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Heart|Lab Grown|IGI

4.00ct F SI1 Heart Lab Grown Diamond

EX • F/SI1 • IGI LG603358151

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG603358151

Diamond specifications and retailer prices

From $885 AUD
As of November 6, 2026
Save $3,864 AUD (81%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $4,748 AUD at MOH London · As of November 5, 2026
View at MOH London

About this 4ct lab-grown heart diamond

This 4ct lab-grown heart sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG603358151 or 603358151. Listed at 15 retailers as of November 5, 2026, with prices from $885 to $4,748, a $3,864 spread on the same certified stone. MOH London lists it at $4,748. 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

4.00
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle42.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG603358151
Dimensions9.63 × 11.06 × 6.58 mm
L/W Ratio1.15
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.63 mm11.06 mm4.00 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG603358151
Side View
Table 59.0%Crown 33.3°Girdle: MED-THKPavilion 42.1°Culet: NoneDepth 59.5%

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 6
Current: $4,748 AUD|Low: $848 AUD|High: $4,819 AUD|Avg: $2,001 AUD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 7$885 AUD
Retailer 11$991 AUD
Retailer 12$991 AUD
Retailer 8$1,096 AUD
Retailer 5$1,288 AUD
Retailer 4$1,655 AUD
Retailer 10$1,681 AUD
Retailer 2$1,694 AUD
Retailer 6$2,722 AUD
Retailer 9$2,885 AUD
Retailer 3$3,461 AUD
MOH London$4,748 AUD

45 data points across 12 retailers

15 retailers$885 AUD to $4,748 AUD

A
Cheapest Retailer
-
$885 AUD
A
Retailer 2
-
$991 AUD
View
Final sale: no returns
A
Retailer 3
-
$991 AUD
View
A
Retailer 4
-
$1,096 AUD
View
Retailer 5
-
$1,096 AUD
View
Price last confirmed 22 days ago
A
Retailer 6
-
$1,192 AUD
View
A
Retailer 7
-
$1,288 AUD
View
B+
Retailer 8
-
$1,655 AUD
View
B+
Retailer 9
-
$1,681 AUD
View
B+
Retailer 10
-
$1,694 AUD
View
B+
Retailer 11
-
$1,713 AUD
View
B
Retailer 12
-
$2,722 AUD
View
B
Retailer 13
-
$2,885 AUD
View
B
Retailer 14
-
$3,461 AUD
View
Most Expensive
B
MOH London
LG603358151 · Nov 5
$4,748 AUD
£2,569 GBP
View
14 more retailers have this diamond
Prices start from $885 AUDSave up to $3,864 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
4.00ct Heart
$885 AUD