Heart|Lab Grown|IGI

5.09ct E VS1 Heart Lab Grown Diamond

EX • E/VS1 • IGI LG841658357

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG841658357

Diamond specifications and retailer prices

From £806 GBP
As of October 30, 2026
Save £1,992 GBP (71%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £4,612 GBP at Brilliant Earth · As of October 17, 2026
View at Brilliant Earth

About this 5.09ct lab-grown heart diamond

This 5.09ct 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 LG841658357 or 841658357. Listed at 16 retailers as of October 29, 2026, with a 247% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

5.09
Carat
E
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841658357
Dimensions10.59 × 11.81 × 7.15 mm
L/W Ratio1.12
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.59 mm11.81 mm5.09 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841658357
Side View
Table 61.0%Crown 35.3°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 60.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £4,612 GBP|Low: £804 GBP|High: £4,612 GBP|Avg: £2,135 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 31, 2026
Retailer 8£806 GBP
Retailer 11£896 GBP
Retailer 13£1,064 GBP
Retailer 2£1,142 GBP
Retailer 7£1,505 GBP
Retailer 10£1,509 GBP
Retailer 14£1,707 GBP
Retailer 3£1,770 GBP
Retailer 12£1,861 GBP
Retailer 6£2,323 GBP
Retailer 5£2,343 GBP
Retailer 4£2,575 GBP
Retailer 9£2,798 GBP
Brilliant Earth£4,612 GBP

23 data points across 14 retailers

16 retailers£806 GBP to £2,798 GBP

Retailer 1
-
£696 GBP
$933 USD
Price last confirmed 10 days ago
A
Retailer 2
-
£806 GBP
View
A
Retailer 3
-
£896 GBP
$1,200 USD
View
B+
Retailer 4
-
£1,064 GBP
$1,425 USD
View
A
Retailer 5
-
£1,142 GBP
View
B+
Retailer 6
-
£1,505 GBP
A$3,102 AUD
View
B+
Retailer 7
-
£1,509 GBP
ZAR 32,656 ZAR
View
B+
Retailer 8
-
£1,707 GBP
$2,287 USD
View
B+
Retailer 9
-
£1,770 GBP
$2,371 USD
View
B+
Retailer 10
-
£1,861 GBP
CA$3,464 CAD
View
B+
Retailer 11
-
£2,087 GBP
$2,797 USD
View
B
Retailer 12
-
£2,323 GBP
$3,113 USD
View
B
Retailer 13
-
£2,343 GBP
$3,139 USD
View
B
Retailer 14
-
£2,575 GBP
$3,450 USD
View
B
Retailer 15
-
£2,798 GBP
View
Most Expensive
Brilliant Earth
21706409A · Oct 17
£4,612 GBP
$6,180 USD
View
Price last confirmed 14 days ago
15 more retailers have this diamond
Prices start from £806 GBPSave up to £1,992 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
5.09ct Heart
£806 GBP