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Heart|Lab Grown|IGI

1.29ct E VS2 Heart Lab Grown Diamond

ID • E/VS2 • IGI LG850690029

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG850690029

Diamond specifications and retailer prices

From £354 GBP
$471 USD
As of October 30, 2026
Save £482 GBP (58%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £835 GBP at MOH London · As of October 29, 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 E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG850690029 or 850690029. Listed at 2 retailers as of October 29, 2026, with prices from £354 to £835, a £482 spread on the same certified stone. MOH London lists it at £835. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.29
Carat
E
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.9°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG850690029
Dimensions7.61 × 6.57 × 4.42 mm
L/W Ratio1.16
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.61 mm6.57 mm1.29 ctE / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG850690029
Side View
Table 62.0%Crown 31.9°Girdle: THN-MEDPavilion 40.7°CuletDepth 58.1%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 30
Current: £835 GBP|Low: £354 GBP|High: £835 GBP|Avg: £514 GBP
MOH London
Retailer 2
October 29, 2026
Retailer 2£354 GBP
MOH London£835 GBP

2 data points across 2 retailers

2 retailers£354 GBP to £835 GBP

B+
Cheapest Retailer
-
£354 GBP
$471 USD
Most Expensive
B
MOH London
LG850690029 · Oct 29
£835 GBP
View
1 more retailer has this diamond
Prices start from £354 GBPSave up to £482 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+
1.29ct Heart
£354 GBP