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Heart|Lab Grown|IGI

1.54ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG818667577

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG818667577

Diamond specifications and retailer prices

From €587 EUR
$656 USD
As of October 30, 2026
Save €3,199 EUR (84%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €3,786 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 LG818667577 or 818667577. Listed at 18 retailers as of October 30, 2026, with prices from €587 to €3,786, a €3,199 spread on the same certified stone. With Clarity lists it at €3,786. 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 angle36.5°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818667577
Dimensions6.84 × 7.93 × 4.88 mm
L/W Ratio1.16
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
6.84 mm7.93 mm1.54 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818667577
Side View
Table 55.0%Crown 36.5°Girdle: STK-THKPavilion 39.8°Culet: NoneDepth 61.5%

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: €1,088 EUR|Low: €587 EUR|High: €4,422 EUR|Avg: €1,786 EUR|-24.6%
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
With Clarity
November 2, 2026
Retailer 5€587 EUR
Retailer 2€638 EUR
Retailer 13€681 EUR
Retailer 9€743 EUR
Retailer 14€841 EUR
Retailer 16€1,045 EUR
Retailer 1€1,088 EUR
Retailer 12€1,109 EUR
Retailer 4€1,240 EUR
Retailer 7€1,583 EUR
Retailer 15€1,914 EUR
Retailer 6€2,240 EUR
Retailer 3€2,349 EUR
Retailer 8€2,671 EUR
Retailer 10€2,868 EUR
Retailer 11€3,124 EUR
With Clarity€3,786 EUR

34 data points across 17 retailers

18 retailers€587 EUR to €3,786 EUR

A
Cheapest Retailer
-
€587 EUR
$656 USD
A
Retailer 2
-
€638 EUR
$713 USD
View
A
Retailer 3
-
€681 EUR
$761 USD
View
Retailer 4
-
€690 EUR
$771 USD
View
Price last confirmed 16 days ago
A
Retailer 5
-
€743 EUR
$830 USD
View
Final sale: no returns
A
Retailer 6
-
€841 EUR
$940 USD
View
A
Retailer 7
-
€1,045 EUR
$1,167 USD
View
A
Retailer 8
-
€1,088 EUR
£957 GBP
View
B+
Retailer 9
-
€1,109 EUR
$1,239 USD
View
Retailer 10
-
€1,240 EUR
ZAR 22,372 ZAR
View
Price last confirmed 9 days ago
B+
Retailer 11
-
€1,583 EUR
$1,768 USD
View
B+
Retailer 12
-
€1,914 EUR
$2,138 USD
View
B+
Retailer 13
-
€2,240 EUR
$2,502 USD
View
B+
Retailer 14
-
€2,349 EUR
$2,624 USD
View
B
Retailer 15
-
€2,671 EUR
SGD 4,032 SGD
View
B
Retailer 16
-
€2,868 EUR
£2,523 GBP
View
B
Retailer 17
-
€3,124 EUR
$3,490 USD
View
Most Expensive
B
With Clarity
818667577 · Nov 2
€3,786 EUR
$4,230 USD
View
17 more retailers have this diamond
Prices start from €587 EURSave up to €3,199 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
€587 EUR