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Cushion|Natural|GIA

1.20ct G SI2 Cushion Natural Diamond

EX • G/SI2 • GIA 2558257226

Certificate GIA 2558257226

Diamond specifications and retailer prices

From $2,532 AUD
As of November 6, 2026
Save $3,190 AUD (56%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $5,723 AUD at MOH London · As of November 4, 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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2558257226. Listed at 12 retailers as of November 4, 2026, with prices from $2,532 to $5,723, a $3,190 spread on the same certified stone. MOH London lists it at $5,723. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2558257226
Dimensions7.05 × 5.42 × 3.92 mm
L/W Ratio1.30
Top View
7.05 mm5.42 mm1.20 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2558257226
Side View
Table 68.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 72.2%

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: $5,723 AUD|Low: $2,496 AUD|High: $6,042 AUD|Avg: $3,578 AUD|-5.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 9$2,532 AUD
Retailer 7$2,627 AUD
Retailer 11$2,739 AUD
Retailer 5$2,783 AUD
Retailer 3$2,989 AUD
Retailer 8$3,144 AUD
Retailer 10$3,211 AUD
Retailer 4$3,558 AUD
Retailer 2$4,066 AUD
Retailer 6$5,167 AUD
MOH London$5,723 AUD

37 data points across 11 retailers

12 retailers$2,532 AUD to $5,723 AUD

A
Cheapest Retailer
-
$2,532 AUD
A
Retailer 2
-
$2,627 AUD
View
A
Retailer 3
-
$2,739 AUD
View
Final sale: no returns
A
Retailer 4
-
$2,783 AUD
View
A
Retailer 5
-
$2,989 AUD
View
A
Retailer 6
-
$3,144 AUD
View
A
Retailer 7
-
$3,211 AUD
View
A
Retailer 8
-
$3,558 AUD
View
B+
Retailer 9
-
$3,564 AUD
View
B+
Retailer 10
-
$4,066 AUD
View
B+
Retailer 11
-
$5,167 AUD
View
Most Expensive
B
MOH London
EB48AB54F · Nov 4
$5,723 AUD
£3,096 GBP
View
11 more retailers have this diamond
Prices start from $2,532 AUDSave up to $3,190 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
$2,532 AUD