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Radiant|Lab Grown|IGI

1.05ct E SI1 Radiant Lab Grown Diamond

GD • E/SI1 • IGI LG597376840

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

Certificate IGI LG597376840

Diamond specifications and retailer prices

From $366 CAD
£206 GBP
As of October 30, 2026
Save $1,469 CAD (80%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,834 CAD 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 LG597376840 or 597376840. Listed at 12 retailers as of October 26, 2026, with prices from $366 to $1,834, a $1,469 spread on the same certified stone. MOH London lists it at $1,834. 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
Color
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.6°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG597376840
Dimensions7.33 × 5.03 × 3.38 mm
L/W Ratio1.46
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
7.33 mm5.03 mm1.05 ctE / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG597376840
Side View
Table 64.0%Crown 43.6°Girdle: MediumPavilion 35.4°Culet: NoneDepth 67.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $1,834 CAD|Low: $199 CAD|High: $1,854 CAD|Avg: $624 CAD|+0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 9$199 CAD
Retailer 2$366 CAD
Retailer 4$417 CAD
Retailer 7$418 CAD
Retailer 11$423 CAD
Retailer 6$431 CAD
Retailer 3$633 CAD
Retailer 10$673 CAD
Retailer 5$745 CAD
Retailer 8$826 CAD
MOH London$1,834 CAD

35 data points across 11 retailers

12 retailers$366 CAD to $1,834 CAD

Retailer 1
-
$206 CAD
$147 USD
Price last confirmed 32 days ago
Retailer 2
-
$217 CAD
$155 USD
View
Price last confirmed 32 days ago
B+
Retailer 3
-
$366 CAD
£206 GBP
View
B+
Retailer 4
-
$417 CAD
£235 GBP
View
B
Retailer 5
-
$418 CAD
$299 USD
View
B+
Retailer 6
-
$423 CAD
$302 USD
View
B+
Retailer 7
-
$431 CAD
€293 EUR
View
B+
Retailer 8
-
$673 CAD
$481 USD
View
B
Retailer 9
-
$745 CAD
$532 USD
View
B
Retailer 10
-
$803 CAD
£452 GBP
View
B
Retailer 11
-
$826 CAD
$590 USD
View
Most Expensive
B
MOH London
LG597376840 · Oct 26
$1,834 CAD
£1,032 GBP
View
11 more retailers have this diamond
Prices start from $366 CADSave up to $1,469 CAD

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.

B+
1.05ct Radiant
$366 CAD