Princess|Lab Grown|IGI

1.00ct E SI1 Princess Lab Grown Diamond

ID • E/SI1 • IGI LG795629879

Shape and cutting style on the report: Princess cut

Certificate IGI LG795629879

Diamond specifications and retailer prices

From $308 USD
€293 EUR
As of October 29, 2026
Save $542 USD (64%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $850 USD at MOH London · As of October 29, 2026
View at MOH London

About this 1ct lab-grown princess diamond

This 1ct 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 LG795629879 or 795629879. Listed at 3 retailers as of October 29, 2026, with prices from $308 to $850, a $542 spread on the same certified stone. MOH London lists it at $850. 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

1.00
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.3°
Pavilion angle37.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG795629879
Dimensions5.39 × 5.27 × 3.84 mm
L/W Ratio1.02
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.39 mm5.27 mm1.00 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG795629879
Side View
Table 65.0%Crown 42.3°Girdle: Slightly ThickPavilion 37.3°CuletDepth 72.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 29
Current: $850 USD|Low: $302 USD|High: $872 USD|Avg: $498 USD|+2.5%
MOH London
Retailer 2
Retailer 3
October 29, 2026
Retailer 2$308 USD
Retailer 3$335 USD
MOH London$850 USD

18 data points across 3 retailers

3 retailers$308 USD to $850 USD

B+
Cheapest Retailer
-
$308 USD
€293 EUR
B+
Retailer 2
-
$335 USD
View
Most Expensive
B
MOH London
LG795629879 · Oct 29
$850 USD
£669 GBP
View
2 more retailers have this diamond
Prices start from $308 USDSave up to $542 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.

B+
1.00ct Princess
$308 USD