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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 $294 AUD
As of November 4, 2026
Save $991 AUD (77%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,531 AUD 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 16 retailers as of November 4, 2026, with a 337% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $1,531 AUD|Low: $294 AUD|High: $1,600 AUD|Avg: $761 AUD|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 9$294 AUD
Retailer 8$327 AUD
Retailer 10$443 AUD
Retailer 7$583 AUD
Retailer 2$586 AUD
Retailer 5$604 AUD
Retailer 6$950 AUD
Retailer 4$1,110 AUD
Retailer 3$1,286 AUD
MOH London$1,531 AUD

44 data points across 10 retailers

16 retailers$294 AUD to $1,286 AUD

Retailer 1
-
$264 AUD
Price last confirmed 45 days ago
A
Retailer 2
-
$294 AUD
View
Final sale: no returns
Retailer 3
-
$306 AUD
View
Price last confirmed 44 days ago
Retailer 4
-
$323 AUD
View
Price last confirmed 42 days ago
B+
Retailer 5
-
$443 AUD
View
B+
Retailer 6
-
$583 AUD
View
B+
Retailer 7
-
$586 AUD
View
Retailer 8
-
$604 AUD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
$834 AUD
View
Retailer 10
-
$950 AUD
View
Price last confirmed 19 days ago
B
Retailer 11
-
$1,070 AUD
View
B
Retailer 12
-
$1,086 AUD
View
B
Retailer 13
-
$1,110 AUD
View
B
Retailer 14
-
$1,127 AUD
View
B
Retailer 15
-
$1,286 AUD
View
Most Expensive
MOH London
LG523204811 · Oct 25
$1,531 AUD
£844 GBP
View
Price last confirmed 11 days ago
15 more retailers have this diamond
Prices start from $294 AUDSave up to $991 AUD

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
$294 AUD