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Round|Lab Grown|IGI

1.54ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG781617081

Shape and cutting style on the report: Round brilliant

Certificate IGI LG781617081

Diamond specifications and retailer prices

From €391 EUR
$437 USD
As of October 29, 2026
Save €1,856 EUR (83%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: €2,909 EUR at Brilliant Earth · As of October 16, 2026
View at Brilliant Earth

About this 1.54ct lab-grown round diamond

This 1.54ct lab-grown round 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 LG781617081 or 781617081. Listed at 26 retailers as of October 29, 2026, with a 474% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle35.8°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG781617081
Dimensions7.29 × 7.36 × 4.58 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
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
7.29 mm7.36 mm1.54 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG781617081
Side View
Table 56.0%Crown 35.8°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 62.4%

Caratlytics Score

How it works →
A+
Exceptional
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: €2,247 EUR|Low: €391 EUR|High: €2,918 EUR|Avg: €1,039 EUR|-23.0%
Brilliant Earth
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
Retailer 17
Retailer 18
Retailer 19
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Retailer 21
Retailer 22
November 1, 2026
Retailer 3€391 EUR
Retailer 22€439 EUR
Retailer 17€454 EUR
Retailer 7€485 EUR
Retailer 8€485 EUR
Retailer 21€527 EUR
Retailer 20€613 EUR
Retailer 9€652 EUR
Retailer 13€758 EUR
Retailer 6€767 EUR
Retailer 2€799 EUR
Retailer 19€834 EUR
Retailer 15€854 EUR
Retailer 5€927 EUR
Retailer 16€1,103 EUR
Retailer 11€1,541 EUR
Retailer 4€1,560 EUR
Retailer 14€1,590 EUR
Retailer 10€1,746 EUR
Retailer 18€1,792 EUR
Retailer 12€1,816 EUR
Brilliant Earth€2,247 EUR

36 data points across 22 retailers

26 retailers€391 EUR to €2,247 EUR

A+
Cheapest Retailer
-
€391 EUR
$437 USD
A
Retailer 2
-
€439 EUR
$490 USD
View
A
Retailer 3
-
€454 EUR
$507 USD
View
Final sale: no returns
A
Retailer 4
-
€485 EUR
$542 USD
View
A
Retailer 5
-
€485 EUR
$542 USD
View
A
Retailer 6
-
€527 EUR
HK$4,600 HKD
View
A
Retailer 7
-
€613 EUR
$685 USD
View
A
Retailer 8
-
€652 EUR
$728 USD
View
A
Retailer 9
-
€758 EUR
View
A
Retailer 10
-
€767 EUR
$857 USD
View
A
Retailer 11
-
€799 EUR
£703 GBP
View
A
Retailer 12
-
€834 EUR
ZAR 15,048 ZAR
View
A
Retailer 13
-
€854 EUR
A$1,468 AUD
View
A
Retailer 14
-
€927 EUR
$1,036 USD
View
B+
Retailer 15
-
€1,103 EUR
$1,232 USD
View
Retailer 16
-
€1,369 EUR
$1,529 USD
View
Price last confirmed 45 days ago
B+
Retailer 17
-
€1,541 EUR
SGD 2,326 SGD
View
B
Retailer 18
-
€1,560 EUR
$1,743 USD
View
B+
Retailer 19
-
€1,590 EUR
$1,776 USD
View
B+
Retailer 20
-
€1,620 EUR
$1,810 USD
View
B+
Retailer 21
-
€1,698 EUR
$1,897 USD
View
B+
Retailer 22
-
€1,746 EUR
$1,950 USD
View
B+
Retailer 23
-
€1,792 EUR
£1,576 GBP
View
B+
Retailer 24
-
€1,816 EUR
$2,029 USD
View
B
Retailer 25
-
€2,247 EUR
$2,510 USD
View
Most Expensive
Brilliant Earth
18904911A · Oct 16
€2,909 EUR
$3,250 USD
View
Price last confirmed 15 days ago
25 more retailers have this diamond
Prices start from €391 EURSave up to €1,856 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 Round
€391 EUR