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Cushion|Natural|GIA

1.20ct K SI2 Cushion Natural Diamond

EX • K/SI2 • GIA 1473172101

Certificate GIA 1473172101

Diamond specifications and retailer prices

From $1,863 AUD
As of November 5, 2026
Save $1,801 AUD (49%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $3,663 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 K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1473172101. Listed at 7 retailers as of November 4, 2026, with prices from $1,863 to $3,663, a $1,801 spread on the same certified stone. MOH London lists it at $3,663. 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
K
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle39.89°
Pavilion angle38.39°
OriginNatural
Grading LabGIA
CertificateGIA 1473172101
Dimensions6.00 × 5.92 × 4.12 mm
L/W Ratio1.01
Key to symbols
Feather, Cloud, Crystal, Needle
Top View
6.00 mm5.92 mm1.20 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1473172101
Side View
Table 61.0%Crown 39.89°Girdle: STK-VTKPavilion 38.39°Culet: NoneDepth 69.6%

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: $3,663 AUD|Low: $1,863 AUD|High: $3,821 AUD|Avg: $2,559 AUD|-4.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 4$1,863 AUD
Retailer 5$1,905 AUD
Retailer 2$2,144 AUD
Retailer 6$2,275 AUD
Retailer 7$2,278 AUD
Retailer 3$2,908 AUD
MOH London$3,663 AUD

34 data points across 7 retailers

7 retailers$1,863 AUD to $3,663 AUD

A
Cheapest Retailer
-
$1,863 AUD
A
Retailer 2
-
$1,905 AUD
View
A
Retailer 3
-
$2,144 AUD
View
B+
Retailer 4
-
$2,275 AUD
View
B+
Retailer 5
-
$2,278 AUD
View
B+
Retailer 6
-
$2,908 AUD
View
Most Expensive
B
MOH London
DF610A0CB · Nov 4
$3,663 AUD
£1,982 GBP
View
6 more retailers have this diamond
Prices start from $1,863 AUDSave up to $1,801 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
$1,863 AUD