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Heart|Lab Grown|IGI

1.30ct E VS2 Heart Lab Grown Diamond

EX • E/VS2 • IGI LG831646834

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG831646834

Diamond specifications and retailer prices

From £156 GBP
$209 USD
As of October 30, 2026
Save £904 GBP (85%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £1,060 GBP at Brilliant Earth · As of October 24, 2026
View at Brilliant Earth

About this 1.3ct lab-grown heart diamond

This 1.3ct lab-grown heart sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG831646834 or 831646834. Listed at 3 retailers as of October 24, 2026, with prices from £156 to £1,060, a £904 spread on the same certified stone. Brilliant Earth lists it at £1,060. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.30
Carat
E
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831646834
Dimensions6.54 × 7.70 × 4.47 mm
L/W Ratio1.18
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.54 mm7.70 mm1.30 ctE / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831646834
Side View
Table 60.0%Crown 34.3°Girdle: MED-THKPavilion 40.5°Culet: NoneDepth 58.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: £1,060 GBP|Low: £156 GBP|High: £1,090 GBP|Avg: £479 GBP|-2.7%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 25, 2026
Retailer 3£156 GBP
Retailer 6£290 GBP
Retailer 2£315 GBP
Retailer 5£368 GBP
Retailer 4£604 GBP
Brilliant Earth£1,060 GBP

29 data points across 6 retailers

3 retailers£156 GBP to £1,060 GBP

A
Cheapest Retailer
-
£156 GBP
$209 USD
Final sale: no returns
A
Retailer 2
-
£315 GBP
View
Most Expensive
B
Brilliant Earth
21232995A · Oct 24
£1,060 GBP
$1,420 USD
View
2 more retailers have this diamond
Prices start from £156 GBPSave up to £904 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
1.30ct Heart
£156 GBP