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Heart|Lab Grown|IGI

4.15ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG784645686

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG784645686

Diamond specifications and retailer prices

From HK$31,571 HKD
$4,024 USD
As of October 30, 2026
Save HK$185,676 HKD (85%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$217,247 HKD at Do Amore Diamonds · As of November 1, 2026
View at Do Amore Diamonds

About this 4.15ct lab-grown heart diamond

This 4.15ct 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 LG784645686 or 784645686. Listed at 13 retailers as of October 30, 2026, with prices from HK$31,571 to HK$217,247, a HK$185,676 spread on the same certified stone. Do Amore Diamonds lists it at HK$217,247. 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

4.15
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784645686
Dimensions10.85 × 10.18 × 6.40 mm
L/W Ratio1.07
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
10.85 mm10.18 mm4.15 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784645686
Side View
Table 57.0%Crown 36.6°Girdle: STK-VTKPavilion 39.4°Culet: NoneDepth 59.0%

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: Oct 30
Current: HK$217,247 HKD|Low: HK$31,296 HKD|High: HK$244,315 HKD|Avg: HK$75,098 HKD|-11.1%
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
November 1, 2026
Retailer 13HK$31,571 HKD
Retailer 4HK$33,227 HKD
Retailer 8HK$34,097 HKD
Retailer 10HK$36,286 HKD
Retailer 9HK$37,032 HKD
Retailer 5HK$41,771 HKD
Retailer 3HK$48,777 HKD
Retailer 7HK$50,518 HKD
Retailer 2HK$56,709 HKD
Retailer 11HK$69,619 HKD
Retailer 6HK$79,749 HKD
Retailer 14HK$84,505 HKD
Retailer 12HK$100,033 HKD
Do Amore DiamondsHK$217,247 HKD

33 data points across 14 retailers

13 retailersHK$31,571 HKD to HK$217,247 HKD

A
Cheapest Retailer
-
HK$31,571 HKD
$4,024 USD
A
Retailer 2
-
HK$33,227 HKD
$4,235 USD
View
A
Retailer 3
-
HK$34,097 HKD
$4,346 USD
View
A
Retailer 4
-
HK$36,286 HKD
$4,625 USD
View
A
Retailer 5
-
HK$37,032 HKD
$4,720 USD
View
A
Retailer 6
-
HK$41,771 HKD
$5,324 USD
View
Final sale: no returns
A
Retailer 7
-
HK$48,777 HKD
$6,217 USD
View
A
Retailer 8
-
HK$50,518 HKD
$6,439 USD
View
A
Retailer 9
-
HK$56,709 HKD
$7,228 USD
View
B+
Retailer 10
-
HK$69,619 HKD
€8,451 EUR
View
B+
Retailer 11
-
HK$84,505 HKD
£8,481 GBP
View
B+
Retailer 12
-
HK$100,033 HKD
$12,750 USD
View
Most Expensive
B
Do Amore Diamonds
27-E445A2275 · Nov 1
HK$217,247 HKD
$27,690 USD
View
12 more retailers have this diamond
Prices start from HK$31,571 HKDSave up to HK$185,676 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
4.15ct Heart
HK$31,571 HKD