Princess|Lab Grown|IGI

1.01ct E SI1 Princess Lab Grown Diamond

ID • E/SI1 • IGI LG660442955

Shape and cutting style on the report: Princess cut

Certificate IGI LG660442955

Diamond specifications and retailer prices

From $225 USD
As of October 29, 2026
Save $703 USD (76%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $928 USD at MOH London · As of October 29, 2026
View at MOH London

About this 1.01ct lab-grown princess diamond

This 1.01ct 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 LG660442955 or 660442955. Listed at 7 retailers as of October 29, 2026, with prices from $225 to $928, a $703 spread on the same certified stone. MOH London lists it at $928. 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

1.01
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.3°
Pavilion angle38.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG660442955
Dimensions5.57 × 5.38 × 3.94 mm
L/W Ratio1.04
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.57 mm5.38 mm1.01 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG660442955
Side View
Table 66.0%Crown 39.3°Girdle: MediumPavilion 38.7°Culet: NoneDepth 73.2%

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 29
Current: $928 USD|Low: $225 USD|High: $933 USD|Avg: $430 USD|+0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 30, 2026
Retailer 7$225 USD
Retailer 5$331 USD
Retailer 2$347 USD
Retailer 3$375 USD
Retailer 6$423 USD
Retailer 4$440 USD
MOH London$928 USD

41 data points across 7 retailers

7 retailers$225 USD to $928 USD

A
Cheapest Retailer
-
$225 USD
B+
Retailer 2
-
$331 USD
View
B+
Retailer 3
-
$347 USD
£273 GBP
View
B+
Retailer 4
-
$375 USD
£295 GBP
View
B+
Retailer 5
-
$423 USD
View
B+
Retailer 6
-
$440 USD
View
Most Expensive
B
MOH London
LG660442955 · Oct 29
$928 USD
£731 GBP
View
6 more retailers have this diamond
Prices start from $225 USDSave up to $703 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
1.01ct Princess
$225 USD