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Round|Lab Grown|IGI

1.54ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG816613791

Shape and cutting style on the report: Round brilliant

Certificate IGI LG816613791

Diamond specifications and retailer prices

From €184 EUR
As of November 5, 2026
Save €877 EUR (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €1,060 EUR at MOH London · As of November 5, 2026
View at MOH London

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 LG816613791 or 816613791. Listed at 14 retailers as of November 5, 2026, with prices from €184 to €1,060, a €877 spread on the same certified stone. MOH London lists it at €1,060. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816613791
Dimensions7.45 × 7.39 × 4.58 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.45 mm7.39 mm1.54 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816613791
Side View
Table 57.0%Crown 34.7°Girdle: MediumPavilion 41°Culet: NoneDepth 61.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 5
Current: €1,060 EUR|Low: €184 EUR|High: €1,076 EUR|Avg: €574 EUR|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 7€184 EUR
Retailer 8€227 EUR
Retailer 2€383 EUR
Retailer 9€393 EUR
Retailer 3€413 EUR
Retailer 6€645 EUR
Retailer 4€734 EUR
Retailer 5€923 EUR
MOH London€1,060 EUR

43 data points across 9 retailers

14 retailers€184 EUR to €1,060 EUR

A
Cheapest Retailer
-
€184 EUR
A
Retailer 2
-
€212 EUR
View
Retailer 3
-
€227 EUR
View
Price last confirmed 13 days ago
A
Retailer 4
-
€227 EUR
View
A
Retailer 5
-
€383 EUR
View
B+
Retailer 6
-
€393 EUR
View
A
Retailer 7
-
€396 EUR
View
A
Retailer 8
-
€413 EUR
View
B+
Retailer 9
-
€645 EUR
View
B+
Retailer 10
-
€731 EUR
View
B
Retailer 11
-
€734 EUR
View
B
Retailer 12
-
€778 EUR
View
B
Retailer 13
-
€923 EUR
View
Most Expensive
B
MOH London
LG816613791 · Nov 5
€1,060 EUR
£932 GBP
View
13 more retailers have this diamond
Prices start from €184 EURSave up to €877 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
€184 EUR