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Cushion|Natural|GIA

1.20ct J SI2 Cushion Natural Diamond

ID • J/SI2 • GIA 2557552549

Certificate GIA 2557552549

Diamond specifications and retailer prices

From $1,787 AUD
As of November 6, 2026
Save $2,397 AUD (57%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $4,185 AUD 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 J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2557552549. Listed at 14 retailers as of November 4, 2026, with prices from $1,787 to $4,185, a $2,397 spread on the same certified stone. MOH London lists it at $4,185. 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
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2557552549
Dimensions7.13 × 5.49 × 3.77 mm
L/W Ratio1.30
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud, Needle
Top View
7.13 mm5.49 mm1.20 ctJ / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2557552549
Side View
Table 67.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 68.6%

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: $4,185 AUD|Low: $1,770 AUD|High: $4,273 AUD|Avg: $2,584 AUD|-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
November 6, 2026
Retailer 10$1,787 AUD
Retailer 2$1,886 AUD
Retailer 12$2,209 AUD
Retailer 8$2,241 AUD
Retailer 9$2,372 AUD
Retailer 11$2,394 AUD
Retailer 4$2,489 AUD
Retailer 6$2,493 AUD
Retailer 3$2,592 AUD
Retailer 7$2,656 AUD
Retailer 5$3,253 AUD
MOH London$4,185 AUD

39 data points across 12 retailers

14 retailers$1,787 AUD to $4,185 AUD

A
Cheapest Retailer
-
$1,787 AUD
A
Retailer 2
-
$1,886 AUD
View
A
Retailer 3
-
$2,209 AUD
View
Final sale: no returns
A
Retailer 4
-
$2,241 AUD
View
A
Retailer 5
-
$2,268 AUD
View
B+
Retailer 6
-
$2,372 AUD
View
Retailer 7
-
$2,394 AUD
View
Price last confirmed 22 days ago
B+
Retailer 8
-
$2,489 AUD
View
B+
Retailer 9
-
$2,493 AUD
View
B+
Retailer 10
-
$2,592 AUD
View
B+
Retailer 11
-
$2,656 AUD
View
B+
Retailer 12
-
$2,656 AUD
View
B+
Retailer 13
-
$3,253 AUD
View
Most Expensive
B
MOH London
DA8D7FD56 · Nov 4
$4,185 AUD
£2,264 GBP
View
13 more retailers have this diamond
Prices start from $1,787 AUDSave up to $2,397 AUD

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
$1,787 AUD