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Heart|Lab Grown|IGI

3.12ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG797643241

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG797643241

Diamond specifications and retailer prices

From €2,860 EUR
$3,195 USD
As of October 31, 2026
Save €11,658 EUR (80%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €14,517 EUR at With Clarity · As of October 31, 2026
View at With Clarity

About this 3.12ct lab-grown heart diamond

This 3.12ct 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 LG797643241 or 797643241. Listed at 17 retailers as of October 31, 2026, with prices from €2,860 to €14,517, a €11,658 spread on the same certified stone. With Clarity lists it at €14,517. 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

3.12
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.2°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG797643241
Dimensions10.10 × 8.61 × 5.87 mm
L/W Ratio1.17
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
10.10 mm8.61 mm3.12 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG797643241
Side View
Table 62.0%Crown 39.2°Girdle: MED-STKPavilion 38.2°Culet: NoneDepth 58.1%

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 31
Current: €7,509 EUR|Low: €2,051 EUR|High: €14,517 EUR|Avg: €5,601 EUR
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
With Clarity
November 1, 2026
Retailer 4€2,860 EUR
Retailer 2€2,963 EUR
Retailer 9€3,106 EUR
Retailer 3€4,003 EUR
Retailer 10€4,234 EUR
Retailer 7€4,257 EUR
Retailer 6€6,880 EUR
Retailer 8€7,089 EUR
Retailer 1€7,509 EUR
Retailer 5€10,177 EUR
With Clarity€14,517 EUR

39 data points across 11 retailers

17 retailers€2,860 EUR to €14,517 EUR

Retailer 1
-
€2,554 EUR
$2,853 USD
Price last confirmed 24 days ago
Retailer 2
-
€2,778 EUR
$3,104 USD
View
Price last confirmed 33 days ago
A
Retailer 3
-
€2,860 EUR
$3,195 USD
View
Final sale: no returns
Retailer 4
-
€2,963 EUR
$3,310 USD
View
Price last confirmed 29 days ago
A
Retailer 5
-
€3,106 EUR
$3,470 USD
View
A
Retailer 6
-
€3,229 EUR
$3,607 USD
View
B+
Retailer 7
-
€4,003 EUR
£3,521 GBP
View
Retailer 8
-
€4,073 EUR
$4,550 USD
View
Price last confirmed 31 days ago
B+
Retailer 9
-
€4,234 EUR
$4,730 USD
View
B+
Retailer 10
-
€4,257 EUR
$4,756 USD
View
B+
Retailer 11
-
€6,880 EUR
ZAR 124,168 ZAR
View
B+
Retailer 12
-
€7,089 EUR
$7,920 USD
View
B+
Retailer 13
-
€7,509 EUR
£6,606 GBP
View
B
Retailer 14
-
€8,647 EUR
$9,661 USD
View
B
Retailer 15
-
€10,177 EUR
$11,370 USD
View
B
Retailer 16
-
€10,323 EUR
$11,533 USD
View
Most Expensive
B
With Clarity
797643241 · Oct 31
€14,517 EUR
$16,219 USD
View
16 more retailers have this diamond
Prices start from €2,860 EURSave up to €11,658 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
3.12ct Heart
€2,860 EUR