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Radiant|Lab Grown|IGI

1.05ct E SI1 Radiant Lab Grown Diamond

GD • E/SI1 • IGI LG831615708

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

Certificate IGI LG831615708

Diamond specifications and retailer prices

From $201 AUD
$141 USD
As of October 27, 2026
Save $962 AUD (83%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,162 AUD at MOH London · As of October 26, 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 standard cut grade and certified by IGI LG831615708 or 831615708. Listed at 9 retailers as of October 26, 2026, with prices from $201 to $1,162, a $962 spread on the same certified stone. MOH London lists it at $1,162. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.05
Carat
E
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.4°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831615708
Dimensions7.28 × 4.99 × 3.34 mm
L/W Ratio1.46
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.28 mm4.99 mm1.05 ctE / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831615708
Side View
Table 62.0%Crown 43.4°Girdle: MediumPavilion 35°Culet: NoneDepth 66.9%

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 27
Current: $1,162 AUD|Low: $192 AUD|High: $2,025 AUD|Avg: $654 AUD|-42.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 26, 2026
Retailer 5$201 AUD
Retailer 8$232 AUD
Retailer 3$323 AUD
Retailer 2$439 AUD
Retailer 9$706 AUD
Retailer 6$797 AUD
Retailer 7$842 AUD
Retailer 4$843 AUD
MOH London$1,162 AUD

25 data points across 9 retailers

9 retailers$201 AUD to $1,162 AUD

A
Cheapest Retailer
-
$201 AUD
$141 USD
B+
Retailer 2
-
$232 AUD
$163 USD
View
Retailer 3
-
$323 AUD
£179 GBP
View
Price last confirmed 13 days ago
B+
Retailer 4
-
$439 AUD
€294 EUR
View
B
Retailer 5
-
$706 AUD
$496 USD
View
B
Retailer 6
-
$797 AUD
$560 USD
View
Retailer 7
-
$842 AUD
SGD 799 SGD
View
Price last confirmed 17 days ago
B
Retailer 8
-
$843 AUD
$592 USD
View
Most Expensive
B
MOH London
LG831615708 · Oct 26
$1,162 AUD
£643 GBP
View
8 more retailers have this diamond
Prices start from $201 AUDSave up to $962 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
$201 AUD