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Heart|Lab Grown|IGI

1.00ct F SI1 Heart Lab Grown Diamond

ID • F/SI1 • IGI LG813619747

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG813619747

Diamond specifications and retailer prices

From $434 AUD
As of November 6, 2026
Save $864 AUD (67%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,298 AUD at MOH London · As of November 1, 2026
View at MOH London

About this 1ct lab-grown heart diamond

This 1ct 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 LG813619747 or 813619747. Listed at 10 retailers as of November 1, 2026, with prices from $434 to $1,298, a $864 spread on the same certified stone. MOH London lists it at $1,298. 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

1.00
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG813619747
Dimensions6.97 × 6.12 × 4.08 mm
L/W Ratio1.14
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.97 mm6.12 mm1.00 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG813619747
Side View
Table 61.0%Crown 35.5°Girdle: STK-THKPavilion 41°Culet: NoneDepth 58.5%

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 6
Current: $1,298 AUD|Low: $460 AUD|High: $1,298 AUD|Avg: $773 AUD|+1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 2$477 AUD
Retailer 7$506 AUD
Retailer 8$527 AUD
Retailer 4$669 AUD
Retailer 3$736 AUD
Retailer 5$739 AUD
Retailer 6$830 AUD
Retailer 9$971 AUD
MOH London$1,298 AUD

42 data points across 9 retailers

10 retailers$434 AUD to $1,298 AUD

A
Cheapest Retailer
-
$434 AUD
A
Retailer 2
-
$477 AUD
View
A
Retailer 3
-
$506 AUD
View
A
Retailer 4
-
$527 AUD
View
B+
Retailer 5
-
$669 AUD
View
B+
Retailer 6
-
$736 AUD
View
B+
Retailer 7
-
$739 AUD
View
B+
Retailer 8
-
$830 AUD
View
B+
Retailer 9
-
$971 AUD
View
Most Expensive
B
MOH London
LG813619747 · Nov 1
$1,298 AUD
£702 GBP
View
9 more retailers have this diamond
Prices start from $434 AUDSave up to $864 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
1.00ct Heart
$434 AUD