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Heart|Lab Grown|IGI

1.09ct G VS1 Heart Lab Grown Diamond

ID • G/VS1 • IGI LG818679908

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG818679908

Diamond specifications and retailer prices

From $349 USD
£274 GBP
As of November 1, 2026
Save $577 USD (62%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $926 USD at MOH London · As of November 1, 2026
View at MOH London

About this 1.09ct lab-grown heart diamond

This 1.09ct lab-grown heart sits in the classic one-carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG818679908 or 818679908. Listed at 6 retailers as of November 1, 2026, with prices from $349 to $926, a $577 spread on the same certified stone. MOH London lists it at $926. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.09
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818679908
Dimensions6.93 × 6.57 × 4.01 mm
L/W Ratio1.05
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.93 mm6.57 mm1.09 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818679908
Side View
Table 61.0%Crown 35.6°Girdle: ThickPavilion 38.3°Culet: NoneDepth 57.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $926 USD|Low: $336 USD|High: $965 USD|Avg: $492 USD|-4.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 1, 2026
Retailer 2$349 USD
Retailer 5$359 USD
Retailer 4$360 USD
Retailer 3$376 USD
Retailer 6$692 USD
MOH London$926 USD

25 data points across 6 retailers

6 retailers$349 USD to $926 USD

A
Cheapest Retailer
-
$349 USD
£274 GBP
A
Retailer 2
-
$359 USD
View
A
Retailer 3
-
$360 USD
View
A
Retailer 4
-
$376 USD
£296 GBP
View
B
Retailer 5
-
$692 USD
View
Most Expensive
B
MOH London
LG818679908 · Nov 1
$926 USD
£729 GBP
View
5 more retailers have this diamond
Prices start from $349 USDSave up to $577 USD

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
1.09ct Heart
$349 USD