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Heart|Lab Grown|IGI

3.73ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG846663743

Certificate IGI LG846663743

Diamond specifications and retailer prices

From HK$35,266 HKD
$4,495 USD
As of October 31, 2026
Save HK$116,862 HKD (77%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: HK$152,128 HKD at With Clarity · As of October 31, 2026
View at With Clarity

About this 3.73ct lab-grown heart diamond

This 3.73ct 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 LG846663743 or 846663743. Listed at 9 retailers as of October 31, 2026, with prices from HK$35,266 to HK$152,128, a HK$116,862 spread on the same certified stone. With Clarity lists it at HK$152,128. 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

3.73
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG846663743
Dimensions9.97 × 10.35 × 6.34 mm
L/W Ratio1.04
Top View
9.97 mm10.35 mm3.73 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846663743
Side View
Table 56.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 61.3%

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 31
Current: HK$46,062 HKD|Low: HK$35,266 HKD|High: HK$152,128 HKD|Avg: HK$72,117 HKD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
With Clarity
October 31, 2026
Retailer 3HK$35,266 HKD
Retailer 6HK$40,429 HKD
Retailer 2HK$40,650 HKD
Retailer 5HK$42,563 HKD
Retailer 1HK$46,062 HKD
Retailer 7HK$65,640 HKD
Retailer 4HK$71,663 HKD
With ClarityHK$152,128 HKD

6 data points across 8 retailers

9 retailersHK$35,266 HKD to HK$152,128 HKD

A
Cheapest Retailer
-
HK$35,266 HKD
$4,495 USD
B+
Retailer 2
-
HK$40,429 HKD
$5,153 USD
View
B+
Retailer 3
-
HK$40,650 HKD
£4,080 GBP
View
B+
Retailer 4
-
HK$42,563 HKD
$5,425 USD
View
B+
Retailer 5
-
HK$46,062 HKD
$5,871 USD
View
B+
Retailer 6
-
HK$65,640 HKD
€7,968 EUR
View
B+
Retailer 7
-
HK$71,663 HKD
$9,134 USD
View
B
Retailer 8
-
HK$140,281 HKD
$17,880 USD
View
Most Expensive
B
With Clarity
846663743 · Oct 31
HK$152,128 HKD
$19,390 USD
View
8 more retailers have this diamond
Prices start from HK$35,266 HKDSave up to HK$116,862 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
3.73ct Heart
HK$35,266 HKD