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Princess|Lab Grown|IGI

1.35ct G SI1 Princess Lab Grown Diamond

ID • G/SI1 • IGI LG537213145

Shape and cutting style on the report: Princess cut

Certificate IGI LG537213145

Diamond specifications and retailer prices

From $263 USD
As of October 30, 2026
Save $1,043 USD (80%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,306 USD at MOH London · As of November 1, 2026
View at MOH London

About this 1.35ct lab-grown princess diamond

This 1.35ct lab-grown princess sits in the one-and-a-quarter to one-and-a-half carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG537213145 or 537213145. Listed at 13 retailers as of October 30, 2026, with prices from $263 to $1,306, a $1,043 spread on the same certified stone. MOH London lists it at $1,306. 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

1.35
Carat
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.9°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG537213145
Dimensions6.09 × 6.02 × 4.38 mm
L/W Ratio1.01
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
6.09 mm6.02 mm1.35 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG537213145
Side View
Table 72.0%Crown 38.9°Girdle: MediumPavilion 39.5°Culet: NoneDepth 72.8%

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 30
Current: $1,306 USD|Low: $252 USD|High: $1,370 USD|Avg: $648 USD|-1.1%
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 8$263 USD
Retailer 4$305 USD
Retailer 9$326 USD
Retailer 12$326 USD
Retailer 6$485 USD
Retailer 10$542 USD
Retailer 3$582 USD
Retailer 2$623 USD
Retailer 5$860 USD
Retailer 7$1,001 USD
Retailer 11$1,047 USD
MOH London$1,306 USD

43 data points across 12 retailers

13 retailers$263 USD to $1,306 USD

A
Cheapest Retailer
-
$263 USD
A
Retailer 2
-
$305 USD
View
A
Retailer 3
-
$326 USD
View
Retailer 4
-
$326 USD
View
Price last confirmed 7 days ago
B+
Retailer 5
-
$485 USD
View
B+
Retailer 6
-
$542 USD
View
B+
Retailer 7
-
$582 USD
View
B+
Retailer 8
-
$623 USD
£491 GBP
View
B
Retailer 9
-
$653 USD
HK$5,100 HKD
View
B
Retailer 10
-
$860 USD
View
B
Retailer 11
-
$1,001 USD
View
B
Retailer 12
-
$1,047 USD
View
Most Expensive
B
MOH London
LG537213145 · Nov 1
$1,306 USD
£1,028 GBP
View
12 more retailers have this diamond
Prices start from $263 USDSave up to $1,043 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
1.35ct Princess
$263 USD