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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 $365 USD
As of October 30, 2026
Save $637 USD (64%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,002 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 LG779628991 or 779628991. Listed at 6 retailers as of October 30, 2026, with prices from $365 to $1,002, a $637 spread on the same certified stone. MOH London lists it at $1,002. 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: $1,002 USD|Low: $357 USD|High: $1,013 USD|Avg: $518 USD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 6$365 USD
Retailer 3$366 USD
Retailer 4$382 USD
Retailer 2$383 USD
Retailer 5$406 USD
Retailer 7$743 USD
MOH London$1,002 USD

42 data points across 7 retailers

6 retailers$365 USD to $1,002 USD

A
Cheapest Retailer
-
$365 USD
A
Retailer 2
-
$366 USD
€349 EUR
View
A
Retailer 3
-
$382 USD
View
A
Retailer 4
-
$383 USD
£302 GBP
View
B
Retailer 5
-
$743 USD
View
Most Expensive
B
MOH London
LG779628991 · Nov 1
$1,002 USD
£789 GBP
View
5 more retailers have this diamond
Prices start from $365 USDSave up to $637 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
$365 USD