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Radiant|Lab Grown|IGI

1.00ct E SI1 Radiant Lab Grown Diamond

ID • E/SI1 • IGI LG826692423

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

Certificate IGI LG826692423

Diamond specifications and retailer prices

From $192 AUD
As of November 6, 2026
Save $1,795 AUD (90%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,987 AUD at MOH London · As of November 5, 2026
View at MOH London

About this 1ct lab-grown radiant diamond

This 1ct 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 LG826692423 or 826692423. Listed at 9 retailers as of November 5, 2026, with prices from $192 to $1,987, a $1,795 spread on the same certified stone. MOH London lists it at $1,987. 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
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.4°
Pavilion angle34.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG826692423
Dimensions7.08 × 4.98 × 3.28 mm
L/W Ratio1.42
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.08 mm4.98 mm1.00 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG826692423
Side View
Table 65.0%Crown 41.4°Girdle: MediumPavilion 34.9°Culet: NoneDepth 65.9%

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: Nov 6
Current: $1,987 AUD|Low: $189 AUD|High: $2,063 AUD|Avg: $782 AUD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 3$192 AUD
Retailer 6$223 AUD
Retailer 2$307 AUD
Retailer 7$431 AUD
Retailer 4$767 AUD
Retailer 8$800 AUD
Retailer 5$811 AUD
Retailer 9$824 AUD
MOH London$1,987 AUD

28 data points across 9 retailers

9 retailers$192 AUD to $1,987 AUD

A
Cheapest Retailer
-
$192 AUD
A
Retailer 2
-
$223 AUD
View
A
Retailer 3
-
$307 AUD
View
A
Retailer 4
-
$431 AUD
View
B+
Retailer 5
-
$767 AUD
View
B+
Retailer 6
-
$800 AUD
View
B+
Retailer 7
-
$811 AUD
View
Retailer 8
-
$824 AUD
View
Price last confirmed 26 days ago
Most Expensive
B
MOH London
LG826692423 · Nov 5
$1,987 AUD
£1,075 GBP
View
8 more retailers have this diamond
Prices start from $192 AUDSave up to $1,795 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
1.00ct Radiant
$192 AUD