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Heart|Lab Grown|IGI

3.10ct D IF Heart Lab Grown Diamond

EX • D/IF • IGI LG615341592

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG615341592

Diamond specifications and retailer prices

From €1,347 EUR
$1,505 USD
As of October 31, 2026
Save €7,317 EUR (84%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: €8,664 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 3.1ct lab-grown heart diamond

This 3.1ct lab-grown heart sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG615341592 or 615341592. Listed at 24 retailers as of October 31, 2026, with prices from €1,347 to €8,664, a €7,317 spread on the same certified stone. Brilliant Earth lists it at €8,664. 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

3.10
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG615341592
Dimensions9.44 × 9.86 × 5.81 mm
L/W Ratio1.04
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
9.44 mm9.86 mm3.10 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG615341592
Side View
Table 59.0%Crown 36.3°Girdle: MED-THKPavilion 38.9°Culet: NoneDepth 58.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: €8,664 EUR|Low: €1,347 EUR|High: €11,260 EUR|Avg: €3,326 EUR|-23.1%
Brilliant Earth
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
Retailer 17
October 31, 2026
Retailer 10€1,347 EUR
Retailer 9€1,498 EUR
Retailer 12€1,549 EUR
Retailer 7€1,667 EUR
Retailer 11€1,969 EUR
Retailer 6€2,099 EUR
Retailer 2€2,226 EUR
Retailer 13€2,349 EUR
Retailer 17€2,752 EUR
Retailer 14€3,242 EUR
Retailer 8€3,297 EUR
Retailer 4€3,616 EUR
Retailer 3€3,841 EUR
Retailer 16€4,338 EUR
Retailer 15€4,510 EUR
Retailer 5€4,906 EUR
Brilliant Earth€8,664 EUR

32 data points across 17 retailers

24 retailers€1,347 EUR to €8,664 EUR

Retailer 1
-
€1,257 EUR
$1,404 USD
Price last confirmed 23 days ago
A
Retailer 2
-
€1,347 EUR
$1,505 USD
View
Final sale: no returns
Retailer 3
-
€1,405 EUR
$1,570 USD
View
Price last confirmed 33 days ago
Retailer 4
-
€1,457 EUR
$1,628 USD
View
Price last confirmed 28 days ago
Retailer 5
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€1,457 EUR
$1,628 USD
View
Price last confirmed 19 days ago
Retailer 6
-
€1,478 EUR
$1,651 USD
View
Price last confirmed 36 days ago
A
Retailer 7
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€1,549 EUR
$1,730 USD
View
A
Retailer 8
-
€1,667 EUR
$1,862 USD
View
A
Retailer 9
-
€1,969 EUR
£1,732 GBP
View
A
Retailer 10
-
€2,099 EUR
$2,345 USD
View
A
Retailer 11
-
€2,226 EUR
View
A
Retailer 12
-
€2,349 EUR
$2,624 USD
View
A
Retailer 13
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€2,645 EUR
$2,955 USD
View
Retailer 14
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€2,732 EUR
$3,052 USD
View
Price last confirmed 27 days ago
A
Retailer 15
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€2,752 EUR
$3,074 USD
View
A
Retailer 16
-
€3,242 EUR
ZAR 58,511 ZAR
View
Retailer 17
-
€3,297 EUR
A$5,666 AUD
View
Price last confirmed 9 days ago
B+
Retailer 18
-
€3,616 EUR
$4,040 USD
View
B+
Retailer 19
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€3,763 EUR
$4,204 USD
View
B+
Retailer 20
-
€3,841 EUR
$4,291 USD
View
B+
Retailer 21
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€4,338 EUR
$4,846 USD
View
B+
Retailer 22
-
€4,510 EUR
£3,967 GBP
View
B+
Retailer 23
-
€4,906 EUR
$5,481 USD
View
Most Expensive
B
Brilliant Earth
9264978A · Oct 31
€8,664 EUR
$9,680 USD
View
23 more retailers have this diamond
Prices start from €1,347 EURSave up to €7,317 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
3.10ct Heart
€1,347 EUR