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Heart|Lab Grown|IGI

3.21ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG804660159

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG804660159

Diamond specifications and retailer prices

From €1,904 EUR
$2,127 USD
As of October 30, 2026
Save €11,558 EUR (86%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €13,462 EUR at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 3.21ct lab-grown heart diamond

This 3.21ct 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 LG804660159 or 804660159. Listed at 12 retailers as of October 30, 2026, with prices from €1,904 to €13,462, a €11,558 spread on the same certified stone. Do Amore Diamonds lists it at €13,462. 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

3.21
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804660159
Dimensions9.96 × 8.93 × 6.17 mm
L/W Ratio1.12
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
9.96 mm8.93 mm3.21 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804660159
Side View
Table 61.0%Crown 36.6°Girdle: STK-THKPavilion 40.6°Culet: NoneDepth 61.9%

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 30
Current: €13,462 EUR|Low: €1,904 EUR|High: €15,646 EUR|Avg: €5,833 EUR|-14.0%
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
Retailer 13
Retailer 14
Retailer 15
November 1, 2026
Retailer 10€1,904 EUR
Retailer 15€2,129 EUR
Retailer 2€2,240 EUR
Retailer 8€2,359 EUR
Retailer 9€2,470 EUR
Retailer 4€2,547 EUR
Retailer 14€3,444 EUR
Retailer 12€3,546 EUR
Retailer 13€3,558 EUR
Retailer 5€5,177 EUR
Retailer 11€6,744 EUR
Retailer 6€8,528 EUR
Retailer 7€11,360 EUR
Retailer 3€12,728 EUR
Do Amore Diamonds€13,462 EUR

29 data points across 15 retailers

12 retailers€1,904 EUR to €13,462 EUR

A
Cheapest Retailer
-
€1,904 EUR
$2,127 USD
A
Retailer 2
-
€2,129 EUR
$2,378 USD
View
A
Retailer 3
-
€2,240 EUR
$2,502 USD
View
A
Retailer 4
-
€2,359 EUR
$2,635 USD
View
A
Retailer 5
-
€2,470 EUR
$2,759 USD
View
A
Retailer 6
-
€2,547 EUR
$2,846 USD
View
Final sale: no returns
A
Retailer 7
-
€3,444 EUR
$3,848 USD
View
B+
Retailer 8
-
€3,546 EUR
$3,962 USD
View
A
Retailer 9
-
€3,558 EUR
$3,975 USD
View
B+
Retailer 10
-
€6,744 EUR
£5,933 GBP
View
B
Retailer 11
-
€12,728 EUR
$14,220 USD
View
Most Expensive
B
Do Amore Diamonds
27-45FF374D3 · Oct 31
€13,462 EUR
$15,040 USD
View
11 more retailers have this diamond
Prices start from €1,904 EURSave up to €11,558 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
3.21ct Heart
€1,904 EUR