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Heart|Lab Grown|IGI

4.58ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG846663817

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG846663817

Diamond specifications and retailer prices

From HK$46,299 HKD
As of November 4, 2026
Save HK$265,038 HKD (85%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: HK$311,337 HKD at With Clarity · As of November 4, 2026
View at With Clarity

About this 4.58ct lab-grown heart diamond

This 4.58ct 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 LG846663817 or 846663817. Listed at 4 retailers as of November 4, 2026, with prices from HK$46,299 to HK$311,337, a HK$265,038 spread on the same certified stone. With Clarity lists it at HK$311,337. 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

4.58
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.2°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846663817
Dimensions10.00 × 11.36 × 6.83 mm
L/W Ratio1.14
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
10.00 mm11.36 mm4.58 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846663817
Side View
Table 58.0%Crown 37.2°Girdle: STK-THKPavilion 39°Culet: NoneDepth 60.1%

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 4
Current: HK$46,299 HKD|Low: HK$46,299 HKD|High: HK$311,337 HKD|Avg: HK$170,279 HKD
Retailer 1
Retailer 2
Retailer 3
With Clarity
November 4, 2026
Retailer 1HK$46,299 HKD
Retailer 3HK$67,162 HKD
Retailer 2HK$104,830 HKD
With ClarityHK$311,337 HKD

4 data points across 4 retailers

4 retailersHK$46,299 HKD to HK$311,337 HKD

A
Cheapest Retailer
-
HK$46,299 HKD
A
Retailer 2
-
HK$67,162 HKD
View
B+
Retailer 3
-
HK$104,830 HKD
View
Most Expensive
B
With Clarity
846663817 · Nov 4
HK$311,337 HKD
$39,681 USD
View
3 more retailers have this diamond
Prices start from HK$46,299 HKDSave up to HK$265,038 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
4.58ct Heart
HK$46,299 HKD