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Cushion|Natural|GIA

1.20ct G SI1 Cushion Natural Diamond

EX • G/SI1 • GIA 6552511415

Certificate GIA 6552511415

Diamond specifications and retailer prices

From $4,133 NZD
As of November 4, 2026
Save $5,180 NZD (56%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $9,313 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 G 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 6552511415. Listed at 23 retailers as of November 4, 2026, with prices from $4,133 to $9,313, a $5,180 spread on the same certified stone. MOH London lists it at $9,313. 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
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6552511415
Dimensions7.79 × 5.26 × 3.54 mm
L/W Ratio1.48
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Needle
Top View
7.79 mm5.26 mm1.20 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 6552511415
Side View
Table 67.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 67.3%

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 4
Current: $9,313 NZD|Low: $4,086 NZD|High: $9,514 NZD|Avg: $5,770 NZD|-2.1%
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 7, 2026
Retailer 8$4,133 NZD
Retailer 6$4,337 NZD
Retailer 20$4,683 NZD
Retailer 10$4,921 NZD
Retailer 9$5,033 NZD
Retailer 3$5,078 NZD
Retailer 13$5,267 NZD
Retailer 16$5,432 NZD
Retailer 5$5,515 NZD
Retailer 12$5,659 NZD
Retailer 17$5,720 NZD
Retailer 11$5,738 NZD
Retailer 2$5,807 NZD
Retailer 4$5,809 NZD
Retailer 14$5,809 NZD
Retailer 15$6,007 NZD
Retailer 19$6,283 NZD
Retailer 18$6,517 NZD
Retailer 7$6,734 NZD
MOH London$9,313 NZD

23 data points across 20 retailers

23 retailers$4,133 NZD to $9,313 NZD

A
Cheapest Retailer
-
$4,133 NZD
A
Retailer 2
-
$4,337 NZD
View
A
Retailer 3
-
$4,683 NZD
View
Final sale: no returns
Retailer 4
-
$4,921 NZD
View
Price last confirmed 9 days ago
B+
Retailer 5
-
$5,033 NZD
View
B+
Retailer 6
-
$5,078 NZD
View
B+
Retailer 7
-
$5,267 NZD
View
B+
Retailer 8
-
$5,345 NZD
View
B+
Retailer 9
-
$5,432 NZD
View
B+
Retailer 10
-
$5,515 NZD
View
Retailer 11
-
$5,659 NZD
View
Price last confirmed 22 days ago
B+
Retailer 12
-
$5,695 NZD
View
B+
Retailer 13
-
$5,720 NZD
View
Retailer 14
-
$5,738 NZD
View
Price last confirmed 11 days ago
B+
Retailer 15
-
$5,807 NZD
View
B+
Retailer 16
-
$5,809 NZD
View
B+
Retailer 17
-
$5,809 NZD
View
B+
Retailer 18
-
$6,007 NZD
View
Retailer 19
-
$6,196 NZD
View
Price last confirmed 34 days ago
B+
Retailer 20
-
$6,283 NZD
View
B+
Retailer 21
-
$6,517 NZD
View
B+
Retailer 22
-
$6,734 NZD
View
Most Expensive
B
MOH London
805DF8A19 · Nov 7
$9,313 NZD
£4,065 GBP
View
22 more retailers have this diamond
Prices start from $4,133 NZDSave up to $5,180 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
$4,133 NZD