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Heart|Lab Grown|IGI

5.31ct H VVS2 Heart Lab Grown Diamond

EX • H/VVS2 • IGI LG840660274

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG840660274

Diamond specifications and retailer prices

From £606 GBP
$812 USD
As of October 31, 2026
Save £3,267 GBP (84%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £3,873 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 5.31ct lab-grown heart diamond

This 5.31ct lab-grown heart sits in the over five carat band, graded H colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG840660274 or 840660274. Listed at 3 retailers as of October 31, 2026, with prices from £606 to £3,873, a £3,267 spread on the same certified stone. Brilliant Earth lists it at £3,873. 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

5.31
Carat
H
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840660274
Dimensions10.72 × 11.86 × 7.12 mm
L/W Ratio1.11
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.72 mm11.86 mm5.31 ctH / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840660274
Side View
Table 56.0%Crown 34.3°Girdle: STK-THKPavilion 40°Culet: NoneDepth 60.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: £3,873 GBP|Low: £606 GBP|High: £6,060 GBP|Avg: £2,851 GBP|-36.1%
Brilliant Earth
Retailer 2
Retailer 3
November 1, 2026
Retailer 3£606 GBP
Retailer 2£1,043 GBP
Brilliant Earth£3,873 GBP

29 data points across 3 retailers

3 retailers£606 GBP to £3,873 GBP

A
Cheapest Retailer
-
£606 GBP
$812 USD
Final sale: no returns
A
Retailer 2
-
£1,043 GBP
View
Most Expensive
B
Brilliant Earth
21704100A · Oct 31
£3,873 GBP
$5,190 USD
View
2 more retailers have this diamond
Prices start from £606 GBPSave up to £3,267 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
5.31ct Heart
£606 GBP