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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 €320 EUR
£281 GBP
As of November 1, 2026
Save €526 EUR (62%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €846 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 LG851650443 or 851650443. Listed at 8 retailers as of November 1, 2026, with prices from €320 to €846, a €526 spread on the same certified stone. MOH London lists it at €846. 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: €846 EUR|Low: €320 EUR|High: €858 EUR|Avg: €491 EUR|-1.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 2€320 EUR
Retailer 8€324 EUR
Retailer 5€326 EUR
Retailer 6€344 EUR
Retailer 3€400 EUR
Retailer 7€591 EUR
Retailer 4€631 EUR
MOH London€846 EUR

5 data points across 8 retailers

8 retailers€320 EUR to €846 EUR

A
Cheapest Retailer
-
€320 EUR
£281 GBP
A
Retailer 2
-
€324 EUR
$362 USD
View
A
Retailer 3
-
€326 EUR
$364 USD
View
A
Retailer 4
-
€344 EUR
£302 GBP
View
B+
Retailer 5
-
€400 EUR
$447 USD
View
B
Retailer 6
-
€591 EUR
$660 USD
View
B
Retailer 7
-
€631 EUR
$705 USD
View
Most Expensive
B
MOH London
LG851650443 · Nov 1
€846 EUR
£744 GBP
View
7 more retailers have this diamond
Prices start from €320 EURSave up to €526 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
€320 EUR