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Princess|Lab Grown|IGI

1.81ct E SI1 Princess Lab Grown Diamond

ID • E/SI1 • IGI LG512221693

Shape and cutting style on the report: Princess cut

Certificate IGI LG512221693

Diamond specifications and retailer prices

From $305 SGD
$238 USD
As of October 25, 2026
Save $1,129 SGD (79%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,434 SGD at MOH London · As of October 29, 2026
View at MOH London

About this 1.81ct lab-grown princess diamond

This 1.81ct lab-grown princess sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG512221693 or 512221693. Listed at 13 retailers as of October 25, 2026, with prices from $305 to $1,434, a $1,129 spread on the same certified stone. MOH London lists it at $1,434. 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

1.81
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.1°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG512221693
Dimensions6.60 × 6.53 × 4.73 mm
L/W Ratio1.01
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.60 mm6.53 mm1.81 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG512221693
Side View
Table 71.0%Crown 45.1°Girdle: MediumPavilion 38.2°Culet: NoneDepth 72.4%

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 25
Current: $1,434 SGD|Low: $236 SGD|High: $1,444 SGD|Avg: $746 SGD|-0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 8$236 SGD
Retailer 6$305 SGD
Retailer 7$305 SGD
Retailer 4$393 SGD
Retailer 9$534 SGD
Retailer 2$554 SGD
Retailer 10$787 SGD
Retailer 5$984 SGD
Retailer 11$1,050 SGD
Retailer 3$1,411 SGD
MOH London$1,434 SGD

43 data points across 11 retailers

13 retailers$305 SGD to $1,434 SGD

A
Retailer 1
-
$236 SGD
$184 USD
Price last confirmed 27 days ago
A
Retailer 2
-
$286 SGD
$223 USD
View
Price last confirmed 27 days ago
A
Retailer 3
-
$305 SGD
$238 USD
View
Price last confirmed 26 days ago
A
Retailer 4
-
$305 SGD
$238 USD
View
A
Retailer 5
-
$393 SGD
£241 GBP
View
B+
Retailer 6
-
$534 SGD
$417 USD
View
A
Retailer 7
-
$554 SGD
£340 GBP
View
B+
Retailer 8
-
$787 SGD
$614 USD
View
B+
Retailer 9
-
$981 SGD
$765 USD
View
Price last confirmed 25 days ago
B
Retailer 10
-
$984 SGD
$768 USD
View
B
Retailer 11
-
$1,050 SGD
$819 USD
View
B
Retailer 12
-
$1,411 SGD
HK$8,600 HKD
View
Most Expensive
B
MOH London
LG512221693 · Oct 29
$1,434 SGD
£881 GBP
View
12 more retailers have this diamond
Prices start from $305 SGDSave up to $1,129 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
1.81ct Princess
$305 SGD