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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 $778 SGD
$608 USD
As of November 2, 2026
Save $3,406 SGD (81%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $4,184 SGD at MOH London · As of November 1, 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 1, 2026, with prices from $778 to $4,184, a $3,406 spread on the same certified stone. MOH London lists it at $4,184. 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

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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 2
Current: $4,184 SGD|Low: $622 SGD|High: $4,234 SGD|Avg: $1,727 SGD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 2, 2026
Retailer 8$778 SGD
Retailer 12$871 SGD
Retailer 13$871 SGD
Retailer 9$963 SGD
Retailer 6$1,132 SGD
Retailer 4$1,454 SGD
Retailer 11$1,477 SGD
Retailer 5$1,505 SGD
Retailer 2$1,508 SGD
Retailer 7$2,392 SGD
Retailer 10$2,535 SGD
Retailer 3$3,042 SGD
MOH London$4,184 SGD

43 data points across 13 retailers

15 retailers$778 SGD to $4,184 SGD

A
Cheapest Retailer
-
$778 SGD
$608 USD
A
Retailer 2
-
$871 SGD
$681 USD
View
Final sale: no returns
A
Retailer 3
-
$871 SGD
$681 USD
View
A
Retailer 4
-
$963 SGD
$753 USD
View
Retailer 5
-
$963 SGD
$753 USD
View
Price last confirmed 17 days ago
A
Retailer 6
-
$1,048 SGD
HK$6,400 HKD
View
A
Retailer 7
-
$1,132 SGD
$885 USD
View
B+
Retailer 8
-
$1,454 SGD
$1,137 USD
View
B+
Retailer 9
-
$1,477 SGD
$1,155 USD
View
B+
Retailer 10
-
$1,505 SGD
$1,177 USD
View
B+
Retailer 11
-
$1,508 SGD
£929 GBP
View
B
Retailer 12
-
$2,392 SGD
$1,870 USD
View
B
Retailer 13
-
$2,535 SGD
$1,982 USD
View
B
Retailer 14
-
$3,042 SGD
View
Most Expensive
B
MOH London
LG603358151 · Nov 1
$4,184 SGD
£2,576 GBP
View
14 more retailers have this diamond
Prices start from $778 SGDSave up to $3,406 SGD

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
$778 SGD