CaratHunter
Plans
Cushion|Lab Grown|IGI

0.54ct E SI1 Cushion Lab Grown Diamond

EX • E/SI1 • IGI LG571304399

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG571304399

Diamond specifications and retailer prices

From $352 AUD
$247 USD
As of October 25, 2026
Save $1,302 AUD (79%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $1,654 AUD at MOH London · As of October 29, 2026
View at MOH London

About this 0.54ct lab-grown cushion diamond

This 0.54ct lab-grown cushion sits in the half to three-quarter carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG571304399 or 571304399. Listed at 4 retailers as of October 25, 2026, with prices from $352 to $1,654, a $1,302 spread on the same certified stone. MOH London lists it at $1,654. 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
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle35°
Pavilion angle32.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG571304399
Dimensions5.19 × 4.32 × 2.88 mm
L/W Ratio1.20
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
5.19 mm4.32 mm0.54 ctE / SI1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG571304399
Side View
Table 64.5%Crown 35°Girdle: MED-STKPavilion 32.6°Culet: NoneDepth 66.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 25
Current: $1,654 AUD|Low: $352 AUD|High: $1,665 AUD|Avg: $831 AUD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 30, 2026
Retailer 4$352 AUD
Retailer 6$400 AUD
Retailer 3$609 AUD
Retailer 2$645 AUD
Retailer 5$764 AUD
Retailer 7$1,414 AUD
MOH London$1,654 AUD

42 data points across 7 retailers

4 retailers$352 AUD to $1,654 AUD

A
Cheapest Retailer
-
$352 AUD
$247 USD
B
Retailer 2
-
$609 AUD
$428 USD
View
B
Retailer 3
-
$645 AUD
£357 GBP
View
Most Expensive
B
MOH London
LG571304399 · Oct 29
$1,654 AUD
£915 GBP
View
3 more retailers have this diamond
Prices start from $352 AUDSave up to $1,302 AUD

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 Cushion
$352 AUD