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Heart|Lab Grown|IGI

0.99ct E VS2 Heart Lab Grown Diamond

EX • E/VS2 • IGI LG841658609

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG841658609

Diamond specifications and retailer prices

From £137 GBP
$182 USD
As of October 28, 2026
Save £344 GBP (72%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £481 GBP at Brilliant Earth · As of October 24, 2026
View at Brilliant Earth

About this 0.99ct lab-grown heart diamond

This 0.99ct lab-grown heart sits in the just-under-one-carat band, graded E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG841658609 or 841658609. Listed at 3 retailers as of October 24, 2026, with prices from £137 to £481, a £344 spread on the same certified stone. Brilliant Earth lists it at £481. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.99
Carat
E
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841658609
Dimensions6.24 × 6.81 × 4.02 mm
L/W Ratio1.09
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.24 mm6.81 mm0.99 ctE / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841658609
Side View
Table 58.0%Crown 33.8°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 59.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 28
Current: £270 GBP|Low: £137 GBP|High: £294 GBP|Avg: £239 GBP|-7.8%
Retailer 1
Retailer 2
October 26, 2026
Retailer 2£137 GBP
Retailer 1£270 GBP

18 data points across 2 retailers

3 retailers£137 GBP to £481 GBP

A
Cheapest Retailer
-
£137 GBP
$182 USD
Final sale: no returns
A
Retailer 2
-
£270 GBP
View
Most Expensive
B
Brilliant Earth
21714879A · Oct 24
£481 GBP
$640 USD
View
2 more retailers have this diamond
Prices start from £137 GBPSave up to £344 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
0.99ct Heart
£137 GBP