Princess|Lab Grown|IGI

1.22ct E SI1 Princess Lab Grown Diamond

ID • E/SI1 • IGI LG523204811

Shape and cutting style on the report: Princess cut

Certificate IGI LG523204811

Diamond specifications and retailer prices

From $206 USD
As of October 28, 2026
Save $866 USD (81%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,072 USD at MOH London · As of October 25, 2026
View at MOH London

About this 1.22ct lab-grown princess diamond

This 1.22ct 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 LG523204811 or 523204811. Listed at 14 retailers as of October 25, 2026, with prices from $206 to $1,072, a $866 spread on the same certified stone. MOH London lists it at $1,072. 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

1.22
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.1°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG523204811
Dimensions5.78 × 5.75 × 4.22 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
5.78 mm5.75 mm1.22 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG523204811
Side View
Table 61.0%Crown 41.1°Girdle: MediumPavilion 38.3°Culet: NoneDepth 73.4%

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 28
Current: $1,072 USD|Low: $146 USD|High: $1,120 USD|Avg: $536 USD|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 9$206 USD
Retailer 8$229 USD
Retailer 10$310 USD
Retailer 7$408 USD
Retailer 3$414 USD
Retailer 4$423 USD
Retailer 6$578 USD
Retailer 5$665 USD
Retailer 2$760 USD
MOH London$1,072 USD

41 data points across 10 retailers

14 retailers$206 USD to $1,072 USD

Retailer 1
-
$185 USD
Price last confirmed 38 days ago
A
Retailer 2
-
$206 USD
View
Final sale: no returns
Retailer 3
-
$214 USD
View
Price last confirmed 37 days ago
Retailer 4
-
$226 USD
View
Price last confirmed 35 days ago
B+
Retailer 5
-
$310 USD
View
B+
Retailer 6
-
$408 USD
View
B+
Retailer 7
-
$414 USD
£326 GBP
View
B+
Retailer 8
-
$423 USD
€403 EUR
View
B+
Retailer 9
-
$578 USD
View
Retailer 10
-
$665 USD
View
Price last confirmed 12 days ago
B
Retailer 11
-
$750 USD
SGD 1,013 SGD
View
B
Retailer 12
-
$760 USD
View
B
Retailer 13
-
$790 USD
View
Most Expensive
B
MOH London
LG523204811 · Oct 25
$1,072 USD
£844 GBP
View
13 more retailers have this diamond
Prices start from $206 USDSave up to $866 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
1.22ct Princess
$206 USD