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Heart|Lab Grown|IGI

1.29ct D VVS1 Heart Lab Grown Diamond

ID • D/VVS1 • IGI LG800624567

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG800624567

Diamond specifications and retailer prices

From £336 GBP
As of November 4, 2026
Save £446 GBP (57%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £782 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 1.29ct lab-grown heart diamond

This 1.29ct lab-grown heart sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG800624567 or 800624567. Listed at 3 retailers as of November 4, 2026, with prices from £336 to £782, a £446 spread on the same certified stone. MOH London lists it at £782. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.29
Carat
D
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.9°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800624567
Dimensions7.56 × 7.02 × 4.30 mm
L/W Ratio1.08
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.56 mm7.02 mm1.29 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800624567
Side View
Table 67.0%Crown 36.9°Girdle: THN-STKPavilion 40.1°Culet: NoneDepth 56.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: £782 GBP|Low: £336 GBP|High: £1,252 GBP|Avg: £597 GBP|-7.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 4£336 GBP
Retailer 2£361 GBP
Retailer 3£378 GBP
Retailer 6£380 GBP
Retailer 7£426 GBP
Retailer 9£647 GBP
Retailer 8£759 GBP
MOH London£782 GBP
Retailer 5£1,252 GBP

21 data points across 9 retailers

3 retailers£336 GBP to £782 GBP

A
Cheapest Retailer
-
£336 GBP
A
Retailer 2
-
£378 GBP
View
Most Expensive
B
MOH London
LG800624567 · Nov 5
£782 GBP
View
2 more retailers have this diamond
Prices start from £336 GBPSave up to £446 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
1.29ct Heart
£336 GBP