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Round|Lab Grown|IGI

1.54ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG816674605

Shape and cutting style on the report: Round brilliant

Certificate IGI LG816674605

Diamond specifications and retailer prices

From €462 EUR
$518 USD
As of November 1, 2026
Save €914 EUR (66%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €1,725 EUR at Rare Carat · As of October 21, 2026
View at Rare Carat

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 F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG816674605 or 816674605. Listed at 9 retailers as of October 26, 2026, with a 198% 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
F
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816674605
Dimensions7.51 × 7.49 × 4.46 mm
L/W Ratio1.00
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
7.51 mm7.49 mm1.54 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816674605
Side View
Table 59.0%Crown 33.8°Girdle: MediumPavilion 40.3°Culet: NoneDepth 59.4%

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: Nov 1
Current: €1,725 EUR|Low: €415 EUR|High: €60,551 EUR|Avg: €1,614 EUR|-1.5%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 6€462 EUR
Retailer 2€551 EUR
Retailer 7€574 EUR
Retailer 3€609 EUR
Retailer 9€791 EUR
Retailer 8€1,144 EUR
Retailer 4€1,179 EUR
Retailer 5€1,376 EUR
Rare Carat€1,725 EUR

40 data points across 9 retailers

9 retailers€462 EUR to €1,376 EUR

A
Cheapest Retailer
-
€462 EUR
$518 USD
A
Retailer 2
-
€551 EUR
View
A
Retailer 3
-
€574 EUR
$644 USD
View
A
Retailer 4
-
€609 EUR
£538 GBP
View
B+
Retailer 5
-
€791 EUR
$887 USD
View
B+
Retailer 6
-
€1,144 EUR
$1,283 USD
View
B+
Retailer 7
-
€1,179 EUR
A$2,035 AUD
View
B+
Retailer 8
-
€1,376 EUR
£1,215 GBP
View
Most Expensive
Rare Carat
PM725-1061A · Oct 21
€1,725 EUR
$1,935 USD
View
Price last confirmed 12 days ago
8 more retailers have this diamond
Prices start from €462 EURSave up to €914 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
€462 EUR