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Heart|Lab Grown|IGI

3.55ct F FL Heart Lab Grown Diamond

ID • F/FL • IGI LG840634502

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG840634502

Diamond specifications and retailer prices

From HK$22,503 HKD
$2,868 USD
As of November 2, 2026
Save HK$91,525 HKD (80%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$114,027 HKD at With Clarity · As of November 2, 2026
View at With Clarity

About this 3.55ct lab-grown heart diamond

This 3.55ct lab-grown heart sits in the three to five carat band, graded F colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG840634502 or 840634502. Listed at 19 retailers as of November 2, 2026, with prices from HK$22,503 to HK$114,027, a HK$91,525 spread on the same certified stone. With Clarity lists it at HK$114,027. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.55
Carat
F
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840634502
Dimensions9.36 × 10.20 × 6.22 mm
L/W Ratio1.09
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
9.36 mm10.20 mm3.55 ctF / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840634502
Side View
Table 60.0%Crown 36.7°Girdle: STK-THKPavilion 40.2°Culet: NoneDepth 61.0%

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 2
Current: HK$33,777 HKD|Low: HK$22,503 HKD|High: HK$114,027 HKD|Avg: HK$48,242 HKD|-9.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
With Clarity
November 2, 2026
Retailer 10HK$22,503 HKD
Retailer 2HK$24,480 HKD
Retailer 7HK$26,096 HKD
Retailer 17HK$26,198 HKD
Retailer 3HK$27,344 HKD
Retailer 12HK$28,724 HKD
Retailer 9HK$29,831 HKD
Retailer 4HK$29,972 HKD
Retailer 1HK$33,777 HKD
Retailer 13HK$35,266 HKD
Retailer 6HK$35,872 HKD
Retailer 18HK$40,588 HKD
Retailer 11HK$49,233 HKD
Retailer 16HK$60,609 HKD
Retailer 14HK$66,155 HKD
Retailer 15HK$67,853 HKD
Retailer 8HK$90,936 HKD
Retailer 5HK$104,092 HKD
With ClarityHK$114,027 HKD

15 data points across 19 retailers

19 retailersHK$22,503 HKD to HK$114,027 HKD

A
Cheapest Retailer
-
HK$22,503 HKD
$2,868 USD
A
Retailer 2
-
HK$24,480 HKD
$3,120 USD
View
A
Retailer 3
-
HK$26,096 HKD
$3,326 USD
View
A
Retailer 4
-
HK$26,198 HKD
$3,339 USD
View
A
Retailer 5
-
HK$27,344 HKD
$3,485 USD
View
A
Retailer 6
-
HK$28,724 HKD
£2,883 GBP
View
A
Retailer 7
-
HK$29,831 HKD
$3,802 USD
View
Final sale: no returns
A
Retailer 8
-
HK$29,972 HKD
$3,820 USD
View
B+
Retailer 9
-
HK$33,777 HKD
$4,305 USD
View
B+
Retailer 10
-
HK$35,266 HKD
£3,539 GBP
View
B+
Retailer 11
-
HK$35,872 HKD
$4,572 USD
View
B+
Retailer 12
-
HK$40,588 HKD
$5,173 USD
View
B+
Retailer 13
-
HK$49,233 HKD
€5,976 EUR
View
B+
Retailer 14
-
HK$60,609 HKD
ZAR 124,793 ZAR
View
B+
Retailer 15
-
HK$66,155 HKD
£6,639 GBP
View
B+
Retailer 16
-
HK$67,853 HKD
$8,648 USD
View
B
Retailer 17
-
HK$90,936 HKD
$11,590 USD
View
B
Retailer 18
-
HK$104,092 HKD
SGD 17,928 SGD
View
Most Expensive
B
With Clarity
840634502 · Nov 2
HK$114,027 HKD
$14,533 USD
View
18 more retailers have this diamond
Prices start from HK$22,503 HKDSave up to HK$91,525 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
3.55ct Heart
HK$22,503 HKD