lab Grown|IGI

1.51ct G VS2 Radiant Lab Grown Diamond

ID • G/VS2 • IGI LG629440721

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

Certificate IGI LG629440721

Diamond specifications and retailer prices

From £152 GBP
$204 USD
As of October 27, 2026
Save £728 GBP (83%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £880 GBP at MOH London · As of November 2, 2026
View at MOH London

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 VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG629440721 or 629440721. Listed at 18 retailers as of October 27, 2026, with prices from £152 to £880, a £728 spread on the same certified stone. MOH London lists it at £880. 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
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.7°
Pavilion angle35.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG629440721
Dimensions8.01 × 5.69 × 3.90 mm
L/W Ratio1.41
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
8.01 mm5.69 mm1.51 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG629440721
Side View
Table 62.0%Crown 42.7°Girdle: Slightly ThickPavilion 35.2°Culet: NoneDepth 68.5%

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: £880 GBP|Low: £151 GBP|High: £880 GBP|Avg: £416 GBP|+12.6%
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
Retailer 15
Retailer 16
November 3, 2026
Retailer 16£152 GBP
Retailer 12£170 GBP
Retailer 14£176 GBP
Retailer 6£195 GBP
Retailer 8£195 GBP
Retailer 13£253 GBP
Retailer 10£343 GBP
Retailer 2£346 GBP
Retailer 15£351 GBP
Retailer 11£379 GBP
Retailer 9£492 GBP
Retailer 7£627 GBP
Retailer 4£656 GBP
Retailer 3£766 GBP
Retailer 5£768 GBP
MOH London£880 GBP

44 data points across 16 retailers

18 retailers£152 GBP to £880 GBP

A
Cheapest Retailer
-
£152 GBP
$204 USD
A
Retailer 2
-
£170 GBP
$228 USD
View
Final sale: no returns
A
Retailer 3
-
£176 GBP
$236 USD
View
Retailer 4
-
£195 GBP
$262 USD
View
Price last confirmed 9 days ago
Retailer 5
-
£195 GBP
$262 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
£253 GBP
$340 USD
View
A
Retailer 7
-
£343 GBP
€439 EUR
View
A
Retailer 8
-
£346 GBP
View
A
Retailer 9
-
£351 GBP
$471 USD
View
A
Retailer 10
-
£379 GBP
$509 USD
View
B+
Retailer 11
-
£492 GBP
$660 USD
View
Retailer 12
-
£627 GBP
$842 USD
View
Price last confirmed 8 days ago
Retailer 13
-
£656 GBP
$880 USD
View
Price last confirmed 15 days ago
Retailer 14
-
£667 GBP
$895 USD
View
Price last confirmed 15 days ago
B+
Retailer 15
-
£701 GBP
$941 USD
View
B
Retailer 16
-
£766 GBP
$1,028 USD
View
B
Retailer 17
-
£768 GBP
$1,030 USD
View
Most Expensive
B
MOH London
LG629440721 · Nov 2
£880 GBP
View
17 more retailers have this diamond
Prices start from £152 GBPSave up to £728 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
£152 GBP