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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 €319 EUR
£281 GBP
As of November 2, 2026
Save €524 EUR (62%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €842 EUR at MOH London · As of November 2, 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 2, 2026, with prices from €319 to €842, a €524 spread on the same certified stone. MOH London lists it at €842. 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
Colour
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: €842 EUR|Low: €318 EUR|High: €855 EUR|Avg: €485 EUR|-1.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 2€319 EUR
Retailer 8€323 EUR
Retailer 5€325 EUR
Retailer 6€342 EUR
Retailer 3€399 EUR
Retailer 7€588 EUR
Retailer 4€628 EUR
MOH London€842 EUR

6 data points across 8 retailers

8 retailers€319 EUR to €842 EUR

A
Cheapest Retailer
-
€319 EUR
£281 GBP
A
Retailer 2
-
€323 EUR
$362 USD
View
A
Retailer 3
-
€325 EUR
$364 USD
View
A
Retailer 4
-
€342 EUR
£302 GBP
View
B+
Retailer 5
-
€399 EUR
$447 USD
View
B
Retailer 6
-
€588 EUR
$660 USD
View
B
Retailer 7
-
€628 EUR
$705 USD
View
Most Expensive
B
MOH London
LG851650443 · Nov 2
€842 EUR
£744 GBP
View
7 more retailers have this diamond
Prices start from €319 EURSave up to €524 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
€319 EUR