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Heart|Lab Grown|IGI

1.06ct E SI1 Heart Lab Grown Diamond

ID • E/SI1 • IGI LG598393870

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG598393870

Diamond specifications and retailer prices

From $378 AUD
As of November 6, 2026
Save $1,154 AUD (75%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,532 AUD at MOH London · As of November 1, 2026
View at MOH London

About this 1.06ct lab-grown heart diamond

This 1.06ct lab-grown heart sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG598393870 or 598393870. Listed at 5 retailers as of November 1, 2026, with prices from $378 to $1,532, a $1,154 spread on the same certified stone. MOH London lists it at $1,532. 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

1.06
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG598393870
Dimensions6.44 × 6.89 × 4.16 mm
L/W Ratio1.07
Girdle conditionFaceted
Culet sizePointed
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
6.44 mm6.89 mm1.06 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG598393870
Side View
Table 56.0%Crown 33.8°Girdle: MED-STKPavilion 39.7°Culet: NoneDepth 60.4%

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: $1,532 AUD|Low: $373 AUD|High: $5,613 AUD|Avg: $1,538 AUD|-6.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 3$378 AUD
Retailer 4$403 AUD
Retailer 2$585 AUD
Retailer 6$649 AUD
Retailer 5$1,305 AUD
MOH London$1,532 AUD
Retailer 7$5,613 AUD

37 data points across 7 retailers

5 retailers$378 AUD to $1,532 AUD

A
Cheapest Retailer
-
$378 AUD
B+
Retailer 2
-
$403 AUD
View
B+
Retailer 3
-
$585 AUD
View
B
Retailer 4
-
$1,305 AUD
View
Most Expensive
B
MOH London
LG598393870 · Nov 1
$1,532 AUD
£829 GBP
View
4 more retailers have this diamond
Prices start from $378 AUDSave up to $1,154 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
1.06ct Heart
$378 AUD