CaratHunter
Plans
Heart|Lab Grown|IGI

3.90ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG784645685

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG784645685

Diamond specifications and retailer prices

From HK$23,286 HKD
$2,968 USD
As of October 30, 2026
Save HK$137,394 HKD (86%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$160,680 HKD at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 3.9ct lab-grown heart diamond

This 3.9ct 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 LG784645685 or 784645685. Listed at 13 retailers as of October 30, 2026, with prices from HK$23,286 to HK$160,680, a HK$137,394 spread on the same certified stone. Do Amore Diamonds lists it at HK$160,680. 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

3.90
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784645685
Dimensions9.89 × 10.57 × 6.43 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
9.89 mm10.57 mm3.90 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784645685
Side View
Table 56.0%Crown 35.8°Girdle: STK-VTKPavilion 39.5°Culet: NoneDepth 60.8%

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$160,680 HKD|Low: HK$23,286 HKD|High: HK$181,157 HKD|Avg: HK$58,519 HKD|-11.3%
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
October 31, 2026
Retailer 9HK$23,286 HKD
Retailer 4HK$25,412 HKD
Retailer 12HK$26,487 HKD
Retailer 14HK$28,362 HKD
Retailer 2HK$30,755 HKD
Retailer 5HK$30,959 HKD
Retailer 3HK$37,377 HKD
Retailer 13HK$38,930 HKD
Retailer 11HK$42,116 HKD
Retailer 7HK$50,449 HKD
Retailer 6HK$59,401 HKD
Retailer 10HK$76,215 HKD
Retailer 8HK$103,014 HKD
Do Amore DiamondsHK$160,680 HKD

31 data points across 14 retailers

13 retailersHK$23,286 HKD to HK$160,680 HKD

A
Cheapest Retailer
-
HK$23,286 HKD
$2,968 USD
A
Retailer 2
-
HK$25,412 HKD
$3,239 USD
View
A
Retailer 3
-
HK$26,487 HKD
$3,376 USD
View
A
Retailer 4
-
HK$28,362 HKD
$3,615 USD
View
A
Retailer 5
-
HK$30,755 HKD
$3,920 USD
View
A
Retailer 6
-
HK$30,959 HKD
$3,946 USD
View
Final sale: no returns
A
Retailer 7
-
HK$37,377 HKD
$4,764 USD
View
B+
Retailer 8
-
HK$38,930 HKD
$4,962 USD
View
B+
Retailer 9
-
HK$42,116 HKD
$5,368 USD
View
B+
Retailer 10
-
HK$50,449 HKD
€6,124 EUR
View
B
Retailer 11
-
HK$76,215 HKD
£7,649 GBP
View
B
Retailer 12
-
HK$103,014 HKD
$13,130 USD
View
Most Expensive
B
Do Amore Diamonds
27-448375942 · Oct 30
HK$160,680 HKD
$20,480 USD
View
12 more retailers have this diamond
Prices start from HK$23,286 HKDSave up to HK$137,394 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
3.90ct Heart
HK$23,286 HKD