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Heart|Lab Grown|IGI

3.37ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG818623968

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG818623968

Diamond specifications and retailer prices

From HK$18,601 HKD
As of November 4, 2026
Save HK$109,354 HKD (85%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$204,493 HKD at Mervis Diamond Importers · As of November 4, 2026
View at Mervis Diamond Importers

About this 3.37ct lab-grown heart diamond

This 3.37ct 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 LG818623968 or 818623968. Listed at 19 retailers as of November 4, 2026, with a 588% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.37
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818623968
Dimensions9.14 × 10.60 × 6.06 mm
L/W Ratio1.16
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
9.14 mm10.60 mm3.37 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818623968
Side View
Table 57.0%Crown 34°Girdle: STK-THKPavilion 38.6°Culet: NoneDepth 57.2%

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 4
Current: HK$204,493 HKD|Low: HK$18,601 HKD|High: HK$204,493 HKD|Avg: HK$56,722 HKD|+75.7%
Mervis Diamond Importers
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
November 5, 2026
Retailer 7HK$18,601 HKD
Retailer 14HK$20,233 HKD
Retailer 5HK$20,821 HKD
Retailer 18HK$21,574 HKD
Retailer 13HK$22,869 HKD
Retailer 16HK$24,830 HKD
Retailer 17HK$30,290 HKD
Retailer 11HK$31,844 HKD
Retailer 9HK$32,738 HKD
Retailer 15HK$33,068 HKD
Retailer 12HK$55,466 HKD
Retailer 6HK$55,568 HKD
Retailer 3HK$62,919 HKD
Retailer 2HK$63,593 HKD
Retailer 8HK$83,049 HKD
Retailer 10HK$126,700 HKD
Retailer 4HK$127,955 HKD
Mervis Diamond ImportersHK$204,493 HKD

42 data points across 18 retailers

19 retailersHK$18,601 HKD to HK$127,955 HKD

A
Cheapest Retailer
-
HK$18,601 HKD
A
Retailer 2
-
HK$20,233 HKD
View
A
Retailer 3
-
HK$20,821 HKD
View
Final sale: no returns
A
Retailer 4
-
HK$21,574 HKD
View
A
Retailer 5
-
HK$22,869 HKD
View
A
Retailer 6
-
HK$24,830 HKD
View
Retailer 7
-
HK$28,541 HKD
View
Price last confirmed 24 days ago
A
Retailer 8
-
HK$30,290 HKD
View
B+
Retailer 9
-
HK$31,844 HKD
View
B+
Retailer 10
-
HK$32,738 HKD
View
B+
Retailer 11
-
HK$33,068 HKD
View
B+
Retailer 12
-
HK$55,466 HKD
View
B+
Retailer 13
-
HK$55,568 HKD
View
B+
Retailer 14
-
HK$62,919 HKD
View
B+
Retailer 15
-
HK$63,593 HKD
View
B
Retailer 16
-
HK$83,049 HKD
View
B
Retailer 17
-
HK$126,700 HKD
View
B
Retailer 18
-
HK$127,955 HKD
View
Most Expensive
Mervis Diamond Importers
1984816713 · Nov 4
HK$204,493 HKD
$26,066 USD
View
Price under review
18 more retailers have this diamond
Prices start from HK$18,601 HKDSave up to HK$109,354 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
3.37ct Heart
HK$18,601 HKD