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Heart|Lab Grown|IGI

3.03ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG816618506

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG816618506

Diamond specifications and retailer prices

From €2,157 EUR
$2,410 USD
As of October 30, 2026
Save €6,577 EUR (75%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €8,734 EUR at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 3.03ct lab-grown heart diamond

This 3.03ct 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 LG816618506 or 816618506. Listed at 18 retailers as of October 30, 2026, with prices from €2,157 to €8,734, a €6,577 spread on the same certified stone. Taylor and Hart lists it at €8,734. 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

3.03
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816618506
Dimensions10.06 × 9.07 × 5.79 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
10.06 mm9.07 mm3.03 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816618506
Side View
Table 61.0%Crown 33.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 57.6%

Caratlytics Score

How it works →
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: €3,446 EUR|Low: €1,890 EUR|High: €9,559 EUR|Avg: €4,572 EUR|-7.1%
Retailer 1
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
Taylor and Hart
November 1, 2026
Retailer 6€2,157 EUR
Retailer 12€2,347 EUR
Retailer 4€2,415 EUR
Retailer 16€2,502 EUR
Retailer 3€2,581 EUR
Retailer 11€2,649 EUR
Retailer 8€2,742 EUR
Retailer 14€2,961 EUR
Retailer 7€3,439 EUR
Retailer 1€3,446 EUR
Retailer 13€3,751 EUR
Retailer 15€3,902 EUR
Retailer 9€5,810 EUR
Retailer 5€6,681 EUR
Retailer 10€6,734 EUR
Retailer 2€7,380 EUR
Taylor and Hart€8,734 EUR

44 data points across 17 retailers

18 retailers€2,157 EUR to €8,734 EUR

A
Cheapest Retailer
-
€2,157 EUR
$2,410 USD
A
Retailer 2
-
€2,347 EUR
$2,622 USD
View
A
Retailer 3
-
€2,415 EUR
$2,698 USD
View
Final sale: no returns
A
Retailer 4
-
€2,502 EUR
$2,795 USD
View
A
Retailer 5
-
€2,581 EUR
$2,883 USD
View
A
Retailer 6
-
€2,649 EUR
$2,960 USD
View
Retailer 7
-
€2,703 EUR
$3,020 USD
View
Price last confirmed 37 days ago
Retailer 8
-
€2,742 EUR
$3,063 USD
View
Price last confirmed 19 days ago
A
Retailer 9
-
€2,961 EUR
$3,308 USD
View
A
Retailer 10
-
€3,439 EUR
$3,842 USD
View
B+
Retailer 11
-
€3,446 EUR
£3,031 GBP
View
B+
Retailer 12
-
€3,751 EUR
$4,191 USD
View
B+
Retailer 13
-
€3,902 EUR
$4,359 USD
View
B+
Retailer 14
-
€5,810 EUR
ZAR 104,859 ZAR
View
B+
Retailer 15
-
€6,681 EUR
$7,464 USD
View
B+
Retailer 16
-
€6,734 EUR
£5,924 GBP
View
B
Retailer 17
-
€7,380 EUR
$8,245 USD
View
Most Expensive
B
Taylor and Hart
NP8SDHB · Oct 31
€8,734 EUR
$9,758 USD
View
17 more retailers have this diamond
Prices start from €2,157 EURSave up to €6,577 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
3.03ct Heart
€2,157 EUR