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Heart|Lab Grown|IGI

3.50ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG804660376

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG804660376

Diamond specifications and retailer prices

From HK$21,011 HKD
$2,678 USD
As of October 30, 2026
Save HK$124,056 HKD (86%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$145,067 HKD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 3.5ct lab-grown heart diamond

This 3.5ct 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 LG804660376 or 804660376. Listed at 13 retailers as of October 29, 2026, with prices from HK$21,011 to HK$145,067, a HK$124,056 spread on the same certified stone. Do Amore Diamonds lists it at HK$145,067. 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

3.50
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804660376
Dimensions9.90 × 10.36 × 6.13 mm
L/W Ratio1.05
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
9.90 mm10.36 mm3.50 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804660376
Side View
Table 56.0%Crown 34.5°Girdle: MED-STKPavilion 39.7°Culet: NoneDepth 59.2%

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$145,067 HKD|Low: HK$21,011 HKD|High: HK$162,484 HKD|Avg: HK$63,918 HKD|-10.7%
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
October 30, 2026
Retailer 8HK$21,011 HKD
Retailer 3HK$22,941 HKD
Retailer 12HK$24,008 HKD
Retailer 4HK$25,365 HKD
Retailer 14HK$25,734 HKD
Retailer 5HK$27,758 HKD
Retailer 15HK$33,729 HKD
Retailer 13HK$35,886 HKD
Retailer 11HK$38,075 HKD
Retailer 9HK$45,729 HKD
Retailer 6HK$53,333 HKD
Retailer 10HK$68,792 HKD
Retailer 2HK$92,187 HKD
Retailer 7HK$137,935 HKD
Do Amore DiamondsHK$145,067 HKD

28 data points across 15 retailers

13 retailersHK$21,011 HKD to HK$145,067 HKD

A
Cheapest Retailer
-
HK$21,011 HKD
$2,678 USD
A
Retailer 2
-
HK$22,941 HKD
$2,924 USD
View
A
Retailer 3
-
HK$24,008 HKD
$3,060 USD
View
A
Retailer 4
-
HK$25,365 HKD
$3,233 USD
View
A
Retailer 5
-
HK$25,734 HKD
$3,280 USD
View
A
Retailer 6
-
HK$27,758 HKD
$3,538 USD
View
Final sale: no returns
A
Retailer 7
-
HK$33,729 HKD
$4,299 USD
View
B+
Retailer 8
-
HK$35,886 HKD
$4,574 USD
View
B+
Retailer 9
-
HK$38,075 HKD
$4,853 USD
View
B+
Retailer 10
-
HK$45,729 HKD
€5,551 EUR
View
B+
Retailer 11
-
HK$68,792 HKD
£6,904 GBP
View
B+
Retailer 12
-
HK$92,187 HKD
$11,750 USD
View
Most Expensive
B
Do Amore Diamonds
27-E9C3818C7 · Oct 29
HK$145,067 HKD
$18,490 USD
View
12 more retailers have this diamond
Prices start from HK$21,011 HKDSave up to HK$124,056 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
3.50ct Heart
HK$21,011 HKD