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Cushion|Natural|GIA

1.20ct K SI1 Cushion Natural Diamond

EX • K/SI1 • GIA 2556054396

Certificate GIA 2556054396

Diamond specifications and retailer prices

From $2,239 NZD
As of November 6, 2026
Save $3,083 NZD (58%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $5,322 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 2556054396. Listed at 15 retailers as of November 4, 2026, with prices from $2,239 to $5,322, a $3,083 spread on the same certified stone. MOH London lists it at $5,322. 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
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2556054396
Dimensions6.82 × 5.23 × 3.80 mm
L/W Ratio1.30
Top View
6.82 mm5.23 mm1.20 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2556054396
Side View
Table 67.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 72.8%

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: $5,322 NZD|Low: $2,239 NZD|High: $5,718 NZD|Avg: $3,421 NZD|-6.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 6, 2026
Retailer 10$2,239 NZD
Retailer 5$2,778 NZD
Retailer 4$2,807 NZD
Retailer 12$2,812 NZD
Retailer 13$2,865 NZD
Retailer 6$2,886 NZD
Retailer 9$3,031 NZD
Retailer 7$3,119 NZD
Retailer 11$3,175 NZD
Retailer 3$3,290 NZD
Retailer 8$3,718 NZD
Retailer 2$4,136 NZD
Retailer 14$4,656 NZD
MOH London$5,322 NZD

33 data points across 14 retailers

15 retailers$2,239 NZD to $5,322 NZD

A
Cheapest Retailer
-
$2,239 NZD
Retailer 2
-
$2,778 NZD
View
Price last confirmed 10 days ago
Retailer 3
-
$2,807 NZD
View
Price last confirmed 10 days ago
B+
Retailer 4
-
$2,812 NZD
View
Final sale: no returns
B+
Retailer 5
-
$2,865 NZD
View
Retailer 6
-
$2,886 NZD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
$3,031 NZD
View
B+
Retailer 8
-
$3,119 NZD
View
B+
Retailer 9
-
$3,175 NZD
View
B+
Retailer 10
-
$3,290 NZD
View
B+
Retailer 11
-
$3,433 NZD
View
B+
Retailer 12
-
$3,718 NZD
View
B
Retailer 13
-
$4,136 NZD
View
B
Retailer 14
-
$4,656 NZD
View
Most Expensive
B
MOH London
12C279E0C · Nov 4
$5,322 NZD
£2,323 GBP
View
14 more retailers have this diamond
Prices start from $2,239 NZDSave up to $3,083 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
$2,239 NZD