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Heart|Lab Grown|IGI

5.15ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG804665301

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG804665301

Diamond specifications and retailer prices

From €9,028 EUR
$10,086 USD
As of October 30, 2026
Save €31,421 EUR (78%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €40,449 EUR at Do Amore Diamonds · As of November 1, 2026
View at Do Amore Diamonds

About this 5.15ct lab-grown heart diamond

This 5.15ct lab-grown heart sits in the over five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG804665301 or 804665301. Listed at 12 retailers as of October 30, 2026, with prices from €9,028 to €40,449, a €31,421 spread on the same certified stone. Do Amore Diamonds lists it at €40,449. 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

5.15
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804665301
Dimensions11.48 × 10.31 × 7.12 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
11.48 mm10.31 mm5.15 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804665301
Side View
Table 61.0%Crown 36.6°Girdle: STK-THKPavilion 40.2°Culet: NoneDepth 62.0%

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: €40,449 EUR|Low: €9,028 EUR|High: €44,934 EUR|Avg: €17,106 EUR|-7.9%
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 12€9,028 EUR
Retailer 8€9,049 EUR
Retailer 10€9,225 EUR
Retailer 3€9,415 EUR
Retailer 9€10,347 EUR
Retailer 2€10,834 EUR
Retailer 14€11,209 EUR
Retailer 15€11,317 EUR
Retailer 4€11,532 EUR
Retailer 11€17,812 EUR
Retailer 13€17,889 EUR
Retailer 5€21,916 EUR
Retailer 6€23,680 EUR
Retailer 7€23,901 EUR
Do Amore Diamonds€40,449 EUR

29 data points across 15 retailers

12 retailers€9,028 EUR to €40,449 EUR

A
Cheapest Retailer
-
€9,028 EUR
$10,086 USD
A
Retailer 2
-
€9,049 EUR
$10,110 USD
View
A
Retailer 3
-
€9,225 EUR
$10,306 USD
View
A
Retailer 4
-
€9,415 EUR
$10,519 USD
View
A
Retailer 5
-
€10,347 EUR
$11,560 USD
View
A
Retailer 6
-
€10,834 EUR
$12,104 USD
View
A
Retailer 7
-
€11,209 EUR
$12,523 USD
View
A
Retailer 8
-
€11,317 EUR
$12,643 USD
View
A
Retailer 9
-
€11,532 EUR
$12,884 USD
View
Final sale: no returns
A
Retailer 10
-
€17,812 EUR
$19,900 USD
View
A
Retailer 11
-
€17,889 EUR
£15,737 GBP
View
Most Expensive
B
Do Amore Diamonds
27-C16B1AC23 · Nov 1
€40,449 EUR
$45,190 USD
View
11 more retailers have this diamond
Prices start from €9,028 EURSave up to €31,421 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
5.15ct Heart
€9,028 EUR