Heart|Lab Grown|IGI

4.09ct D FL Heart Lab Grown Diamond

EX • D/FL • IGI LG795641446

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG795641446

Diamond specifications and retailer prices

From €5,429 EUR
$6,065 USD
As of October 30, 2026
Save €15,497 EUR (74%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €20,925 EUR at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 4.09ct lab-grown heart diamond

This 4.09ct 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 LG795641446 or 795641446. Listed at 14 retailers as of October 30, 2026, with prices from €5,429 to €20,925, a €15,497 spread on the same certified stone. Taylor and Hart lists it at €20,925. 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

4.09
Carat
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG795641446
Dimensions10.02 × 11.34 × 6.36 mm
L/W Ratio1.13
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
10.02 mm11.34 mm4.09 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG795641446
Side View
Table 62.0%Crown 33.6°Girdle: MED-STKPavilion 41°Culet: NoneDepth 56.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: €6,739 EUR|Low: €4,287 EUR|High: €23,698 EUR|Avg: €11,387 EUR|-15.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Taylor and Hart
October 31, 2026
Retailer 5€4,287 EUR
Retailer 4€5,429 EUR
Retailer 3€5,719 EUR
Retailer 2€5,953 EUR
Retailer 8€6,347 EUR
Retailer 12€6,446 EUR
Retailer 1€6,739 EUR
Retailer 11€8,908 EUR
Retailer 7€9,993 EUR
Retailer 10€12,178 EUR
Retailer 9€12,670 EUR
Retailer 13€19,397 EUR
Retailer 6€20,109 EUR
Taylor and Hart€20,925 EUR

34 data points across 14 retailers

14 retailers€5,429 EUR to €20,925 EUR

A
Cheapest Retailer
-
€5,429 EUR
$6,065 USD
A
Retailer 2
-
€5,719 EUR
$6,389 USD
View
Retailer 3
-
€5,953 EUR
$6,651 USD
View
Price last confirmed 15 days ago
A
Retailer 4
-
€6,347 EUR
HK$55,400 HKD
View
A
Retailer 5
-
€6,446 EUR
$7,201 USD
View
A
Retailer 6
-
€6,739 EUR
£5,928 GBP
View
B+
Retailer 7
-
€8,908 EUR
$9,952 USD
View
B+
Retailer 8
-
€9,473 EUR
$10,583 USD
View
B+
Retailer 9
-
€9,993 EUR
$11,164 USD
View
B+
Retailer 10
-
€12,178 EUR
£10,713 GBP
View
B+
Retailer 11
-
€12,670 EUR
ZAR 228,678 ZAR
View
B
Retailer 12
-
€19,397 EUR
$21,670 USD
View
B
Retailer 13
-
€20,109 EUR
$22,466 USD
View
Most Expensive
B
Taylor and Hart
846NOQT · Oct 30
€20,925 EUR
$23,378 USD
View
13 more retailers have this diamond
Prices start from €5,429 EURSave up to €15,497 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
4.09ct Heart
€5,429 EUR