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Round|Lab Grown|IGI

0.54ct I SI1 Round Lab Grown Diamond

EX • I/SI1 • IGI LG492123218

Shape and cutting style on the report: Round brilliant

Certificate IGI LG492123218

Diamond specifications and retailer prices

From €313 EUR
$350 USD
As of October 31, 2026
9 retailers carry this diamond
Most expensive: €1,300 EUR at MOH London · As of October 11, 2026
View at MOH London

About this 0.54ct lab-grown round diamond

This 0.54ct lab-grown round sits in the half to three-quarter carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG492123218 or 492123218. Listed at 9 retailers as of October 31, 2026. 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

0.54
Carat
I
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34.1°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG492123218
Dimensions5.24 × 5.26 × 3.20 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
5.24 mm5.26 mm0.54 ctI / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG492123218
Side View
Table 56.5%Crown 34.1°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 61.0%

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: Oct 31
Current: €1,300 EUR|Low: €207 EUR|High: €1,300 EUR|Avg: €549 EUR|+1.2%
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
October 11, 2026
Retailer 2€259 EUR
Retailer 11€290 EUR
Retailer 13€300 EUR
Retailer 7€313 EUR
Retailer 8€320 EUR
Retailer 10€320 EUR
Retailer 3€461 EUR
Retailer 9€526 EUR
Retailer 6€589 EUR
Retailer 4€643 EUR
Retailer 5€900 EUR
Retailer 12€1,031 EUR
MOH London€1,300 EUR

14 data points across 13 retailers

9 retailers

Retailer 1
-
€259 EUR
$289 USD
Price last confirmed 21 days ago
Retailer 2
-
€300 EUR
$335 USD
View
Price last confirmed 26 days ago
A
Retailer 3
-
€313 EUR
$350 USD
View
Retailer 4
-
€320 EUR
$358 USD
View
Price last confirmed 23 days ago
Retailer 5
-
€320 EUR
$358 USD
View
Price last confirmed 29 days ago
Retailer 6
-
€526 EUR
$588 USD
View
Price last confirmed 21 days ago
Retailer 7
-
€900 EUR
$1,005 USD
View
Price last confirmed 19 days ago
Retailer 8
-
€1,031 EUR
$1,152 USD
View
Price last confirmed 31 days ago
Most Expensive
MOH London
LG492123218 · Oct 11
€1,300 EUR
£1,144 GBP
View
Price last confirmed 21 days ago
8 more retailers have this diamond
Prices start from €313 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
0.54ct Round
€313 EUR