CaratHunter
Plans
Heart|Lab Grown|IGI

1.09ct F SI1 Heart Lab Grown Diamond

ID • F/SI1 • IGI LG849651126

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG849651126

Diamond specifications and retailer prices

From €139 EUR
$156 USD
As of November 2, 2026
Save €669 EUR (83%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €808 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG849651126 or 849651126. Listed at 10 retailers as of November 1, 2026, with prices from €139 to €808, a €669 spread on the same certified stone. MOH London lists it at €808. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.09
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.2°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG849651126
Dimensions7.15 × 6.49 × 3.97 mm
L/W Ratio1.10
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.15 mm6.49 mm1.09 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG849651126
Side View
Table 60.0%Crown 32.2°Girdle: STK-THKPavilion 38.1°Culet: NoneDepth 55.5%

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 2
Current: €808 EUR|Low: €139 EUR|High: €808 EUR|Avg: €392 EUR
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 4€139 EUR
Retailer 5€224 EUR
Retailer 8€234 EUR
Retailer 3€298 EUR
Retailer 7€303 EUR
Retailer 9€305 EUR
Retailer 6€328 EUR
Retailer 2€588 EUR
Retailer 10€605 EUR
MOH London€808 EUR

3 data points across 10 retailers

10 retailers€139 EUR to €808 EUR

A
Cheapest Retailer
-
€139 EUR
$156 USD
A
Retailer 2
-
€224 EUR
£198 GBP
View
B+
Retailer 3
-
€234 EUR
$262 USD
View
A
Retailer 4
-
€298 EUR
View
A
Retailer 5
-
€303 EUR
£268 GBP
View
A
Retailer 6
-
€305 EUR
$342 USD
View
A
Retailer 7
-
€328 EUR
£290 GBP
View
B
Retailer 8
-
€588 EUR
$659 USD
View
B+
Retailer 9
-
€605 EUR
$679 USD
View
Most Expensive
B
MOH London
LG849651126 · Nov 1
€808 EUR
£714 GBP
View
9 more retailers have this diamond
Prices start from €139 EURSave up to €669 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
€139 EUR