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Cushion|Natural|GIA

1.20ct I SI1 Cushion Natural Diamond

EX • I/SI1 • GIA 1553750815

Certificate GIA 1553750815

Diamond specifications and retailer prices

From $3,393 NZD
As of November 6, 2026
Save $4,483 NZD (57%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $7,876 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 I 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 1553750815. Listed at 17 retailers as of November 6, 2026, with prices from $3,393 to $7,876, a $4,483 spread on the same certified stone. MOH London lists it at $7,876. 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
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1553750815
Dimensions7.02 × 5.24 × 3.60 mm
L/W Ratio1.34
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud, Needle
Top View
7.02 mm5.24 mm1.20 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1553750815
Side View
Table 64.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 68.7%

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: $7,876 NZD|Low: $3,393 NZD|High: $8,005 NZD|Avg: $4,954 NZD|-1.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 7, 2026
Retailer 8$3,393 NZD
Retailer 3$3,548 NZD
Retailer 7$3,961 NZD
Retailer 4$4,385 NZD
Retailer 9$4,521 NZD
Retailer 2$4,782 NZD
Retailer 6$5,516 NZD
Retailer 5$5,612 NZD
MOH London$7,876 NZD

27 data points across 9 retailers

17 retailers$3,393 NZD to $7,876 NZD

A
Cheapest Retailer
-
$3,393 NZD
A
Retailer 2
-
$3,548 NZD
View
A
Retailer 3
-
$3,961 NZD
View
B+
Retailer 4
-
$4,171 NZD
View
Final sale: no returns
B+
Retailer 5
-
$4,207 NZD
View
B+
Retailer 6
-
$4,212 NZD
View
B+
Retailer 7
-
$4,385 NZD
View
Retailer 8
-
$4,521 NZD
View
Price last confirmed 9 days ago
B+
Retailer 9
-
$4,724 NZD
View
B+
Retailer 10
-
$4,773 NZD
View
B+
Retailer 11
-
$4,782 NZD
View
B+
Retailer 12
-
$4,816 NZD
View
B+
Retailer 13
-
$4,907 NZD
View
Retailer 14
-
$5,064 NZD
View
Price last confirmed 31 days ago
B+
Retailer 15
-
$5,516 NZD
View
B
Retailer 16
-
$5,612 NZD
View
Most Expensive
B
MOH London
98F9CC2F9 · Nov 7
$7,876 NZD
£3,438 GBP
View
16 more retailers have this diamond
Prices start from $3,393 NZDSave up to $4,483 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
$3,393 NZD