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Heart|Lab Grown|IGI

5.90ct E VS1 Heart Lab Grown Diamond

EX • E/VS1 • IGI LG837679809

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG837679809

Diamond specifications and retailer prices

From £899 GBP
$1,204 USD
As of October 31, 2026
Save £308 GBP (26%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £1,207 GBP at Loose Grown Diamond · As of October 30, 2026
View at Loose Grown Diamond

About this 5.9ct lab-grown heart diamond

This 5.9ct lab-grown heart sits in the over five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG837679809 or 837679809. Listed at 2 retailers as of October 30, 2026, with prices from £899 to £1,207, a £308 spread on the same certified stone. Loose Grown Diamond lists it at £1,207. 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

5.90
Carat
E
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837679809
Dimensions10.86 × 12.50 × 7.48 mm
L/W Ratio1.15
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.86 mm12.50 mm5.90 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837679809
Side View
Table 58.0%Crown 35.6°Girdle: STK-THKPavilion 40°Culet: NoneDepth 59.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: £1,207 GBP|Low: £899 GBP|High: £1,440 GBP|Avg: £1,291 GBP|-3.9%
Loose Grown Diamond
Retailer 2
Retailer 3
October 27, 2026
Retailer 2£899 GBP
Loose Grown Diamond£1,207 GBP
Retailer 3£1,397 GBP

11 data points across 3 retailers

2 retailers£899 GBP to £1,207 GBP

A
Cheapest Retailer
-
£899 GBP
$1,204 USD
Final sale: no returns
Most Expensive
B+
Loose Grown Diamond
837679809 · Oct 30
£1,207 GBP
$1,617 USD
View
1 more retailer has this diamond
Prices start from £899 GBPSave up to £308 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
5.90ct Heart
£899 GBP