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Heart|Lab Grown|IGI

0.79ct G VS1 Heart Lab Grown Diamond

ID • G/VS1 • IGI LG621402128

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG621402128

Diamond specifications and retailer prices

From £352 GBP
As of November 2, 2026
Save £6 GBP (2%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £358 GBP at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 0.79ct lab-grown heart diamond

This 0.79ct lab-grown heart sits in the just-under-one-carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG621402128 or 621402128. Listed at 2 retailers as of November 2, 2026, with a relatively tight 2% spread, which is unusual at this carat range and suggests competitive pricing across the listings. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.79
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG621402128
Dimensions6.52 × 5.84 × 3.67 mm
L/W Ratio1.12
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.52 mm5.84 mm0.79 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG621402128
Side View
Table 59.0%Crown 34.8°Girdle: MED-STKPavilion 39.1°Culet: NoneDepth 56.3%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 2
Current: £267 GBP|Low: £197 GBP|High: £1,059 GBP|Avg: £423 GBP|+35.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
May 3, 2026
Retailer 2£222 GBP
Retailer 5£233 GBP
Retailer 1£267 GBP
Retailer 4£269 GBP
Retailer 9£351 GBP
Retailer 3£379 GBP
Retailer 6£427 GBP
Retailer 10£473 GBP
Retailer 8£614 GBP
Retailer 7£1,059 GBP

49 data points across 10 retailers

2 retailers£352 GBP to £358 GBP

B
Cheapest Retailer
-
£352 GBP
Most Expensive
B
Brilliant Earth
9346888Y · Nov 2
£358 GBP
$480 USD
View
1 more retailer has this diamond
Prices start from £352 GBPSave up to £6 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.

B
0.79ct Heart
£352 GBP