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Radiant|Lab Grown|IGI

1.02ct E SI1 Radiant Lab Grown Diamond

ID • E/SI1 • IGI LG617436553

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

Certificate IGI LG617436553

Diamond specifications and retailer prices

From $180 AUD
As of November 4, 2026
Save $1,683 AUD (90%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,863 AUD at MOH London · As of November 1, 2026
View at MOH London

About this 1.02ct lab-grown radiant diamond

This 1.02ct 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 LG617436553 or 617436553. Listed at 16 retailers as of November 1, 2026, with prices from $180 to $1,863, a $1,683 spread on the same certified stone. MOH London lists it at $1,863. 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

1.02
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.9°
Pavilion angle34.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG617436553
Dimensions7.32 × 4.87 × 3.26 mm
L/W Ratio1.50
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.32 mm4.87 mm1.02 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG617436553
Side View
Table 66.0%Crown 46.9°Girdle: MED-STKPavilion 34.3°Culet: NoneDepth 66.9%

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 4
Current: $1,863 AUD|Low: $180 AUD|High: $1,885 AUD|Avg: $622 AUD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 5, 2026
Retailer 6$180 AUD
Retailer 10$237 AUD
Retailer 12$290 AUD
Retailer 5$419 AUD
Retailer 8$419 AUD
Retailer 9$424 AUD
Retailer 13$429 AUD
Retailer 2$458 AUD
Retailer 4$693 AUD
Retailer 7$718 AUD
Retailer 11$800 AUD
Retailer 3$830 AUD
MOH London$1,863 AUD

35 data points across 13 retailers

16 retailers$180 AUD to $1,863 AUD

A
Cheapest Retailer
-
$180 AUD
Retailer 2
-
$208 AUD
View
Price last confirmed 41 days ago
Retailer 3
-
$236 AUD
View
Price last confirmed 41 days ago
Retailer 4
-
$237 AUD
View
Price last confirmed 13 days ago
Retailer 5
-
$237 AUD
View
Price last confirmed 26 days ago
A
Retailer 6
-
$419 AUD
View
A
Retailer 7
-
$419 AUD
View
A
Retailer 8
-
$424 AUD
View
B+
Retailer 9
-
$429 AUD
View
A
Retailer 10
-
$458 AUD
View
B+
Retailer 11
-
$693 AUD
View
B+
Retailer 12
-
$718 AUD
View
B+
Retailer 13
-
$800 AUD
View
B+
Retailer 14
-
$815 AUD
View
B+
Retailer 15
-
$830 AUD
View
Most Expensive
B
MOH London
LG617436553 · Nov 1
$1,863 AUD
£1,008 GBP
View
15 more retailers have this diamond
Prices start from $180 AUDSave up to $1,683 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
1.02ct Radiant
$180 AUD