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Cushion|Lab Grown|IGI

1.05ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG833671683

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG833671683

Diamond specifications and retailer prices

From $208 AUD
As of November 6, 2026
Save $1,714 AUD (89%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,922 AUD at MOH London · As of November 5, 2026
View at MOH London

About this 1.05ct lab-grown cushion diamond

This 1.05ct lab-grown cushion 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 LG833671683 or 833671683. Listed at 12 retailers as of November 5, 2026, with prices from $208 to $1,922, a $1,714 spread on the same certified stone. MOH London lists it at $1,922. 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
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle34.4°
Pavilion angle29.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG833671683
Dimensions7.29 × 5.26 × 3.18 mm
L/W Ratio1.39
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.29 mm5.26 mm1.05 ctE / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG833671683
Side View
Table 61.0%Crown 34.4°Girdle: MED-THKPavilion 29.6°Culet: NoneDepth 60.5%

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 6
Current: $1,922 AUD|Low: $208 AUD|High: $2,000 AUD|Avg: $589 AUD|-2.7%
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 6$208 AUD
Retailer 12$261 AUD
Retailer 2$297 AUD
Retailer 5$381 AUD
Retailer 10$403 AUD
Retailer 7$438 AUD
Retailer 8$440 AUD
Retailer 4$453 AUD
Retailer 9$578 AUD
Retailer 11$642 AUD
Retailer 3$735 AUD
MOH London$1,922 AUD

40 data points across 12 retailers

12 retailers$208 AUD to $1,922 AUD

A
Cheapest Retailer
-
$208 AUD
Final sale: no returns
A
Retailer 2
-
$261 AUD
View
A
Retailer 3
-
$297 AUD
View
A
Retailer 4
-
$381 AUD
View
A
Retailer 5
-
$403 AUD
View
A
Retailer 6
-
$438 AUD
View
B+
Retailer 7
-
$440 AUD
View
Retailer 8
-
$453 AUD
View
Price last confirmed 13 days ago
A
Retailer 9
-
$578 AUD
View
B+
Retailer 10
-
$642 AUD
View
Retailer 11
-
$735 AUD
View
Price last confirmed 10 days ago
Most Expensive
B
MOH London
LG833671683 · Nov 5
$1,922 AUD
£1,040 GBP
View
11 more retailers have this diamond
Prices start from $208 AUDSave up to $1,714 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 Cushion
$208 AUD