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Cushion|Lab Grown|IGI

1.05ct H VS1 Cushion Lab Grown Diamond

EX • H/VS1 • IGI LG512223477

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG512223477

Diamond specifications and retailer prices

From $329 AUD
£182 GBP
As of November 1, 2026
Save $899 AUD (73%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,228 AUD at MOH London · As of November 1, 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 H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG512223477 or 512223477. Listed at 6 retailers as of November 1, 2026, with prices from $329 to $1,228, a $899 spread on the same certified stone. MOH London lists it at $1,228. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
H
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle37°
OriginLab Grown
Grading LabIGI
CertificateIGI LG512223477
Dimensions6.68 × 5.31 × 3.72 mm
L/W Ratio1.26
Girdle conditionFaceted
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
6.68 mm5.31 mm1.05 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG512223477
Side View
Table 63.5%Crown 36.1°Girdle: STK-VTKPavilion 37°Culet: NoneDepth 70.1%

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 1
Current: $1,228 AUD|Low: $329 AUD|High: $1,367 AUD|Avg: $786 AUD|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 4$329 AUD
Retailer 3$453 AUD
Retailer 5$499 AUD
Retailer 2$640 AUD
Retailer 7$734 AUD
Retailer 6$1,093 AUD
MOH London$1,228 AUD
Retailer 8$1,367 AUD

25 data points across 8 retailers

6 retailers$329 AUD to $1,228 AUD

A
Cheapest Retailer
-
$329 AUD
£182 GBP
A
Retailer 2
-
$453 AUD
ZAR 5,145 ZAR
View
A
Retailer 3
-
$499 AUD
£276 GBP
View
A
Retailer 4
-
$640 AUD
View
B
Retailer 5
-
$1,093 AUD
$768 USD
View
Most Expensive
B
MOH London
LG512223477 · Nov 1
$1,228 AUD
£679 GBP
View
5 more retailers have this diamond
Prices start from $329 AUDSave up to $899 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
$329 AUD