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Heart|Lab Grown|IGI

0.99ct E VVS1 Heart Lab Grown Diamond

EX • E/VVS1 • IGI LG842656932

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG842656932

Diamond specifications and retailer prices

From £146 GBP
$195 USD
As of October 29, 2026
Save £157 GBP (52%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £303 GBP at 77 Diamonds · As of October 29, 2026
View at 77 Diamonds

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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG842656932 or 842656932. Listed at 2 retailers as of October 29, 2026, with prices from £146 to £303, a £157 spread on the same certified stone. 77 Diamonds lists it at £303. 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
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG842656932
Dimensions6.12 × 7.13 × 4.10 mm
L/W Ratio1.17
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.12 mm7.13 mm0.99 ctE / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG842656932
Side View
Table 60.0%Crown 34.6°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 57.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: £303 GBP|Low: £146 GBP|High: £330 GBP|Avg: £308 GBP|-7.7%
77 Diamonds
Retailer 2
October 29, 2026
Retailer 2£146 GBP
77 Diamonds£303 GBP

20 data points across 2 retailers

2 retailers£146 GBP to £303 GBP

A
Cheapest Retailer
-
£146 GBP
$195 USD
Final sale: no returns
Most Expensive
B+
77 Diamonds
HSTVSGNEGKFDC · Oct 29
£303 GBP
View
1 more retailer has this diamond
Prices start from £146 GBPSave up to £157 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
£146 GBP