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Cushion|Natural|GIA

1.20ct E SI2 Cushion Natural Diamond

ID • E/SI2 • GIA 1555308320

Certificate GIA 1555308320

Diamond specifications and retailer prices

From $3,390 AUD
As of November 6, 2026
Save $4,107 AUD (55%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $7,497 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 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 1555308320. Listed at 12 retailers as of November 4, 2026, with prices from $3,390 to $7,497, a $4,107 spread on the same certified stone. MOH London lists it at $7,497. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 1555308320
Dimensions7.61 × 5.35 × 3.62 mm
L/W Ratio1.42
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Needle, Indented Natural
Top View
7.61 mm5.35 mm1.20 ctE / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceStrong
CertificateGIA 1555308320
Side View
Table 67.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 67.8%

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: $7,497 AUD|Low: $3,353 AUD|High: $7,907 AUD|Avg: $4,769 AUD|-5.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 7$3,390 AUD
Retailer 2$3,525 AUD
Retailer 6$4,116 AUD
Retailer 8$4,148 AUD
Retailer 5$4,646 AUD
Retailer 10$4,660 AUD
Retailer 4$4,708 AUD
Retailer 9$4,846 AUD
Retailer 3$5,232 AUD
MOH London$7,497 AUD

31 data points across 10 retailers

12 retailers$3,390 AUD to $7,497 AUD

A
Cheapest Retailer
-
$3,390 AUD
A
Retailer 2
-
$3,525 AUD
View
B+
Retailer 3
-
$4,116 AUD
View
B+
Retailer 4
-
$4,148 AUD
View
Final sale: no returns
B+
Retailer 5
-
$4,333 AUD
View
B+
Retailer 6
-
$4,605 AUD
View
B+
Retailer 7
-
$4,646 AUD
View
Retailer 8
-
$4,660 AUD
View
Price last confirmed 21 days ago
B+
Retailer 9
-
$4,708 AUD
View
B+
Retailer 10
-
$4,846 AUD
View
B+
Retailer 11
-
$5,232 AUD
View
Most Expensive
B
MOH London
0B18D3B7B · Nov 4
$7,497 AUD
£4,056 GBP
View
11 more retailers have this diamond
Prices start from $3,390 AUDSave up to $4,107 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
$3,390 AUD