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Heart|Lab Grown|IGI

0.99ct F VVS2 Heart Lab Grown Diamond

EX • F/VVS2 • IGI LG839696057

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG839696057

Diamond specifications and retailer prices

From £136 GBP
As of November 5, 2026
Save £375 GBP (73%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £511 GBP at Brilliant Earth · As of November 4, 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 F colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG839696057 or 839696057. Listed at 3 retailers as of November 4, 2026, with prices from £136 to £511, a £375 spread on the same certified stone. Brilliant Earth lists it at £511. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.99
Carat
F
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839696057
Dimensions6.22 × 6.95 × 4.06 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
6.22 mm6.95 mm0.99 ctF / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839696057
Side View
Table 61.0%Crown 34.7°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 58.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 5
Current: £511 GBP|Low: £136 GBP|High: £511 GBP|Avg: £336 GBP
Brilliant Earth
Retailer 2
Retailer 3
November 5, 2026
Retailer 3£136 GBP
Retailer 2£274 GBP
Brilliant Earth£511 GBP

33 data points across 3 retailers

3 retailers£136 GBP to £511 GBP

A
Cheapest Retailer
-
£136 GBP
Final sale: no returns
A
Retailer 2
-
£274 GBP
View
Most Expensive
B
Brilliant Earth
21601490A · Nov 4
£511 GBP
$690 USD
View
2 more retailers have this diamond
Prices start from £136 GBPSave up to £375 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
£136 GBP