Heart|Lab Grown|IGI

3.09ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG840634518

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG840634518

Diamond specifications and retailer prices

From €2,029 EUR
$2,267 USD
As of October 30, 2026
Save €6,958 EUR (77%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €8,987 EUR at With Clarity · As of October 31, 2026
View at With Clarity

About this 3.09ct lab-grown heart diamond

This 3.09ct 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 LG840634518 or 840634518. Listed at 19 retailers as of October 30, 2026, with prices from €2,029 to €8,987, a €6,958 spread on the same certified stone. With Clarity lists it at €8,987. 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

3.09
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle38°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840634518
Dimensions9.26 × 10.16 × 5.66 mm
L/W Ratio1.10
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
9.26 mm10.16 mm3.09 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840634518
Side View
Table 56.0%Crown 32.8°Girdle: MED-THKPavilion 38°Culet: NoneDepth 55.7%

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: €3,240 EUR|Low: €2,029 EUR|High: €10,603 EUR|Avg: €4,328 EUR|-7.5%
Retailer 1
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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
Retailer 16
Retailer 17
Retailer 18
With Clarity
November 1, 2026
Retailer 7€2,029 EUR
Retailer 3€2,207 EUR
Retailer 5€2,351 EUR
Retailer 16€2,353 EUR
Retailer 6€2,447 EUR
Retailer 17€2,502 EUR
Retailer 13€2,809 EUR
Retailer 2€3,009 EUR
Retailer 18€3,235 EUR
Retailer 1€3,240 EUR
Retailer 12€3,365 EUR
Retailer 9€3,673 EUR
Retailer 11€3,882 EUR
Retailer 14€5,465 EUR
Retailer 8€6,102 EUR
Retailer 15€6,419 EUR
Retailer 10€8,205 EUR
Retailer 4€8,222 EUR
With Clarity€8,987 EUR

14 data points across 19 retailers

19 retailers€2,029 EUR to €8,987 EUR

A
Cheapest Retailer
-
€2,029 EUR
$2,267 USD
A
Retailer 2
-
€2,207 EUR
$2,466 USD
View
A
Retailer 3
-
€2,351 EUR
$2,627 USD
View
Final sale: no returns
A
Retailer 4
-
€2,353 EUR
$2,629 USD
View
A
Retailer 5
-
€2,447 EUR
$2,734 USD
View
A
Retailer 6
-
€2,502 EUR
$2,795 USD
View
A
Retailer 7
-
€2,809 EUR
£2,471 GBP
View
A
Retailer 8
-
€3,009 EUR
$3,362 USD
View
A
Retailer 9
-
€3,235 EUR
$3,614 USD
View
A
Retailer 10
-
€3,240 EUR
£2,850 GBP
View
A
Retailer 11
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€3,365 EUR
$3,759 USD
View
B+
Retailer 12
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€3,673 EUR
$4,104 USD
View
B+
Retailer 13
-
€3,882 EUR
View
B+
Retailer 14
-
€5,465 EUR
ZAR 98,632 ZAR
View
B+
Retailer 15
-
€6,102 EUR
$6,817 USD
View
B
Retailer 16
-
€6,419 EUR
£5,647 GBP
View
B+
Retailer 17
-
€8,205 EUR
SGD 12,387 SGD
View
B
Retailer 18
-
€8,222 EUR
$9,185 USD
View
Most Expensive
B
With Clarity
840634518 · Oct 31
€8,987 EUR
$10,040 USD
View
18 more retailers have this diamond
Prices start from €2,029 EURSave up to €6,958 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
3.09ct Heart
€2,029 EUR