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Cushion|Lab Grown|IGI

0.55ct G SI1 Cushion Lab Grown Diamond

ID • G/SI1 • IGI LG578315825

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG578315825

Diamond specifications and retailer prices

From $194 SGD
$152 USD
As of November 1, 2026
Save $859 SGD (82%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,054 SGD at MOH London · As of October 26, 2026
View at MOH London

About this 0.55ct lab-grown cushion diamond

This 0.55ct lab-grown cushion sits in the half to three-quarter carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG578315825 or 578315825. Listed at 10 retailers as of October 26, 2026, with prices from $194 to $1,054, a $859 spread on the same certified stone. MOH London lists it at $1,054. 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

0.55
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG578315825
Dimensions4.96 × 4.73 × 3.03 mm
L/W Ratio1.05
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
4.96 mm4.73 mm0.55 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG578315825
Side View
Table 62.0%Crown 34.3°Girdle: MED-STKPavilion 39.2°Culet: NoneDepth 64.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $1,054 SGD|Low: $152 SGD|High: $1,065 SGD|Avg: $423 SGD|+0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 7$152 SGD
Retailer 6$194 SGD
Retailer 2$266 SGD
Retailer 3$272 SGD
Retailer 4$345 SGD
Retailer 5$346 SGD
Retailer 8$489 SGD
Retailer 9$538 SGD
MOH London$1,054 SGD

44 data points across 9 retailers

10 retailers$194 SGD to $1,054 SGD

Retailer 1
-
$152 SGD
$119 USD
Price last confirmed 8 days ago
B+
Retailer 2
-
$194 SGD
$152 USD
View
A
Retailer 3
-
$266 SGD
£164 GBP
View
A
Retailer 4
-
$272 SGD
€203 EUR
View
A
Retailer 5
-
$345 SGD
$270 USD
View
A
Retailer 6
-
$346 SGD
£213 GBP
View
B+
Retailer 7
-
$455 SGD
£280 GBP
View
Retailer 8
-
$489 SGD
View
Price last confirmed 21 days ago
B+
Retailer 9
-
$538 SGD
$421 USD
View
Most Expensive
B
MOH London
LG578315825 · Oct 26
$1,054 SGD
£649 GBP
View
9 more retailers have this diamond
Prices start from $194 SGDSave up to $859 SGD

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
0.55ct Cushion
$194 SGD