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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 HK$4,765 HKD
As of November 6, 2026
Save HK$20,805 HKD (81%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$25,571 HKD 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 HK$4,765 to HK$25,571, a HK$20,805 spread on the same certified stone. MOH London lists it at HK$25,571. 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: HK$25,571 HKD|Low: HK$4,569 HKD|High: HK$25,949 HKD|Avg: HK$10,773 HKD|-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 7HK$4,765 HKD
Retailer 11HK$5,337 HKD
Retailer 12HK$5,337 HKD
Retailer 8HK$5,902 HKD
Retailer 5HK$6,936 HKD
Retailer 4HK$8,911 HKD
Retailer 10HK$9,052 HKD
Retailer 2HK$9,123 HKD
Retailer 6HK$14,656 HKD
Retailer 9HK$15,534 HKD
Retailer 3HK$18,637 HKD
MOH LondonHK$25,571 HKD

45 data points across 12 retailers

15 retailersHK$4,765 HKD to HK$25,571 HKD

A
Cheapest Retailer
-
HK$4,765 HKD
A
Retailer 2
-
HK$5,337 HKD
View
Final sale: no returns
A
Retailer 3
-
HK$5,337 HKD
View
A
Retailer 4
-
HK$5,902 HKD
View
Retailer 5
-
HK$5,902 HKD
View
Price last confirmed 22 days ago
A
Retailer 6
-
HK$6,419 HKD
View
A
Retailer 7
-
HK$6,936 HKD
View
B+
Retailer 8
-
HK$8,911 HKD
View
B+
Retailer 9
-
HK$9,052 HKD
View
B+
Retailer 10
-
HK$9,123 HKD
View
B+
Retailer 11
-
HK$9,225 HKD
View
B
Retailer 12
-
HK$14,656 HKD
View
B
Retailer 13
-
HK$15,534 HKD
View
B
Retailer 14
-
HK$18,637 HKD
View
Most Expensive
B
MOH London
LG603358151 · Nov 5
HK$25,571 HKD
£2,569 GBP
View
14 more retailers have this diamond
Prices start from HK$4,765 HKDSave up to HK$20,805 HKD

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
HK$4,765 HKD