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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 $247 USD
As of October 25, 2026
Save $915 USD (79%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $1,162 USD 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 $247 to $1,162, a $915 spread on the same certified stone. MOH London lists it at $1,162. 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
Color
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

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 25
Current: $1,162 USD|Low: $247 USD|High: $1,170 USD|Avg: $584 USD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 29, 2026
Retailer 4$247 USD
Retailer 6$281 USD
Retailer 3$428 USD
Retailer 2$453 USD
Retailer 5$537 USD
Retailer 7$993 USD
MOH London$1,162 USD

41 data points across 7 retailers

4 retailers$247 USD to $1,162 USD

A
Cheapest Retailer
-
$247 USD
B
Retailer 2
-
$428 USD
View
B
Retailer 3
-
$453 USD
£357 GBP
View
Most Expensive
B
MOH London
LG571304399 · Oct 29
$1,162 USD
£915 GBP
View
3 more retailers have this diamond
Prices start from $247 USDSave up to $915 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 Cushion
$247 USD