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Cushion|Natural|GIA

1.20ct J SI1 Cushion Natural Diamond

EX • J/SI1 • GIA 7542838428

Certificate GIA 7542838428

Diamond specifications and retailer prices

From $3,435 NZD
As of November 2, 2026
Save $4,479 NZD (57%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $7,915 NZD at MOH London · As of November 2, 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 J 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 7542838428. Listed at 15 retailers as of November 2, 2026, with prices from $3,435 to $7,915, a $4,479 spread on the same certified stone. MOH London lists it at $7,915. 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
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 7542838428
Dimensions7.24 × 5.41 × 3.66 mm
L/W Ratio1.34
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Crystal, Feather, Cavity, Indented Natural, Needle
Top View
7.24 mm5.41 mm1.20 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 7542838428
Side View
Table 64.0%CrownGirdle: VTN-VTKPavilionCulet: NoneDepth 67.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $7,915 NZD|Low: $3,435 NZD|High: $8,091 NZD|Avg: $4,843 NZD|-2.2%
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
November 4, 2026
Retailer 10$3,435 NZD
Retailer 7$3,604 NZD
Retailer 8$4,056 NZD
Retailer 12$4,169 NZD
Retailer 3$4,312 NZD
Retailer 4$4,562 NZD
Retailer 11$4,767 NZD
Retailer 2$4,779 NZD
Retailer 9$4,907 NZD
Retailer 5$5,137 NZD
Retailer 13$5,608 NZD
Retailer 6$5,618 NZD
MOH London$7,915 NZD

32 data points across 13 retailers

15 retailers$3,435 NZD to $7,915 NZD

B+
Cheapest Retailer
-
$3,435 NZD
B+
Retailer 2
-
$3,604 NZD
View
B+
Retailer 3
-
$4,056 NZD
View
B+
Retailer 4
-
$4,169 NZD
View
Final sale: no returns
B+
Retailer 5
-
$4,312 NZD
View
B+
Retailer 6
-
$4,312 NZD
View
B
Retailer 7
-
$4,562 NZD
View
B
Retailer 8
-
$4,767 NZD
View
B
Retailer 9
-
$4,779 NZD
View
B
Retailer 10
-
$4,907 NZD
View
B
Retailer 11
-
$4,932 NZD
View
Retailer 12
-
$5,137 NZD
View
Price last confirmed 28 days ago
B
Retailer 13
-
$5,608 NZD
View
B
Retailer 14
-
$5,618 NZD
View
Most Expensive
B
MOH London
4F637D3B5 · Nov 2
$7,915 NZD
£3,505 GBP
View
14 more retailers have this diamond
Prices start from $3,435 NZDSave up to $4,479 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.

B+
1.20ct Cushion
$3,435 NZD