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Round|Lab Grown|IGI

1.54ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG621455497

Shape and cutting style on the report: Round brilliant

Certificate IGI LG621455497

Diamond specifications and retailer prices

From €192 EUR
As of November 3, 2026
Save €759 EUR (80%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €950 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG621455497 or 621455497. Listed at 14 retailers as of November 3, 2026, with prices from €192 to €950, a €759 spread on the same certified stone. MOH London lists it at €950. 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
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG621455497
Dimensions7.48 × 7.42 × 4.52 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.48 mm7.42 mm1.54 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG621455497
Side View
Table 58.0%Crown 34°Girdle: MediumPavilion 40.7°Culet: NoneDepth 60.7%

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 3
Current: €950 EUR|Low: €166 EUR|High: €971 EUR|Avg: €476 EUR|-2.1%
MOH London
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
November 5, 2026
Retailer 12€192 EUR
Retailer 10€223 EUR
Retailer 9€238 EUR
Retailer 15€238 EUR
Retailer 8€369 EUR
Retailer 4€394 EUR
Retailer 5€407 EUR
Retailer 14€412 EUR
Retailer 2€435 EUR
Retailer 3€532 EUR
Retailer 13€764 EUR
Retailer 11€767 EUR
Retailer 7€793 EUR
Retailer 6€837 EUR
MOH London€950 EUR

38 data points across 15 retailers

14 retailers€192 EUR to €950 EUR

A
Cheapest Retailer
-
€192 EUR
A
Retailer 2
-
€223 EUR
View
A
Retailer 3
-
€238 EUR
View
Retailer 4
-
€238 EUR
View
Price last confirmed 12 days ago
A
Retailer 5
-
€369 EUR
View
A
Retailer 6
-
€394 EUR
View
B+
Retailer 7
-
€407 EUR
View
B+
Retailer 8
-
€435 EUR
View
B+
Retailer 9
-
€532 EUR
View
B
Retailer 10
-
€764 EUR
View
B
Retailer 11
-
€767 EUR
View
B
Retailer 12
-
€793 EUR
View
B
Retailer 13
-
€837 EUR
View
Most Expensive
B
MOH London
LG621455497 · Nov 5
€950 EUR
£840 GBP
View
13 more retailers have this diamond
Prices start from €192 EURSave up to €759 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
€192 EUR