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Princess|Lab Grown|IGI

1.23ct E SI1 Princess Lab Grown Diamond

ID • E/SI1 • IGI LG555291418

Shape and cutting style on the report: Princess cut

Certificate IGI LG555291418

Diamond specifications and retailer prices

From $202 SGD
$158 USD
As of October 30, 2026
Save $975 SGD (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,177 SGD at MOH London · As of October 29, 2026
View at MOH London

About this 1.23ct lab-grown princess diamond

This 1.23ct lab-grown princess sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG555291418 or 555291418. Listed at 16 retailers as of October 29, 2026, with prices from $202 to $1,177, a $975 spread on the same certified stone. MOH London lists it at $1,177. 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

1.23
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG555291418
Dimensions5.82 × 5.68 × 4.16 mm
L/W Ratio1.02
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
5.82 mm5.68 mm1.23 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG555291418
Side View
Table 71.0%Crown 46°Girdle: MediumPavilion 39.1°Culet: NoneDepth 73.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $1,177 SGD|Low: $185 SGD|High: $1,381 SGD|Avg: $548 SGD|+5.4%
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
Retailer 14
Retailer 15
Retailer 16
October 30, 2026
Retailer 5$202 SGD
Retailer 3$234 SGD
Retailer 13$251 SGD
Retailer 14$251 SGD
Retailer 9$326 SGD
Retailer 7$339 SGD
Retailer 11$432 SGD
Retailer 10$440 SGD
Retailer 12$488 SGD
Retailer 16$516 SGD
Retailer 4$667 SGD
Retailer 15$805 SGD
Retailer 6$850 SGD
Retailer 2$972 SGD
Retailer 8$973 SGD
MOH London$1,177 SGD

44 data points across 16 retailers

16 retailers$202 SGD to $1,177 SGD

A
Cheapest Retailer
-
$202 SGD
$158 USD
A
Retailer 2
-
$234 SGD
$183 USD
View
A
Retailer 3
-
$251 SGD
$196 USD
View
A
Retailer 4
-
$251 SGD
$196 USD
View
A
Retailer 5
-
$326 SGD
£201 GBP
View
B+
Retailer 6
-
$339 SGD
$265 USD
View
A
Retailer 7
-
$432 SGD
€322 EUR
View
B+
Retailer 8
-
$440 SGD
£271 GBP
View
B+
Retailer 9
-
$488 SGD
£301 GBP
View
B+
Retailer 10
-
$516 SGD
$404 USD
View
B+
Retailer 11
-
$667 SGD
$522 USD
View
B
Retailer 12
-
$805 SGD
$630 USD
View
B
Retailer 13
-
$850 SGD
$665 USD
View
B
Retailer 14
-
$972 SGD
$760 USD
View
Retailer 15
-
$973 SGD
View
Price last confirmed 19 days ago
Most Expensive
B
MOH London
LG555291418 · Oct 29
$1,177 SGD
£725 GBP
View
15 more retailers have this diamond
Prices start from $202 SGDSave up to $975 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
1.23ct Princess
$202 SGD