CaratHunter
Plans
Princess|Lab Grown|IGI

1.05ct E SI1 Princess Lab Grown Diamond

EX • E/SI1 • IGI LG844613419

Shape and cutting style on the report: Princess cut

Certificate IGI LG844613419

Diamond specifications and retailer prices

From $234 AUD
As of November 5, 2026
Save $609 AUD (72%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $843 AUD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 1.05ct lab-grown princess diamond

This 1.05ct 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 LG844613419 or 844613419. Listed at 3 retailers as of November 2, 2026, with prices from $234 to $843, a $609 spread on the same certified stone. Brilliant Earth lists it at $843. 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

1.05
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.7°
Pavilion angle37.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844613419
Dimensions5.57 × 5.54 × 3.82 mm
L/W Ratio1.01
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.57 mm5.54 mm1.05 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG844613419
Side View
Table 67.0%Crown 41.7°Girdle: MediumPavilion 37.7°Culet: NoneDepth 69.0%

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 5
Current: $843 AUD|Low: $234 AUD|High: $857 AUD|Avg: $545 AUD
Brilliant Earth
Retailer 2
Retailer 3
November 3, 2026
Retailer 3$234 AUD
Retailer 2$469 AUD
Brilliant Earth$843 AUD

22 data points across 3 retailers

3 retailers$234 AUD to $843 AUD

A
Cheapest Retailer
-
$234 AUD
Final sale: no returns
B+
Retailer 2
-
$469 AUD
View
Most Expensive
B
Brilliant Earth
21815535A · Nov 2
$843 AUD
$590 USD
View
2 more retailers have this diamond
Prices start from $234 AUDSave up to $609 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
1.05ct Princess
$234 AUD