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Heart|Lab Grown|IGI

3.13ct D FL Heart Lab Grown Diamond

EX • D/FL • IGI LG817695370

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG817695370

Diamond specifications and retailer prices

From €2,055 EUR
$2,296 USD
As of October 30, 2026
Save €7,047 EUR (77%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €12,791 EUR at Brilliant Earth · As of September 28, 2026
View at Brilliant Earth

About this 3.13ct lab-grown heart diamond

This 3.13ct 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 LG817695370 or 817695370. Listed at 21 retailers as of October 30, 2026, with a 343% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.13
Carat
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.3°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817695370
Dimensions8.35 × 10.06 × 6.08 mm
L/W Ratio1.20
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
8.35 mm10.06 mm3.13 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817695370
Side View
Table 58.0%Crown 37.3°Girdle: MED-STKPavilion 39°Culet: NoneDepth 60.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: €8,682 EUR|Low: €2,055 EUR|High: €12,406 EUR|Avg: €4,996 EUR|-30.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
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Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 1, 2026
Retailer 6€2,055 EUR
Retailer 19€2,236 EUR
Retailer 13€2,300 EUR
Retailer 16€2,384 EUR
Retailer 5€2,477 EUR
Retailer 15€2,529 EUR
Retailer 11€2,604 EUR
Retailer 18€3,076 EUR
Retailer 17€3,276 EUR
Retailer 12€3,282 EUR
Retailer 9€3,330 EUR
Retailer 8€3,719 EUR
Retailer 14€5,535 EUR
Retailer 7€6,299 EUR
Retailer 2€6,467 EUR
Retailer 10€8,309 EUR
Retailer 3€8,325 EUR
Brilliant Earth€8,682 EUR
Retailer 4€9,102 EUR

27 data points across 19 retailers

21 retailers€2,055 EUR to €9,102 EUR

A
Cheapest Retailer
-
€2,055 EUR
$2,296 USD
A
Retailer 2
-
€2,236 EUR
$2,498 USD
View
A
Retailer 3
-
€2,300 EUR
$2,570 USD
View
Final sale: no returns
A
Retailer 4
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€2,384 EUR
$2,663 USD
View
A
Retailer 5
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€2,477 EUR
$2,767 USD
View
A
Retailer 6
-
€2,529 EUR
$2,825 USD
View
Retailer 7
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€2,604 EUR
$2,909 USD
View
Price last confirmed 19 days ago
A
Retailer 8
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€3,076 EUR
$3,437 USD
View
A
Retailer 9
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€3,276 EUR
$3,660 USD
View
A
Retailer 10
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€3,282 EUR
£2,887 GBP
View
A
Retailer 11
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€3,330 EUR
$3,720 USD
View
B+
Retailer 12
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€3,719 EUR
$4,155 USD
View
B+
Retailer 13
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€5,535 EUR
ZAR 99,894 ZAR
View
B+
Retailer 14
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€6,181 EUR
$6,905 USD
View
B+
Retailer 15
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€6,299 EUR
$7,037 USD
View
B+
Retailer 16
-
€6,467 EUR
£5,689 GBP
View
B+
Retailer 17
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€8,309 EUR
SGD 12,544 SGD
View
B+
Retailer 18
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€8,325 EUR
$9,301 USD
View
B+
Retailer 19
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€8,682 EUR
$9,700 USD
View
B
Retailer 20
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€9,102 EUR
$10,169 USD
View
Most Expensive
Brilliant Earth
20879677A · Sep 28
€12,791 EUR
$14,290 USD
View
Price last confirmed 33 days ago
20 more retailers have this diamond
Prices start from €2,055 EURSave up to €7,047 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
3.13ct Heart
€2,055 EUR