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Heart|Lab Grown|IGI

1.02ct I SI1 Heart Lab Grown Diamond

ID • I/SI1 • IGI LG436045943

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG436045943

Diamond specifications and retailer prices

From $902 AUD
As of November 6, 2026
Save $4,883 AUD (84%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $5,785 AUD at MOH London · As of November 5, 2026
View at MOH London

About this 1.02ct lab-grown heart diamond

This 1.02ct lab-grown heart sits in the classic one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG436045943 or 436045943. Listed at 10 retailers as of November 5, 2026, with prices from $902 to $5,785, a $4,883 spread on the same certified stone. MOH London lists it at $5,785. 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

1.02
Carat
I
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle32.7°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436045943
Dimensions7.17 × 5.90 × 4.27 mm
L/W Ratio1.22
Girdle conditionFaceted
Culet sizePointed
Top View
7.17 mm5.90 mm1.02 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG436045943
Side View
Table 62.0%Crown 32.7°Girdle: STK-THKPavilion 40°Culet: NoneDepth 59.6%

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 6
Current: $5,785 AUD|Low: $902 AUD|High: $5,872 AUD|Avg: $2,681 AUD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 2$902 AUD
Retailer 3$1,474 AUD
Retailer 4$1,710 AUD
Retailer 6$1,965 AUD
Retailer 8$2,457 AUD
Retailer 5$2,732 AUD
Retailer 7$3,574 AUD
MOH London$5,785 AUD

15 data points across 8 retailers

10 retailers$902 AUD to $5,785 AUD

A
Cheapest Retailer
-
$902 AUD
A
Retailer 2
-
$1,474 AUD
View
B+
Retailer 3
-
$1,604 AUD
View
B+
Retailer 4
-
$1,710 AUD
View
Retailer 5
-
$1,710 AUD
View
Price last confirmed 25 days ago
B+
Retailer 6
-
$1,965 AUD
View
B
Retailer 7
-
$2,732 AUD
View
B
Retailer 8
-
$3,206 AUD
View
B
Retailer 9
-
$3,574 AUD
View
Most Expensive
B
MOH London
LG436045943 · Nov 5
$5,785 AUD
£3,130 GBP
View
9 more retailers have this diamond
Prices start from $902 AUDSave up to $4,883 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
1.02ct Heart
$902 AUD