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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 $223 AUD
$156 USD
As of November 2, 2026
Save $1,071 AUD (83%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,294 AUD 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 $223 to $1,294, a $1,071 spread on the same certified stone. MOH London lists it at $1,294. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $1,294 AUD|Low: $223 AUD|High: $1,294 AUD|Avg: $627 AUD
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$223 AUD
Retailer 5$359 AUD
Retailer 8$374 AUD
Retailer 3$476 AUD
Retailer 7$485 AUD
Retailer 9$488 AUD
Retailer 6$526 AUD
Retailer 2$940 AUD
Retailer 10$968 AUD
MOH London$1,294 AUD

3 data points across 10 retailers

10 retailers$223 AUD to $1,294 AUD

A
Cheapest Retailer
-
$223 AUD
$156 USD
A
Retailer 2
-
$359 AUD
£198 GBP
View
B+
Retailer 3
-
$374 AUD
$262 USD
View
A
Retailer 4
-
$476 AUD
€318 EUR
View
A
Retailer 5
-
$485 AUD
£268 GBP
View
A
Retailer 6
-
$488 AUD
$342 USD
View
A
Retailer 7
-
$526 AUD
£290 GBP
View
B
Retailer 8
-
$940 AUD
$659 USD
View
B+
Retailer 9
-
$968 AUD
$679 USD
View
Most Expensive
B
MOH London
LG849651126 · Nov 1
$1,294 AUD
£714 GBP
View
9 more retailers have this diamond
Prices start from $223 AUDSave up to $1,071 AUD

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
$223 AUD