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Cushion|Natural|GIA

1.20ct K SI1 Cushion Natural Diamond

EX • K/SI1 • GIA 1553950564

Certificate GIA 1553950564

Diamond specifications and retailer prices

From $2,493 NZD
As of November 6, 2026
Save $3,321 NZD (57%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $5,814 NZD 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1553950564. Listed at 14 retailers as of November 4, 2026, with prices from $2,493 to $5,814, a $3,321 spread on the same certified stone. MOH London lists it at $5,814. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1553950564
Dimensions7.09 × 5.46 × 3.75 mm
L/W Ratio1.30
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud, Indented Natural, Needle, Natural
Top View
7.09 mm5.46 mm1.20 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1553950564
Side View
Table 68.0%CrownGirdle: STK-VTKPavilionCulet: 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: $5,814 NZD|Low: $2,493 NZD|High: $5,892 NZD|Avg: $3,737 NZD|-1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 8$2,493 NZD
Retailer 2$2,614 NZD
Retailer 6$3,079 NZD
Retailer 9$3,326 NZD
Retailer 4$3,465 NZD
Retailer 5$3,611 NZD
Retailer 7$4,061 NZD
Retailer 3$4,519 NZD
MOH London$5,814 NZD

33 data points across 9 retailers

14 retailers$2,493 NZD to $5,814 NZD

A
Cheapest Retailer
-
$2,493 NZD
A
Retailer 2
-
$2,614 NZD
View
B+
Retailer 3
-
$3,079 NZD
View
B+
Retailer 4
-
$3,137 NZD
View
B+
Retailer 5
-
$3,139 NZD
View
Retailer 6
-
$3,326 NZD
View
Price last confirmed 22 days ago
B+
Retailer 7
-
$3,433 NZD
View
B+
Retailer 8
-
$3,463 NZD
View
B+
Retailer 9
-
$3,465 NZD
View
B+
Retailer 10
-
$3,574 NZD
View
B+
Retailer 11
-
$3,611 NZD
View
B+
Retailer 12
-
$4,061 NZD
View
B+
Retailer 13
-
$4,519 NZD
View
Most Expensive
B
MOH London
A3A101AE3 · Nov 4
$5,814 NZD
£2,538 GBP
View
13 more retailers have this diamond
Prices start from $2,493 NZDSave up to $3,321 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
$2,493 NZD