Round|Lab Grown|IGI

1.05ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG600367389

Shape and cutting style on the report: Round brilliant

Certificate IGI LG600367389

Diamond specifications and retailer prices

From $210 AUD
As of November 5, 2026
Save $1,002 AUD (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,212 AUD at MOH London · As of November 4, 2026
View at MOH London

About this 1.05ct lab-grown round diamond

This 1.05ct lab-grown round 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 LG600367389 or 600367389. Listed at 14 retailers as of November 4, 2026, with prices from $210 to $1,212, a $1,002 spread on the same certified stone. MOH London lists it at $1,212. 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 angle33.2°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG600367389
Dimensions6.61 × 6.58 × 3.97 mm
L/W Ratio1.00
Girdle conditionFaceted
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
6.61 mm6.58 mm1.05 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG600367389
Side View
Table 59.0%Crown 33.2°Girdle: MediumPavilion 41.1°Culet: NoneDepth 60.3%

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 5
Current: $1,212 AUD|Low: $210 AUD|High: $1,364 AUD|Avg: $594 AUD|-11.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 3$210 AUD
Retailer 12$243 AUD
Retailer 11$260 AUD
Retailer 9$416 AUD
Retailer 2$440 AUD
Retailer 7$479 AUD
Retailer 5$501 AUD
Retailer 4$571 AUD
Retailer 6$719 AUD
Retailer 10$834 AUD
Retailer 8$881 AUD
MOH London$1,212 AUD

44 data points across 12 retailers

14 retailers$210 AUD to $1,212 AUD

A
Cheapest Retailer
-
$210 AUD
A
Retailer 2
-
$243 AUD
View
A
Retailer 3
-
$260 AUD
View
A
Retailer 4
-
$260 AUD
View
Final sale: no returns
Retailer 5
-
$289 AUD
View
Price last confirmed 12 days ago
A
Retailer 6
-
$416 AUD
View
A
Retailer 7
-
$440 AUD
View
B+
Retailer 8
-
$479 AUD
View
A
Retailer 9
-
$501 AUD
View
B+
Retailer 10
-
$571 AUD
View
B+
Retailer 11
-
$719 AUD
View
B
Retailer 12
-
$834 AUD
View
B
Retailer 13
-
$881 AUD
View
Most Expensive
B
MOH London
LG600367389 · Nov 4
$1,212 AUD
£668 GBP
View
13 more retailers have this diamond
Prices start from $210 AUDSave up to $1,002 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 Round
$210 AUD