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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 $1,097 NZD
As of November 6, 2026
Save $4,789 NZD (81%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $5,885 NZD 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 $1,097 to $5,885, a $4,789 spread on the same certified stone. MOH London lists it at $5,885. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $5,885 NZD|Low: $1,052 NZD|High: $5,973 NZD|Avg: $2,480 NZD|-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$1,097 NZD
Retailer 11$1,228 NZD
Retailer 12$1,228 NZD
Retailer 8$1,358 NZD
Retailer 5$1,596 NZD
Retailer 4$2,051 NZD
Retailer 10$2,084 NZD
Retailer 2$2,100 NZD
Retailer 6$3,373 NZD
Retailer 9$3,575 NZD
Retailer 3$4,290 NZD
MOH London$5,885 NZD

45 data points across 12 retailers

15 retailers$1,097 NZD to $5,885 NZD

A
Cheapest Retailer
-
$1,097 NZD
A
Retailer 2
-
$1,228 NZD
View
Final sale: no returns
A
Retailer 3
-
$1,228 NZD
View
A
Retailer 4
-
$1,358 NZD
View
Retailer 5
-
$1,358 NZD
View
Price last confirmed 22 days ago
A
Retailer 6
-
$1,477 NZD
View
A
Retailer 7
-
$1,596 NZD
View
B+
Retailer 8
-
$2,051 NZD
View
B+
Retailer 9
-
$2,084 NZD
View
B+
Retailer 10
-
$2,100 NZD
View
B+
Retailer 11
-
$2,123 NZD
View
B
Retailer 12
-
$3,373 NZD
View
B
Retailer 13
-
$3,575 NZD
View
B
Retailer 14
-
$4,290 NZD
View
Most Expensive
B
MOH London
LG603358151 · Nov 5
$5,885 NZD
£2,569 GBP
View
14 more retailers have this diamond
Prices start from $1,097 NZDSave up to $4,789 NZD

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
$1,097 NZD