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Heart|Lab Grown|IGI

4.52ct D FL Heart Lab Grown Diamond

EX • D/FL • IGI LG817695375

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG817695375

Diamond specifications and retailer prices

From HK$41,819 HKD
As of November 3, 2026
Save HK$262,370 HKD (86%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: HK$304,189 HKD at With Clarity · As of November 3, 2026
View at With Clarity

About this 4.52ct lab-grown heart diamond

This 4.52ct 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 LG817695375 or 817695375. Listed at 21 retailers as of November 3, 2026, with prices from HK$41,819 to HK$304,189, a HK$262,370 spread on the same certified stone. With Clarity lists it at HK$304,189. 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

4.52
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle37.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817695375
Dimensions10.24 × 11.52 × 6.48 mm
L/W Ratio1.13
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
10.24 mm11.52 mm4.52 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817695375
Side View
Table 59.0%Crown 35.6°Girdle: MED-STKPavilion 37.7°Culet: NoneDepth 56.3%

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: Nov 3
Current: HK$45,436 HKD|Low: HK$41,819 HKD|High: HK$307,257 HKD|Avg: HK$91,278 HKD|-0.7%
Retailer 1
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
Retailer 19
With Clarity
November 4, 2026
Retailer 13HK$41,819 HKD
Retailer 4HK$43,349 HKD
Retailer 1HK$45,436 HKD
Retailer 7HK$46,393 HKD
Retailer 18HK$48,551 HKD
Retailer 19HK$50,285 HKD
Retailer 12HK$50,332 HKD
Retailer 9HK$50,622 HKD
Retailer 17HK$57,386 HKD
Retailer 10HK$60,093 HKD
Retailer 14HK$62,917 HKD
Retailer 2HK$63,914 HKD
Retailer 8HK$78,178 HKD
Retailer 3HK$102,320 HKD
Retailer 5HK$106,502 HKD
Retailer 15HK$107,357 HKD
Retailer 16HK$135,971 HKD
Retailer 11HK$178,842 HKD
Retailer 6HK$208,280 HKD
With ClarityHK$307,257 HKD

29 data points across 20 retailers

21 retailersHK$41,819 HKD to HK$304,189 HKD

A
Cheapest Retailer
-
HK$41,819 HKD
A
Retailer 2
-
HK$43,349 HKD
View
A
Retailer 3
-
HK$45,436 HKD
View
A
Retailer 4
-
HK$46,393 HKD
View
A
Retailer 5
-
HK$48,551 HKD
View
Final sale: no returns
A
Retailer 6
-
HK$50,285 HKD
View
A
Retailer 7
-
HK$50,332 HKD
View
Retailer 8
-
HK$50,622 HKD
View
Price last confirmed 19 days ago
A
Retailer 9
-
HK$57,386 HKD
View
A
Retailer 10
-
HK$60,093 HKD
View
A
Retailer 11
-
HK$62,917 HKD
View
A
Retailer 12
-
HK$63,914 HKD
View
B+
Retailer 13
-
HK$78,178 HKD
View
B+
Retailer 14
-
HK$96,631 HKD
View
B+
Retailer 15
-
HK$102,320 HKD
View
B+
Retailer 16
-
HK$106,502 HKD
View
B+
Retailer 17
-
HK$107,357 HKD
View
B+
Retailer 18
-
HK$135,971 HKD
View
B
Retailer 19
-
HK$178,842 HKD
View
B
Retailer 20
-
HK$208,280 HKD
View
Most Expensive
B
With Clarity
817695375 · Nov 3
HK$304,189 HKD
$38,770 USD
View
20 more retailers have this diamond
Prices start from HK$41,819 HKDSave up to HK$262,370 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
4.52ct Heart
HK$41,819 HKD