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Cushion|Natural|GIA

1.00ct E SI2 Cushion Natural Diamond

EX • E/SI2 • GIA 1455942467

Certificate GIA 1455942467

Diamond specifications and retailer prices

From $1,546 AUD
As of November 6, 2026
Save $2,258 AUD (59%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $3,804 AUD at MOH London · As of November 2, 2026
View at MOH London

About this 1ct natural cushion diamond

This 1ct 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 1455942467. Listed at 13 retailers as of November 2, 2026, with prices from $1,546 to $3,804, a $2,258 spread on the same certified stone. MOH London lists it at $3,804. 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

1.00
Carat
E
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1455942467
Dimensions5.84 × 4.82 × 3.72 mm
L/W Ratio1.21
Key to symbols
Crystal, Indented Natural, Needle, Natural
Top View
5.84 mm4.82 mm1.00 ctE / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 1455942467
Side View
Table 55.0%CrownGirdle: ThickPavilionCulet: NoneDepth 77.2%

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: $3,804 AUD|Low: $1,527 AUD|High: $3,850 AUD|Avg: $2,267 AUD|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 7$1,546 AUD
Retailer 2$1,850 AUD
Retailer 9$1,915 AUD
Retailer 6$1,943 AUD
Retailer 3$2,042 AUD
Retailer 8$2,077 AUD
Retailer 5$2,292 AUD
Retailer 4$2,877 AUD
MOH London$3,804 AUD

39 data points across 9 retailers

13 retailers$1,546 AUD to $3,804 AUD

A
Cheapest Retailer
-
$1,546 AUD
A
Retailer 2
-
$1,850 AUD
View
A
Retailer 3
-
$1,915 AUD
View
Final sale: no returns
A
Retailer 4
-
$1,924 AUD
View
A
Retailer 5
-
$1,943 AUD
View
A
Retailer 6
-
$2,042 AUD
View
Retailer 7
-
$2,077 AUD
View
Price last confirmed 12 days ago
A
Retailer 8
-
$2,093 AUD
View
B+
Retailer 9
-
$2,273 AUD
View
A
Retailer 10
-
$2,292 AUD
View
B+
Retailer 11
-
$2,877 AUD
View
B+
Retailer 12
-
$3,195 AUD
View
Most Expensive
B+
MOH London
4C261FE8E · Nov 2
$3,804 AUD
£2,058 GBP
View
12 more retailers have this diamond
Prices start from $1,546 AUDSave up to $2,258 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
1.00ct Cushion
$1,546 AUD