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Cushion|Natural|GIA

1.20ct G SI1 Cushion Natural Diamond

ID • G/SI1 • GIA 1459440060

Certificate GIA 1459440060

Diamond specifications and retailer prices

From $2,564 AUD
As of November 6, 2026
Save $3,103 AUD (55%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $5,667 AUD at MOH London · As of November 7, 2026
View at MOH London

About this 1.2ct natural cushion diamond

This 1.2ct natural cushion sits in the classic one-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1459440060. Listed at 22 retailers as of November 6, 2026, with prices from $2,564 to $5,667, a $3,103 spread on the same certified stone. MOH London lists it at $5,667. 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

1.20
Carat
G
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.31°
Pavilion angle62°
OriginNatural
Grading LabGIA
CertificateGIA 1459440060
Dimensions6.17 × 5.73 × 3.98 mm
L/W Ratio1.08
Cert comments
Additional clouds are not shown. Pinpoints are not shown.
Key to symbols
Crystal, Cloud, Needle
Top View
6.17 mm5.73 mm1.20 ctG / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1459440060
Side View
Table 63.0%Crown 39.31°Girdle: STK-VTKPavilion 62°Culet: NoneDepth 69.5%

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: $5,667 AUD|Low: $2,564 AUD|High: $5,758 AUD|Avg: $3,566 AUD|-1.6%
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 7, 2026
Retailer 5$2,564 AUD
Retailer 11$2,570 AUD
Retailer 12$2,831 AUD
Retailer 10$2,933 AUD
Retailer 6$3,154 AUD
Retailer 4$3,189 AUD
Retailer 3$3,347 AUD
Retailer 2$3,532 AUD
Retailer 8$3,567 AUD
Retailer 9$3,969 AUD
Retailer 7$4,037 AUD
MOH London$5,667 AUD

24 data points across 12 retailers

22 retailers$2,564 AUD to $5,667 AUD

A
Cheapest Retailer
-
$2,564 AUD
A
Retailer 2
-
$2,570 AUD
View
A
Retailer 3
-
$2,933 AUD
View
A
Retailer 4
-
$2,937 AUD
View
A
Retailer 5
-
$3,001 AUD
View
Final sale: no returns
A
Retailer 6
-
$3,154 AUD
View
A
Retailer 7
-
$3,189 AUD
View
Retailer 8
-
$3,251 AUD
View
Price last confirmed 9 days ago
A
Retailer 9
-
$3,267 AUD
View
A
Retailer 10
-
$3,347 AUD
View
A
Retailer 11
-
$3,420 AUD
View
A
Retailer 12
-
$3,454 AUD
View
A
Retailer 13
-
$3,532 AUD
View
A
Retailer 14
-
$3,540 AUD
View
A
Retailer 15
-
$3,567 AUD
View
A
Retailer 16
-
$3,631 AUD
View
B+
Retailer 17
-
$3,969 AUD
View
Retailer 18
-
$3,998 AUD
View
Price last confirmed 32 days ago
B+
Retailer 19
-
$4,037 AUD
View
B+
Retailer 20
-
$4,829 AUD
View
B
Retailer 21
-
$4,963 AUD
View
Most Expensive
B+
MOH London
B7B684B65 · Nov 7
$5,667 AUD
£3,066 GBP
View
21 more retailers have this diamond
Prices start from $2,564 AUDSave up to $3,103 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
1.20ct Cushion
$2,564 AUD