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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 $3,178 NZD
As of November 6, 2026
Save $3,846 NZD (55%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $7,024 NZD 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 $3,178 to $7,024, a $3,846 spread on the same certified stone. MOH London lists it at $7,024. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $7,024 NZD|Low: $3,178 NZD|High: $7,136 NZD|Avg: $4,420 NZD|-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$3,178 NZD
Retailer 11$3,186 NZD
Retailer 12$3,509 NZD
Retailer 10$3,635 NZD
Retailer 6$3,909 NZD
Retailer 4$3,952 NZD
Retailer 3$4,149 NZD
Retailer 2$4,378 NZD
Retailer 8$4,421 NZD
Retailer 9$4,919 NZD
Retailer 7$5,004 NZD
MOH London$7,024 NZD

24 data points across 12 retailers

22 retailers$3,178 NZD to $7,024 NZD

A
Cheapest Retailer
-
$3,178 NZD
A
Retailer 2
-
$3,186 NZD
View
A
Retailer 3
-
$3,635 NZD
View
A
Retailer 4
-
$3,640 NZD
View
A
Retailer 5
-
$3,720 NZD
View
Final sale: no returns
A
Retailer 6
-
$3,909 NZD
View
A
Retailer 7
-
$3,952 NZD
View
Retailer 8
-
$4,030 NZD
View
Price last confirmed 9 days ago
A
Retailer 9
-
$4,050 NZD
View
A
Retailer 10
-
$4,149 NZD
View
A
Retailer 11
-
$4,239 NZD
View
A
Retailer 12
-
$4,281 NZD
View
A
Retailer 13
-
$4,378 NZD
View
A
Retailer 14
-
$4,387 NZD
View
A
Retailer 15
-
$4,421 NZD
View
A
Retailer 16
-
$4,501 NZD
View
B+
Retailer 17
-
$4,919 NZD
View
Retailer 18
-
$4,955 NZD
View
Price last confirmed 32 days ago
B+
Retailer 19
-
$5,004 NZD
View
B+
Retailer 20
-
$5,985 NZD
View
B
Retailer 21
-
$6,151 NZD
View
Most Expensive
B+
MOH London
B7B684B65 · Nov 7
$7,024 NZD
£3,066 GBP
View
21 more retailers have this diamond
Prices start from $3,178 NZDSave up to $3,846 NZD

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
$3,178 NZD