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Heart|Lab Grown|IGI

1.09ct G VS1 Heart Lab Grown Diamond

ID • G/VS1 • IGI LG779628991

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG779628991

Diamond specifications and retailer prices

From €327 EUR
$365 USD
As of October 30, 2026
Save €570 EUR (64%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: €897 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 LG779628991 or 779628991. Listed at 6 retailers as of October 30, 2026, with prices from €327 to €897, a €570 spread on the same certified stone. MOH London lists it at €897. 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 angle32.9°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG779628991
Dimensions6.68 × 7.11 × 4.05 mm
L/W Ratio1.06
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.68 mm7.11 mm1.09 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG779628991
Side View
Table 61.0%Crown 32.9°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 57.0%

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: Oct 30
Current: €897 EUR|Low: €320 EUR|High: €907 EUR|Avg: €465 EUR
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 6€327 EUR
Retailer 3€328 EUR
Retailer 4€342 EUR
Retailer 2€343 EUR
Retailer 5€363 EUR
Retailer 7€665 EUR
MOH London€897 EUR

41 data points across 7 retailers

6 retailers€327 EUR to €897 EUR

A
Cheapest Retailer
-
€327 EUR
$365 USD
A
Retailer 2
-
€328 EUR
View
A
Retailer 3
-
€342 EUR
$382 USD
View
A
Retailer 4
-
€343 EUR
£302 GBP
View
B
Retailer 5
-
€665 EUR
$743 USD
View
Most Expensive
B
MOH London
LG779628991 · Nov 1
€897 EUR
£789 GBP
View
5 more retailers have this diamond
Prices start from €327 EURSave up to €570 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
€327 EUR