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Round|Lab Grown|IGI

1.54ct F SI1 Round Lab Grown Diamond

EX • F/SI1 • IGI LG779639055

Shape and cutting style on the report: Round brilliant

Certificate IGI LG779639055

Diamond specifications and retailer prices

From €179 EUR
As of November 5, 2026
Save €860 EUR (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €1,039 EUR at Brilliant Earth · As of November 5, 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG779639055 or 779639055. Listed at 16 retailers as of November 5, 2026, with prices from €179 to €1,039, a €860 spread on the same certified stone. Brilliant Earth lists it at €1,039. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.54
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG779639055
Dimensions7.37 × 7.31 × 4.59 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.37 mm7.31 mm1.54 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG779639055
Side View
Table 58.0%Crown 34.9°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 62.5%

Caratlytics Score

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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 5
Current: €406 EUR|Low: €172 EUR|High: €1,051 EUR|Avg: €520 EUR
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 9€179 EUR
Retailer 12€222 EUR
Retailer 10€300 EUR
Retailer 4€394 EUR
Retailer 5€402 EUR
Retailer 1€406 EUR
Retailer 11€487 EUR
Retailer 2€520 EUR
Retailer 6€654 EUR
Retailer 8€717 EUR
Retailer 3€724 EUR
Retailer 7€1,038 EUR

44 data points across 12 retailers

16 retailers€179 EUR to €1,039 EUR

A
Cheapest Retailer
-
€179 EUR
A
Retailer 2
-
€208 EUR
View
Retailer 3
-
€222 EUR
View
Price last confirmed 13 days ago
A
Retailer 4
-
€222 EUR
View
B+
Retailer 5
-
€300 EUR
View
A
Retailer 6
-
€394 EUR
View
A
Retailer 7
-
€402 EUR
View
A
Retailer 8
-
€406 EUR
View
B+
Retailer 9
-
€487 EUR
View
B+
Retailer 10
-
€520 EUR
View
B+
Retailer 11
-
€654 EUR
View
B+
Retailer 12
-
€715 EUR
View
B+
Retailer 13
-
€717 EUR
View
B+
Retailer 14
-
€724 EUR
View
B
Retailer 15
-
€1,038 EUR
View
Most Expensive
B
Brilliant Earth
20762835A · Nov 5
€1,039 EUR
$1,160 USD
View
15 more retailers have this diamond
Prices start from €179 EURSave up to €860 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
€179 EUR