Princess|Lab Grown|IGI

1.22ct I SI2 Princess Lab Grown Diamond

ID • I/SI2 • IGI LG497158310

Shape and cutting style on the report: Princess cut

Certificate IGI LG497158310

Diamond specifications and retailer prices

From $700 USD
As of October 31, 2026
Save $3,467 USD (83%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $4,167 USD at MOH London · As of November 1, 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG497158310 or 497158310. Listed at 11 retailers as of October 31, 2026, with prices from $700 to $4,167, a $3,467 spread on the same certified stone. MOH London lists it at $4,167. 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
I
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.8°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG497158310
Dimensions5.68 × 5.67 × 4.33 mm
L/W Ratio1.00
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
5.68 mm5.67 mm1.22 ctI / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG497158310
Side View
Table 68.0%Crown 40.8°Girdle: Slightly ThickPavilion 40.3°Culet: NoneDepth 76.4%

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: Oct 31
Current: $4,167 USD|Low: $700 USD|High: $4,223 USD|Avg: $1,768 USD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 5$700 USD
Retailer 6$1,059 USD
Retailer 11$1,152 USD
Retailer 12$1,186 USD
Retailer 7$1,229 USD
Retailer 10$1,229 USD
Retailer 4$1,760 USD
Retailer 2$1,901 USD
Retailer 8$1,957 USD
Retailer 9$2,303 USD
Retailer 3$2,568 USD
MOH London$4,167 USD

41 data points across 12 retailers

11 retailers$700 USD to $4,167 USD

A
Cheapest Retailer
-
$700 USD
B+
Retailer 2
-
$1,059 USD
View
B+
Retailer 3
-
$1,152 USD
View
B+
Retailer 4
-
$1,186 USD
View
Final sale: no returns
B+
Retailer 5
-
$1,229 USD
View
Retailer 6
-
$1,229 USD
View
Price last confirmed 19 days ago
B
Retailer 7
-
$1,901 USD
£1,496 GBP
View
B
Retailer 8
-
$1,957 USD
View
B
Retailer 9
-
$2,303 USD
View
B
Retailer 10
-
$2,568 USD
View
Most Expensive
B
MOH London
LG497158310 · Nov 1
$4,167 USD
£3,281 GBP
View
10 more retailers have this diamond
Prices start from $700 USDSave up to $3,467 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
$700 USD