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Heart|Lab Grown|IGI

3.09ct E VS1 Heart Lab Grown Diamond

EX • E/VS1 • IGI LG645495396

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG645495396

Diamond specifications and retailer prices

From £412 GBP
$548 USD
As of October 27, 2026
Save £4,042 GBP (91%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £4,453 GBP at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 3.09ct lab-grown heart diamond

This 3.09ct lab-grown heart sits in the three to five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG645495396 or 645495396. Listed at 21 retailers as of October 27, 2026, with prices from £412 to £4,453, a £4,042 spread on the same certified stone. Do Amore Diamonds lists it at £4,453. 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

3.09
Carat
E
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.8°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG645495396
Dimensions10.28 × 10.28 × 9.10 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.28 mm10.28 mm3.09 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG645495396
Side View
Table 63.0%Crown 36.8°Girdle: MED-STKPavilion 39.4°Culet: NoneDepth 57.3%

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 27
Current: £2,460 GBP|Low: £395 GBP|High: £2,480 GBP|Avg: £1,071 GBP|+0.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 29, 2026
Retailer 12£412 GBP
Retailer 5£460 GBP
Retailer 2£511 GBP
Retailer 8£612 GBP
Retailer 11£675 GBP
Retailer 4£776 GBP
Retailer 7£879 GBP
Retailer 9£1,197 GBP
Retailer 6£1,224 GBP
Retailer 10£1,317 GBP
Retailer 3£1,644 GBP
Retailer 13£1,831 GBP
Retailer 1£2,460 GBP

44 data points across 13 retailers

21 retailers£412 GBP to £4,453 GBP

A
Cheapest Retailer
-
£412 GBP
$548 USD
A
Retailer 2
-
£460 GBP
$613 USD
View
Final sale: no returns
A
Retailer 3
-
£461 GBP
$614 USD
View
A
Retailer 4
-
£511 GBP
$680 USD
View
A
Retailer 5
-
£511 GBP
$680 USD
View
Price last confirmed 13 days ago
A
Retailer 6
-
£612 GBP
$815 USD
View
B+
Retailer 7
-
£675 GBP
$899 USD
View
A
Retailer 8
-
£776 GBP
$1,034 USD
View
A
Retailer 9
-
£788 GBP
$1,049 USD
View
A
Retailer 10
-
£879 GBP
View
B+
Retailer 11
-
£1,197 GBP
A$2,453 AUD
View
Price last confirmed 8 days ago
B+
Retailer 12
-
£1,224 GBP
ZAR 26,331 ZAR
View
B+
Retailer 13
-
£1,317 GBP
$1,754 USD
View
B+
Retailer 14
-
£1,482 GBP
$1,974 USD
View
B+
Retailer 15
-
£1,644 GBP
$2,189 USD
View
B
Retailer 16
-
£1,719 GBP
$2,289 USD
View
B
Retailer 17
-
£1,831 GBP
A$3,751 AUD
View
Price last confirmed 21 days ago
B
Retailer 18
-
£1,910 GBP
$2,543 USD
View
B
Retailer 19
-
£2,460 GBP
View
B
Retailer 20
-
£3,657 GBP
$4,870 USD
View
Most Expensive
B
Do Amore Diamonds
23-645495396 · Oct 29
£4,453 GBP
$5,930 USD
View
20 more retailers have this diamond
Prices start from £412 GBPSave up to £4,042 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
3.09ct Heart
£412 GBP