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Cushion|Natural|GIA

1.20ct E SI2 Cushion Natural Diamond

EX • E/SI2 • GIA 1548580644

Certificate GIA 1548580644

Diamond specifications and retailer prices

From $4,109 NZD
As of November 6, 2026
Save $4,894 NZD (54%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $10,687 NZD at Queensmith · As of October 28, 2026
View at Queensmith

About this 1.2ct natural cushion diamond

This 1.2ct natural cushion sits in the classic one-carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1548580644. Listed at 15 retailers as of November 4, 2026, with a 119% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
E
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1548580644
Dimensions7.75 × 5.45 × 3.45 mm
L/W Ratio1.42
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Crystal, Cavity, Needle, Cloud
Top View
7.75 mm5.45 mm1.20 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1548580644
Side View
Table 63.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 63.3%

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: $10,687 NZD|Low: $4,062 NZD|High: $10,882 NZD|Avg: $6,132 NZD|+1.3%
Queensmith
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 12$4,109 NZD
Retailer 2$4,279 NZD
Retailer 11$4,966 NZD
Retailer 3$4,981 NZD
Retailer 9$4,997 NZD
Retailer 6$5,307 NZD
Retailer 13$5,653 NZD
Retailer 5$5,713 NZD
Retailer 8$5,713 NZD
Retailer 4$5,832 NZD
Retailer 7$6,283 NZD
Retailer 10$9,003 NZD
Queensmith$10,687 NZD

25 data points across 13 retailers

15 retailers$4,109 NZD to $9,003 NZD

A
Cheapest Retailer
-
$4,109 NZD
A
Retailer 2
-
$4,279 NZD
View
B+
Retailer 3
-
$4,966 NZD
View
A
Retailer 4
-
$4,981 NZD
View
Final sale: no returns
B+
Retailer 5
-
$4,997 NZD
View
B+
Retailer 6
-
$5,258 NZD
View
B+
Retailer 7
-
$5,307 NZD
View
Retailer 8
-
$5,601 NZD
View
Price last confirmed 21 days ago
B+
Retailer 9
-
$5,653 NZD
View
B+
Retailer 10
-
$5,713 NZD
View
B+
Retailer 11
-
$5,713 NZD
View
B+
Retailer 12
-
$5,832 NZD
View
B+
Retailer 13
-
$6,283 NZD
View
B
Retailer 14
-
$9,003 NZD
View
Most Expensive
Queensmith
1548580644 · Oct 28
$10,687 NZD
£4,665 GBP
View
Price last confirmed 9 days ago
14 more retailers have this diamond
Prices start from $4,109 NZDSave up to $4,894 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
$4,109 NZD