Radiant|Lab Grown|IGI

4.90ct F VS2 Radiant Lab Grown Diamond

EX • F/VS2 • IGI LG843622651

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

Certificate IGI LG843622651

Diamond specifications and retailer prices

From £475 GBP
$636 USD
As of October 29, 2026
Save £2,615 GBP (85%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £3,090 GBP at Brilliant Earth · As of October 25, 2026
View at Brilliant Earth

About this 4.9ct lab-grown radiant diamond

This 4.9ct lab-grown radiant sits in the three to five carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG843622651 or 843622651. Listed at 3 retailers as of October 25, 2026, with prices from £475 to £3,090, a £2,615 spread on the same certified stone. Brilliant Earth lists it at £3,090. 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

4.90
Carat
F
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.8°
Pavilion angle34.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843622651
Dimensions11.84 × 8.31 × 5.70 mm
L/W Ratio1.42
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.84 mm8.31 mm4.90 ctF / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843622651
Side View
Table 64.0%Crown 45.8°Girdle: Slightly ThickPavilion 34.7°Culet: NoneDepth 68.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: £845 GBP|Low: £475 GBP|High: £894 GBP|Avg: £772 GBP|-5.5%
Retailer 1
Retailer 2
October 25, 2026
Retailer 2£475 GBP
Retailer 1£845 GBP

6 data points across 2 retailers

3 retailers£475 GBP to £3,090 GBP

A
Cheapest Retailer
-
£475 GBP
$636 USD
Final sale: no returns
Retailer 2
-
£845 GBP
View
Price last confirmed 7 days ago
Most Expensive
B
Brilliant Earth
21781909A · Oct 25
£3,090 GBP
$4,140 USD
View
2 more retailers have this diamond
Prices start from £475 GBPSave up to £2,615 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
4.90ct Radiant
£475 GBP