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Cushion|Natural|GIA

1.20ct K SI1 Cushion Natural Diamond

EX • K/SI1 • GIA 5433396863

Certificate GIA 5433396863

Diamond specifications and retailer prices

From $2,233 NZD
As of November 5, 2026
Save $2,165 NZD (49%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $4,399 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 5433396863. Listed at 11 retailers as of November 4, 2026, with prices from $2,233 to $4,399, a $2,165 spread on the same certified stone. MOH London lists it at $4,399. 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
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5433396863
Dimensions5.74 × 5.68 × 4.18 mm
L/W Ratio1.01
Top View
5.74 mm5.68 mm1.20 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5433396863
Side View
Table 64.0%CrownGirdle: VTK-ETKPavilionCulet: NoneDepth 73.7%

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 5
Current: $4,399 NZD|Low: $2,233 NZD|High: $4,687 NZD|Avg: $3,056 NZD|-5.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 10$2,233 NZD
Retailer 6$2,246 NZD
Retailer 2$2,336 NZD
Retailer 8$2,607 NZD
Retailer 7$2,657 NZD
Retailer 9$2,675 NZD
Retailer 4$2,708 NZD
Retailer 5$2,939 NZD
Retailer 3$3,341 NZD
MOH London$4,399 NZD

34 data points across 10 retailers

11 retailers$2,233 NZD to $4,399 NZD

A
Cheapest Retailer
-
$2,233 NZD
A
Retailer 2
-
$2,246 NZD
View
A
Retailer 3
-
$2,336 NZD
View
B+
Retailer 4
-
$2,607 NZD
View
Retailer 5
-
$2,643 NZD
View
Price last confirmed 30 days ago
A
Retailer 6
-
$2,657 NZD
View
B+
Retailer 7
-
$2,675 NZD
View
A
Retailer 8
-
$2,708 NZD
View
B+
Retailer 9
-
$2,939 NZD
View
B+
Retailer 10
-
$3,341 NZD
View
Most Expensive
B
MOH London
D43CBFDD5 · Nov 4
$4,399 NZD
£1,920 GBP
View
10 more retailers have this diamond
Prices start from $2,233 NZDSave up to $2,165 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
$2,233 NZD