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Radiant|Lab Grown|IGI

1.05ct E SI1 Radiant Lab Grown Diamond

ID • E/SI1 • IGI LG662486441

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

Certificate IGI LG662486441

Diamond specifications and retailer prices

From $191 AUD
$134 USD
As of October 28, 2026
Save $1,519 AUD (89%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,710 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 LG662486441 or 662486441. Listed at 12 retailers as of October 28, 2026, with prices from $191 to $1,710, a $1,519 spread on the same certified stone. MOH London lists it at $1,710. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44°
Pavilion angle34.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG662486441
Dimensions7.35 × 4.98 × 3.24 mm
L/W Ratio1.48
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.35 mm4.98 mm1.05 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG662486441
Side View
Table 67.0%Crown 44°Girdle: STK-THKPavilion 34.1°Culet: NoneDepth 65.1%

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: Oct 28
Current: $1,710 AUD|Low: $191 AUD|High: $1,710 AUD|Avg: $568 AUD
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
Retailer 14
Retailer 15
October 29, 2026
Retailer 3$191 AUD
Retailer 8$216 AUD
Retailer 15$237 AUD
Retailer 9$266 AUD
Retailer 4$362 AUD
Retailer 14$387 AUD
Retailer 13$397 AUD
Retailer 2$414 AUD
Retailer 12$424 AUD
Retailer 10$559 AUD
Retailer 11$655 AUD
Retailer 6$734 AUD
Retailer 5$903 AUD
Retailer 7$1,466 AUD
MOH London$1,710 AUD

2 data points across 15 retailers

12 retailers$191 AUD to $1,710 AUD

A
Cheapest Retailer
-
$191 AUD
$134 USD
A
Retailer 2
-
$216 AUD
$152 USD
View
A
Retailer 3
-
$237 AUD
HK$1,300 HKD
View
A
Retailer 4
-
$266 AUD
£147 GBP
View
A
Retailer 5
-
$387 AUD
£214 GBP
View
B+
Retailer 6
-
$397 AUD
$279 USD
View
A
Retailer 7
-
$414 AUD
£229 GBP
View
A
Retailer 8
-
$424 AUD
$298 USD
View
B+
Retailer 9
-
$559 AUD
$393 USD
View
B+
Retailer 10
-
$655 AUD
$460 USD
View
B+
Retailer 11
-
$809 AUD
£448 GBP
View
Most Expensive
B
MOH London
LG662486441 · Oct 29
$1,710 AUD
£946 GBP
View
11 more retailers have this diamond
Prices start from $191 AUDSave up to $1,519 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
$191 AUD