Heart|Lab Grown|IGI

4.12ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG846662167

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG846662167

Diamond specifications and retailer prices

From HK$31,359 HKD
$3,997 USD
As of October 30, 2026
Save HK$185,261 HKD (86%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$216,620 HKD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 4.12ct lab-grown heart diamond

This 4.12ct 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 LG846662167 or 846662167. Listed at 12 retailers as of October 30, 2026, with prices from HK$31,359 to HK$216,620, a HK$185,261 spread on the same certified stone. Do Amore Diamonds lists it at HK$216,620. 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

4.12
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846662167
Dimensions9.73 × 10.83 × 6.54 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
9.73 mm10.83 mm4.12 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846662167
Side View
Table 62.0%Crown 36.2°Girdle: THK-VTKPavilion 40.1°Culet: NoneDepth 60.4%

Caratlytics Score

How it works →
A+
Exceptional
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$216,620 HKD|Low: HK$31,359 HKD|High: HK$227,447 HKD|Avg: HK$73,012 HKD|-4.8%
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
October 30, 2026
Retailer 5HK$31,359 HKD
Retailer 3HK$32,999 HKD
Retailer 6HK$33,681 HKD
Retailer 9HK$33,995 HKD
Retailer 4HK$35,839 HKD
Retailer 12HK$36,953 HKD
Retailer 10HK$48,439 HKD
Retailer 11HK$50,377 HKD
Retailer 8HK$56,575 HKD
Retailer 7HK$83,927 HKD
Retailer 2HK$99,327 HKD
Do Amore DiamondsHK$216,620 HKD

12 data points across 12 retailers

12 retailersHK$31,359 HKD to HK$216,620 HKD

A+
Cheapest Retailer
-
HK$31,359 HKD
$3,997 USD
A
Retailer 2
-
HK$32,999 HKD
$4,206 USD
View
A
Retailer 3
-
HK$33,681 HKD
£3,380 GBP
View
A
Retailer 4
-
HK$33,995 HKD
$4,333 USD
View
A
Retailer 5
-
HK$35,839 HKD
$4,568 USD
View
A
Retailer 6
-
HK$36,953 HKD
$4,710 USD
View
A
Retailer 7
-
HK$48,439 HKD
$6,174 USD
View
A
Retailer 8
-
HK$50,377 HKD
$6,421 USD
View
A
Retailer 9
-
HK$56,575 HKD
$7,211 USD
View
B+
Retailer 10
-
HK$83,927 HKD
£8,423 GBP
View
B+
Retailer 11
-
HK$99,327 HKD
$12,660 USD
View
Most Expensive
B
Do Amore Diamonds
27-2AEFE2FD2 · Oct 31
HK$216,620 HKD
$27,610 USD
View
11 more retailers have this diamond
Prices start from HK$31,359 HKDSave up to HK$185,261 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+
4.12ct Heart
HK$31,359 HKD