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Heart|Lab Grown|IGI

1.09ct G VS1 Heart Lab Grown Diamond

ID • G/VS1 • IGI LG851650443

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG851650443

Diamond specifications and retailer prices

From $357 USD
£281 GBP
As of November 1, 2026
Save $588 USD (62%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $945 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 LG851650443 or 851650443. Listed at 8 retailers as of November 1, 2026, with prices from $357 to $945, a $588 spread on the same certified stone. MOH London lists it at $945. 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 angle37.7°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG851650443
Dimensions6.11 × 7.07 × 4.32 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
6.11 mm7.07 mm1.09 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG851650443
Side View
Table 59.0%Crown 37.7°Girdle: STK-VTKPavilion 40°Culet: NoneDepth 61.1%

Caratlytics Score

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

Price History

Last verified: Nov 1
Current: $945 USD|Low: $357 USD|High: $959 USD|Avg: $549 USD|-1.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 2$357 USD
Retailer 8$362 USD
Retailer 5$364 USD
Retailer 6$384 USD
Retailer 3$447 USD
Retailer 7$660 USD
Retailer 4$705 USD
MOH London$945 USD

5 data points across 8 retailers

8 retailers$357 USD to $945 USD

A
Cheapest Retailer
-
$357 USD
£281 GBP
A
Retailer 2
-
$362 USD
View
A
Retailer 3
-
$364 USD
View
A
Retailer 4
-
$384 USD
£302 GBP
View
B+
Retailer 5
-
$447 USD
View
B
Retailer 6
-
$660 USD
View
B
Retailer 7
-
$705 USD
View
Most Expensive
B
MOH London
LG851650443 · Nov 1
$945 USD
£744 GBP
View
7 more retailers have this diamond
Prices start from $357 USDSave up to $588 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
$357 USD