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Heart|Lab Grown|IGI

1.54ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG846663393

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG846663393

Diamond specifications and retailer prices

From €568 EUR
$635 USD
As of October 30, 2026
Save €3,313 EUR (85%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €3,881 EUR at With Clarity · As of November 2, 2026
View at With Clarity

About this 1.54ct lab-grown heart diamond

This 1.54ct lab-grown heart sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG846663393 or 846663393. Listed at 14 retailers as of October 30, 2026, with prices from €568 to €3,881, a €3,313 spread on the same certified stone. With Clarity lists it at €3,881. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.54
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846663393
Dimensions7.20 × 7.44 × 4.78 mm
L/W Ratio1.03
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
7.20 mm7.44 mm1.54 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846663393
Side View
Table 57.0%Crown 35.6°Girdle: STK-THKPavilion 41°Culet: NoneDepth 64.2%

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: €745 EUR|Low: €568 EUR|High: €4,413 EUR|Avg: €1,745 EUR|-0.3%
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
With Clarity
November 1, 2026
Retailer 8€568 EUR
Retailer 4€619 EUR
Retailer 1€745 EUR
Retailer 11€798 EUR
Retailer 9€819 EUR
Retailer 3€1,078 EUR
Retailer 2€1,082 EUR
Retailer 5€1,289 EUR
Retailer 7€1,684 EUR
Retailer 13€1,853 EUR
Retailer 12€2,594 EUR
Retailer 10€2,791 EUR
Retailer 6€3,473 EUR
With Clarity€3,881 EUR

6 data points across 14 retailers

14 retailers€568 EUR to €3,881 EUR

A
Cheapest Retailer
-
€568 EUR
$635 USD
A
Retailer 2
-
€619 EUR
$691 USD
View
A
Retailer 3
-
€745 EUR
£655 GBP
View
A
Retailer 4
-
€798 EUR
$892 USD
View
A
Retailer 5
-
€819 EUR
$915 USD
View
B+
Retailer 6
-
€1,078 EUR
$1,204 USD
View
B+
Retailer 7
-
€1,082 EUR
$1,209 USD
View
Retailer 8
-
€1,289 EUR
View
Price last confirmed 9 days ago
B+
Retailer 9
-
€1,684 EUR
$1,881 USD
View
B
Retailer 10
-
€1,853 EUR
$2,070 USD
View
B
Retailer 11
-
€2,594 EUR
$2,898 USD
View
B
Retailer 12
-
€2,791 EUR
£2,455 GBP
View
B
Retailer 13
-
€3,473 EUR
$3,880 USD
View
Most Expensive
B
With Clarity
846663393 · Nov 2
€3,881 EUR
$4,336 USD
View
13 more retailers have this diamond
Prices start from €568 EURSave up to €3,313 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
1.54ct Heart
€568 EUR