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Radiant|Lab Grown|IGI

5.10ct H VS1 Radiant Lab Grown Diamond

EX • H/VS1 • IGI LG843628066

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

Certificate IGI LG843628066

Diamond specifications and retailer prices

From £437 GBP
$586 USD
As of October 31, 2026
Save £2,294 GBP (84%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £2,732 GBP at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 5.1ct lab-grown radiant diamond

This 5.1ct lab-grown radiant sits in the over five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG843628066 or 843628066. Listed at 4 retailers as of October 28, 2026, with prices from £437 to £2,732, a £2,294 spread on the same certified stone. Brilliant Earth lists it at £2,732. 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

5.10
Carat
H
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.7°
Pavilion angle34.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843628066
Dimensions11.76 × 8.67 × 5.68 mm
L/W Ratio1.36
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.76 mm8.67 mm5.10 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843628066
Side View
Table 67.0%Crown 46.7°Girdle: Slightly ThickPavilion 34.5°Culet: NoneDepth 65.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: £784 GBP|Low: £437 GBP|High: £2,131 GBP|Avg: £1,232 GBP|-7.1%
Retailer 1
Retailer 2
Retailer 3
November 1, 2026
Retailer 2£437 GBP
Retailer 1£784 GBP
Retailer 3£2,123 GBP

21 data points across 3 retailers

4 retailers£437 GBP to £2,732 GBP

A
Cheapest Retailer
-
£437 GBP
$586 USD
Final sale: no returns
A
Retailer 2
-
£784 GBP
View
Retailer 3
-
£2,123 GBP
$2,845 USD
View
Price last confirmed 13 days ago
Most Expensive
B
Brilliant Earth
21760412A · Oct 28
£2,732 GBP
$3,660 USD
View
3 more retailers have this diamond
Prices start from £437 GBPSave up to £2,294 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
5.10ct Radiant
£437 GBP