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Radiant|Lab Grown|IGI

4.20ct H VVS2 Radiant Lab Grown Diamond

VG • H/VVS2 • IGI LG571383672

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

Certificate IGI LG571383672

Diamond specifications and retailer prices

From £2,198 GBP
$2,945 USD
As of October 28, 2026
2 retailers carry this diamond
Most expensive: £2,198 GBP at Rare Carat
View at Rare Carat

About this 4.2ct lab-grown radiant diamond

This 4.2ct lab-grown radiant sits in the three to five carat band, graded H colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a very-good cut grade and certified by IGI LG571383672 or 571383672. Listed at 2 retailers as of October 28, 2026. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

4.20
Carat
H
Colour
VVS2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.4°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG571383672
Dimensions9.02 × 8.98 × 6.11 mm
L/W Ratio1.00
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
9.02 mm8.98 mm4.20 ctH / VVS2
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG571383672
Side View
Table 64.5%Crown 43.4°Girdle: Slightly ThickPavilion 38.4°Culet: NoneDepth 68.0%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 28
Current: £2,198 GBP|Low: £688 GBP|High: £2,232 GBP|Avg: £1,218 GBP|-1.5%
Rare Carat
Retailer 2
Retailer 3
October 19, 2026
Retailer 3£688 GBP
Retailer 2£749 GBP
Rare Carat£2,198 GBP

3 data points across 3 retailers

2 retailers

Retailer 1
-
£749 GBP
$1,004 USD
Price last confirmed 8 days ago
Most Expensive
B
Rare Carat
GRRA00943 · Oct 28
£2,198 GBP
$2,945 USD
View
1 more retailer has this diamond

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.

B
4.20ct Radiant
£2,198 GBP