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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 €312 EUR
£274 GBP
As of November 1, 2026
Save €517 EUR (62%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: €829 EUR 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 €312 to €829, a €517 spread on the same certified stone. MOH London lists it at €829. 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: €829 EUR|Low: €301 EUR|High: €864 EUR|Avg: €439 EUR|-4.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 1, 2026
Retailer 2€312 EUR
Retailer 5€321 EUR
Retailer 4€322 EUR
Retailer 3€337 EUR
Retailer 6€619 EUR
MOH London€829 EUR

26 data points across 6 retailers

6 retailers€312 EUR to €829 EUR

A
Cheapest Retailer
-
€312 EUR
£274 GBP
A
Retailer 2
-
€321 EUR
$359 USD
View
A
Retailer 3
-
€322 EUR
$360 USD
View
A
Retailer 4
-
€337 EUR
£296 GBP
View
B
Retailer 5
-
€619 EUR
$692 USD
View
Most Expensive
B
MOH London
LG818679908 · Nov 1
€829 EUR
£729 GBP
View
5 more retailers have this diamond
Prices start from €312 EURSave up to €517 EUR

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
€312 EUR