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Heart|Lab Grown|IGI

4.91ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG787620787

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG787620787

Diamond specifications and retailer prices

From HK$86,824 HKD
As of November 3, 2026
Save HK$269,137 HKD (76%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$355,960 HKD at Wholesale Diamonds Direct · As of November 3, 2026
View at Wholesale Diamonds Direct

About this 4.91ct lab-grown heart diamond

This 4.91ct 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 LG787620787 or 787620787. Listed at 10 retailers as of November 3, 2026, with prices from HK$86,824 to HK$355,960, a HK$269,137 spread on the same certified stone. Wholesale Diamonds Direct lists it at HK$355,960. 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

4.91
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787620787
Dimensions11.99 × 10.14 × 7.09 mm
L/W Ratio1.18
Girdle conditionFaceted
Culet sizePointed
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
11.99 mm10.14 mm4.91 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787620787
Side View
Table 59.0%Crown 34°Girdle: STK-THKPavilion 40.4°Culet: NoneDepth 59.1%

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 3
Current: HK$272,868 HKD|Low: HK$86,824 HKD|High: HK$355,960 HKD|Avg: HK$189,793 HKD|-10.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Wholesale Diamonds Direct
November 3, 2026
Retailer 11HK$86,824 HKD
Retailer 2HK$88,166 HKD
Retailer 10HK$98,593 HKD
Retailer 7HK$114,661 HKD
Retailer 4HK$115,187 HKD
Retailer 6HK$149,231 HKD
Retailer 5HK$200,740 HKD
Retailer 8HK$207,448 HKD
Retailer 9HK$211,756 HKD
Retailer 12HK$213,113 HKD
Retailer 1HK$272,868 HKD
Retailer 3HK$332,137 HKD
Wholesale Diamonds DirectHK$355,960 HKD

20 data points across 13 retailers

10 retailersHK$86,824 HKD to HK$355,960 HKD

A
Cheapest Retailer
-
HK$86,824 HKD
B+
Retailer 2
-
HK$98,593 HKD
View
B+
Retailer 3
-
HK$114,661 HKD
View
Retailer 4
-
HK$149,231 HKD
View
Price last confirmed 15 days ago
B+
Retailer 5
-
HK$200,740 HKD
View
B
Retailer 6
-
HK$207,448 HKD
View
B+
Retailer 7
-
HK$211,756 HKD
View
B
Retailer 8
-
HK$272,868 HKD
View
B
Retailer 9
-
HK$332,137 HKD
View
Most Expensive
B
Wholesale Diamonds Direct
260819197 · Nov 3
HK$355,960 HKD
$45,368 USD
View
9 more retailers have this diamond
Prices start from HK$86,824 HKDSave up to HK$269,137 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
4.91ct Heart
HK$86,824 HKD