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Radiant|Lab Grown|IGI

1.05ct E SI1 Radiant Lab Grown Diamond

EX • E/SI1 • IGI LG593372653

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG593372653

Diamond specifications and retailer prices

From $346 AUD
$243 USD
As of October 29, 2026
Save $1,109 AUD (76%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,455 AUD at MOH London · As of October 29, 2026
View at MOH London

About this 1.05ct lab-grown radiant diamond

This 1.05ct lab-grown radiant 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 LG593372653 or 593372653. Listed at 6 retailers as of October 29, 2026, with prices from $346 to $1,455, a $1,109 spread on the same certified stone. MOH London lists it at $1,455. 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 angle45°
Pavilion angle34.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG593372653
Dimensions7.08 × 4.99 × 3.39 mm
L/W Ratio1.42
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment.
Top View
7.08 mm4.99 mm1.05 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG593372653
Side View
Table 65.0%Crown 45°Girdle: Slightly ThickPavilion 34.6°Culet: NoneDepth 67.9%

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 29
Current: $1,455 AUD|Low: $346 AUD|High: $1,466 AUD|Avg: $648 AUD|-0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 29, 2026
Retailer 5$346 AUD
Retailer 3$508 AUD
Retailer 2$553 AUD
Retailer 6$620 AUD
Retailer 4$628 AUD
MOH London$1,455 AUD

40 data points across 6 retailers

6 retailers$346 AUD to $1,455 AUD

A
Cheapest Retailer
-
$346 AUD
$243 USD
A
Retailer 2
-
$508 AUD
$357 USD
View
A
Retailer 3
-
$553 AUD
£306 GBP
View
Retailer 4
-
$620 AUD
$435 USD
View
Price last confirmed 70 days ago
B+
Retailer 5
-
$628 AUD
$441 USD
View
Most Expensive
B
MOH London
LG593372653 · Oct 29
$1,455 AUD
£805 GBP
View
5 more retailers have this diamond
Prices start from $346 AUDSave up to $1,109 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 Radiant
$346 AUD