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Heart|Lab Grown|IGI

4.03ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG846663578

Certificate IGI LG846663578

Diamond specifications and retailer prices

From HK$32,980 HKD
£3,310 GBP
As of October 30, 2026
Save HK$151,519 HKD (82%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$184,499 HKD at With Clarity · As of October 31, 2026
View at With Clarity

About this 4.03ct lab-grown heart diamond

This 4.03ct lab-grown heart sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG846663578 or 846663578. Listed at 10 retailers as of October 30, 2026, with prices from HK$32,980 to HK$184,499, a HK$151,519 spread on the same certified stone. With Clarity lists it at HK$184,499. 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

4.03
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG846663578
Dimensions10.18 × 10.75 × 6.38 mm
L/W Ratio1.06
Top View
10.18 mm10.75 mm4.03 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846663578
Side View
Table 57.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 59.3%

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: Oct 30
Current: HK$51,374 HKD|Low: HK$32,980 HKD|High: HK$184,499 HKD|Avg: HK$87,704 HKD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
With Clarity
October 31, 2026
Retailer 3HK$32,980 HKD
Retailer 4HK$39,817 HKD
Retailer 8HK$47,278 HKD
Retailer 7HK$49,334 HKD
Retailer 1HK$51,374 HKD
Retailer 9HK$79,612 HKD
Retailer 5HK$82,183 HKD
Retailer 6HK$86,915 HKD
Retailer 2HK$137,457 HKD
With ClarityHK$184,499 HKD

6 data points across 10 retailers

10 retailersHK$32,980 HKD to HK$184,499 HKD

A
Cheapest Retailer
-
HK$32,980 HKD
£3,310 GBP
A
Retailer 2
-
HK$39,817 HKD
$5,075 USD
View
A
Retailer 3
-
HK$47,278 HKD
$6,026 USD
View
A
Retailer 4
-
HK$49,334 HKD
$6,288 USD
View
A
Retailer 5
-
HK$51,374 HKD
$6,548 USD
View
B+
Retailer 6
-
HK$79,612 HKD
€9,664 EUR
View
B+
Retailer 7
-
HK$82,183 HKD
£8,248 GBP
View
B+
Retailer 8
-
HK$86,915 HKD
$11,078 USD
View
B+
Retailer 9
-
HK$137,457 HKD
$17,520 USD
View
Most Expensive
B
With Clarity
846663578 · Oct 31
HK$184,499 HKD
$23,516 USD
View
9 more retailers have this diamond
Prices start from HK$32,980 HKDSave up to HK$151,519 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
4.03ct Heart
HK$32,980 HKD