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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 €3,578 EUR
$3,997 USD
As of October 30, 2026
Save €21,136 EUR (86%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €24,713 EUR 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 €3,578 to €24,713, a €21,136 spread on the same certified stone. Do Amore Diamonds lists it at €24,713. 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
Color
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: €24,713 EUR|Low: €3,578 EUR|High: €25,949 EUR|Avg: €8,330 EUR|-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 5€3,578 EUR
Retailer 3€3,765 EUR
Retailer 6€3,843 EUR
Retailer 9€3,878 EUR
Retailer 4€4,089 EUR
Retailer 12€4,216 EUR
Retailer 10€5,526 EUR
Retailer 11€5,747 EUR
Retailer 8€6,454 EUR
Retailer 7€9,575 EUR
Retailer 2€11,332 EUR
Do Amore Diamonds€24,713 EUR

12 data points across 12 retailers

12 retailers€3,578 EUR to €24,713 EUR

A+
Cheapest Retailer
-
€3,578 EUR
$3,997 USD
A
Retailer 2
-
€3,765 EUR
$4,206 USD
View
A
Retailer 3
-
€3,843 EUR
£3,380 GBP
View
A
Retailer 4
-
€3,878 EUR
$4,333 USD
View
A
Retailer 5
-
€4,089 EUR
$4,568 USD
View
A
Retailer 6
-
€4,216 EUR
$4,710 USD
View
A
Retailer 7
-
€5,526 EUR
$6,174 USD
View
A
Retailer 8
-
€5,747 EUR
$6,421 USD
View
A
Retailer 9
-
€6,454 EUR
$7,211 USD
View
B+
Retailer 10
-
€9,575 EUR
£8,423 GBP
View
B+
Retailer 11
-
€11,332 EUR
$12,660 USD
View
Most Expensive
B
Do Amore Diamonds
27-2AEFE2FD2 · Oct 31
€24,713 EUR
$27,610 USD
View
11 more retailers have this diamond
Prices start from €3,578 EURSave up to €21,136 EUR

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
€3,578 EUR