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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 $608 USD
As of November 6, 2026
Save $2,655 USD (81%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,263 USD 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 $608 to $3,263, a $2,655 spread on the same certified stone. MOH London lists it at $3,263. 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
Color
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: $3,263 USD|Low: $583 USD|High: $3,311 USD|Avg: $1,376 USD|-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$608 USD
Retailer 11$681 USD
Retailer 12$681 USD
Retailer 8$753 USD
Retailer 5$885 USD
Retailer 4$1,137 USD
Retailer 10$1,155 USD
Retailer 2$1,164 USD
Retailer 6$1,870 USD
Retailer 9$1,982 USD
Retailer 3$2,378 USD
MOH London$3,263 USD

46 data points across 12 retailers

15 retailers$608 USD to $3,263 USD

A
Cheapest Retailer
-
$608 USD
A
Retailer 2
-
$681 USD
View
Final sale: no returns
A
Retailer 3
-
$681 USD
View
A
Retailer 4
-
$753 USD
View
Retailer 5
-
$753 USD
View
Price last confirmed 21 days ago
A
Retailer 6
-
$819 USD
View
A
Retailer 7
-
$885 USD
View
B+
Retailer 8
-
$1,137 USD
View
B+
Retailer 9
-
$1,155 USD
View
B+
Retailer 10
-
$1,164 USD
View
B+
Retailer 11
-
$1,177 USD
View
B
Retailer 12
-
$1,870 USD
View
B
Retailer 13
-
$1,982 USD
View
B
Retailer 14
-
$2,378 USD
View
Most Expensive
B
MOH London
LG603358151 · Nov 5
$3,263 USD
£2,569 GBP
View
14 more retailers have this diamond
Prices start from $608 USDSave up to $2,655 USD

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
$608 USD