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Radiant|Lab Grown|IGI

4.00ct G VS2 Radiant Lab Grown Diamond

ID • G/VS2 • IGI LG809608975

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

Certificate IGI LG809608975

Diamond specifications and retailer prices

From £381 GBP
$511 USD
As of October 30, 2026
Save £1,596 GBP (81%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £1,977 GBP at MOH London · As of October 26, 2026
View at MOH London

About this 4ct lab-grown radiant diamond

This 4ct lab-grown radiant sits in the three to five carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG809608975 or 809608975. Listed at 16 retailers as of October 26, 2026, with prices from £381 to £1,977, a £1,596 spread on the same certified stone. MOH London lists it at £1,977. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.00
Carat
G
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle28.8°
Pavilion angle36°
OriginLab Grown
Grading LabIGI
CertificateIGI LG809608975
Dimensions10.39 × 8.23 × 5.21 mm
L/W Ratio1.26
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.39 mm8.23 mm4.00 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG809608975
Side View
Table 73.0%Crown 28.8°Girdle: STK-THKPavilion 36°Culet: NoneDepth 63.3%

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 30
Current: £1,977 GBP|Low: £305 GBP|High: £1,998 GBP|Avg: £982 GBP|+0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 12£427 GBP
Retailer 7£473 GBP
Retailer 5£575 GBP
Retailer 2£732 GBP
Retailer 10£734 GBP
Retailer 11£768 GBP
Retailer 4£997 GBP
Retailer 6£1,220 GBP
Retailer 9£1,244 GBP
Retailer 3£1,376 GBP
Retailer 8£1,755 GBP
MOH London£1,977 GBP

42 data points across 12 retailers

16 retailers£381 GBP to £1,977 GBP

A
Cheapest Retailer
-
£381 GBP
$511 USD
A
Retailer 2
-
£427 GBP
$572 USD
View
A
Retailer 3
-
£427 GBP
$572 USD
View
Final sale: no returns
A
Retailer 4
-
£473 GBP
$634 USD
View
Retailer 5
-
£473 GBP
$634 USD
View
Price last confirmed 14 days ago
A
Retailer 6
-
£575 GBP
$770 USD
View
A
Retailer 7
-
£732 GBP
View
B+
Retailer 8
-
£734 GBP
$984 USD
View
A
Retailer 9
-
£768 GBP
$1,029 USD
View
A
Retailer 10
-
£997 GBP
$1,336 USD
View
B+
Retailer 11
-
£1,220 GBP
$1,635 USD
View
B+
Retailer 12
-
£1,244 GBP
$1,667 USD
View
B+
Retailer 13
-
£1,376 GBP
View
B+
Retailer 14
-
£1,539 GBP
$2,062 USD
View
B+
Retailer 15
-
£1,755 GBP
$2,351 USD
View
Most Expensive
B
MOH London
LG809608975 · Oct 26
£1,977 GBP
View
15 more retailers have this diamond
Prices start from £381 GBPSave up to £1,596 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
4.00ct Radiant
£381 GBP