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Cushion|Natural|GIA

1.20ct J SI1 Cushion Natural Diamond

EX • J/SI1 • GIA 6495470525

Certificate GIA 6495470525

Diamond specifications and retailer prices

From $2,390 NZD
As of November 1, 2026
Save $3,109 NZD (57%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $5,498 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 6495470525. Listed at 16 retailers as of November 1, 2026, with prices from $2,390 to $5,498, a $3,109 spread on the same certified stone. MOH London lists it at $5,498. 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
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6495470525
Dimensions7.03 × 5.45 × 3.78 mm
L/W Ratio1.29
Top View
7.03 mm5.45 mm1.20 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6495470525
Side View
Table 63.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 69.4%

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 1
Current: $5,498 NZD|Low: $2,367 NZD|High: $5,564 NZD|Avg: $3,408 NZD|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 3, 2026
Retailer 9$2,390 NZD
Retailer 5$2,551 NZD
Retailer 2$2,603 NZD
Retailer 6$3,060 NZD
Retailer 11$3,138 NZD
Retailer 4$3,336 NZD
Retailer 3$3,382 NZD
Retailer 12$3,467 NZD
Retailer 8$3,517 NZD
Retailer 10$3,821 NZD
Retailer 7$4,285 NZD
MOH London$5,498 NZD

26 data points across 12 retailers

16 retailers$2,390 NZD to $5,498 NZD

A
Cheapest Retailer
-
$2,390 NZD
A
Retailer 2
-
$2,551 NZD
View
A
Retailer 3
-
$2,603 NZD
View
B+
Retailer 4
-
$3,042 NZD
View
B+
Retailer 5
-
$3,049 NZD
View
B+
Retailer 6
-
$3,060 NZD
View
B+
Retailer 7
-
$3,138 NZD
View
Retailer 8
-
$3,336 NZD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
$3,382 NZD
View
B+
Retailer 10
-
$3,394 NZD
View
B+
Retailer 11
-
$3,467 NZD
View
B+
Retailer 12
-
$3,517 NZD
View
Retailer 13
-
$3,821 NZD
View
Price last confirmed 9 days ago
Retailer 14
-
$4,123 NZD
View
Price last confirmed 30 days ago
B+
Retailer 15
-
$4,285 NZD
View
Most Expensive
B
MOH London
323C38BBB · Nov 2
$5,498 NZD
£2,435 GBP
View
15 more retailers have this diamond
Prices start from $2,390 NZDSave up to $3,109 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
$2,390 NZD