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Heart|Lab Grown|IGI

5.15ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG804665301

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG804665301

Diamond specifications and retailer prices

From HK$79,135 HKD
As of November 2, 2026
Save HK$275,426 HKD (78%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$354,561 HKD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 5.15ct lab-grown heart diamond

This 5.15ct lab-grown heart sits in the over five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG804665301 or 804665301. Listed at 12 retailers as of November 2, 2026, with prices from HK$79,135 to HK$354,561, a HK$275,426 spread on the same certified stone. Do Amore Diamonds lists it at HK$354,561. 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

5.15
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804665301
Dimensions11.48 × 10.31 × 7.12 mm
L/W Ratio1.11
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
11.48 mm10.31 mm5.15 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804665301
Side View
Table 61.0%Crown 36.6°Girdle: STK-THKPavilion 40.2°Culet: NoneDepth 62.0%

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 2
Current: HK$354,561 HKD|Low: HK$79,135 HKD|High: HK$393,869 HKD|Avg: HK$148,641 HKD|-7.9%
Do Amore Diamonds
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
November 2, 2026
Retailer 3HK$79,135 HKD
Retailer 12HK$79,323 HKD
Retailer 14HK$80,861 HKD
Retailer 8HK$82,305 HKD
Retailer 13HK$90,700 HKD
Retailer 11HK$94,968 HKD
Retailer 10HK$97,989 HKD
Retailer 2HK$98,922 HKD
Retailer 4HK$101,088 HKD
Retailer 9HK$155,547 HKD
Retailer 15HK$156,135 HKD
Retailer 5HK$192,101 HKD
Retailer 6HK$207,566 HKD
Retailer 7HK$209,504 HKD
Do Amore DiamondsHK$354,561 HKD

28 data points across 15 retailers

12 retailersHK$79,135 HKD to HK$354,561 HKD

A
Cheapest Retailer
-
HK$79,135 HKD
A
Retailer 2
-
HK$79,323 HKD
View
A
Retailer 3
-
HK$80,861 HKD
View
A
Retailer 4
-
HK$82,305 HKD
View
A
Retailer 5
-
HK$90,700 HKD
View
A
Retailer 6
-
HK$94,968 HKD
View
A
Retailer 7
-
HK$97,989 HKD
View
A
Retailer 8
-
HK$98,922 HKD
View
A
Retailer 9
-
HK$101,088 HKD
View
Final sale: no returns
A
Retailer 10
-
HK$155,547 HKD
View
A
Retailer 11
-
HK$156,135 HKD
View
Most Expensive
B
Do Amore Diamonds
27-C16B1AC23 · Nov 2
HK$354,561 HKD
$45,190 USD
View
11 more retailers have this diamond
Prices start from HK$79,135 HKDSave up to HK$275,426 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
5.15ct Heart
HK$79,135 HKD