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Heart|Lab Grown|IGI

3.31ct D FL Heart Lab Grown Diamond

EX • D/FL • IGI LG844621799

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG844621799

Diamond specifications and retailer prices

From €3,451 EUR
$3,855 USD
As of October 26, 2026
Save €15,236 EUR (82%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €18,687 EUR at With Clarity · As of October 30, 2026
View at With Clarity

About this 3.31ct lab-grown heart diamond

This 3.31ct 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 LG844621799 or 844621799. Listed at 16 retailers as of October 26, 2026, with prices from €3,451 to €18,687, a €15,236 spread on the same certified stone. With Clarity lists it at €18,687. 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

3.31
Carat
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle42.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844621799
Dimensions10.53 × 9.47 × 5.86 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
10.53 mm9.47 mm3.31 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG844621799
Side View
Table 63.0%Crown 34.4°Girdle: MED-STKPavilion 42.1°Culet: NoneDepth 55.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 26
Current: €4,495 EUR|Low: €3,451 EUR|High: €18,687 EUR|Avg: €8,002 EUR|-0.2%
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
Retailer 14
Retailer 15
Retailer 16
With Clarity
October 27, 2026
Retailer 5€3,451 EUR
Retailer 12€3,750 EUR
Retailer 15€3,766 EUR
Retailer 2€3,903 EUR
Retailer 3€4,216 EUR
Retailer 1€4,495 EUR
Retailer 10€5,015 EUR
Retailer 8€6,243 EUR
Retailer 9€8,078 EUR
Retailer 7€8,304 EUR
Retailer 11€8,710 EUR
Retailer 16€9,490 EUR
Retailer 13€9,919 EUR
Retailer 14€10,965 EUR
Retailer 6€13,282 EUR
Retailer 4€14,198 EUR
With Clarity€18,687 EUR

16 data points across 17 retailers

16 retailers€3,451 EUR to €18,687 EUR

A
Cheapest Retailer
-
€3,451 EUR
$3,855 USD
B+
Retailer 2
-
€3,750 EUR
CA$5,818 CAD
View
B+
Retailer 3
-
€3,766 EUR
$4,207 USD
View
B+
Retailer 4
-
€3,903 EUR
$4,360 USD
View
B+
Retailer 5
-
€4,495 EUR
£3,954 GBP
View
B+
Retailer 6
-
€5,015 EUR
£4,411 GBP
View
B+
Retailer 7
-
€6,243 EUR
$6,975 USD
View
B
Retailer 8
-
€8,078 EUR
£7,106 GBP
View
B
Retailer 9
-
€8,304 EUR
$9,277 USD
View
B
Retailer 10
-
€8,710 EUR
ZAR 157,197 ZAR
View
B
Retailer 11
-
€9,490 EUR
$10,603 USD
View
B
Retailer 12
-
€9,919 EUR
$11,082 USD
View
B
Retailer 13
-
€10,965 EUR
$12,250 USD
View
B
Retailer 14
-
€13,282 EUR
$14,839 USD
View
Retailer 15
-
€14,198 EUR
$15,862 USD
View
Price last confirmed 11 days ago
Most Expensive
B
With Clarity
844621799 · Oct 30
€18,687 EUR
$20,877 USD
View
15 more retailers have this diamond
Prices start from €3,451 EURSave up to €15,236 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
3.31ct Heart
€3,451 EUR