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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 $350 USD
As of October 29, 2026
9 retailers carry this diamond
Most expensive: $1,453 USD 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 29, 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 29
Current: $1,453 USD|Low: $231 USD|High: $1,453 USD|Avg: $613 USD|+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$289 USD
Retailer 11$324 USD
Retailer 13$335 USD
Retailer 7$350 USD
Retailer 8$358 USD
Retailer 10$358 USD
Retailer 3$515 USD
Retailer 9$588 USD
Retailer 6$658 USD
Retailer 4$718 USD
Retailer 5$1,005 USD
Retailer 12$1,152 USD
MOH London$1,453 USD

14 data points across 13 retailers

9 retailers

Retailer 1
-
$289 USD
Price last confirmed 20 days ago
Retailer 2
-
$335 USD
View
Price last confirmed 25 days ago
A
Retailer 3
-
$350 USD
View
Retailer 4
-
$358 USD
View
Price last confirmed 22 days ago
Retailer 5
-
$358 USD
View
Price last confirmed 28 days ago
Retailer 6
-
$588 USD
View
Price last confirmed 19 days ago
Retailer 7
-
$1,005 USD
View
Price last confirmed 18 days ago
Retailer 8
-
$1,152 USD
View
Price last confirmed 30 days ago
Most Expensive
MOH London
LG492123218 · Oct 11
$1,453 USD
£1,144 GBP
View
Price last confirmed 20 days ago
8 more retailers have this diamond
Prices start from $350 USD

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
$350 USD