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Cushion|Natural|GIA

1.00ct E IF Cushion Natural Diamond

EX • E/IF • GIA 2556200640

Certificate GIA 2556200640

Diamond specifications and retailer prices

From $6,403 AUD
$4,487 USD
As of November 2, 2026
Save $4,646 AUD (42%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $11,049 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2556200640. Listed at 9 retailers as of November 2, 2026, with prices from $6,403 to $11,049, a $4,646 spread on the same certified stone. MOH London lists it at $11,049. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

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

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2556200640
Dimensions4.92 × 6.45 × 3.43 mm
L/W Ratio1.31
Culet sizeNone
Top View
4.92 mm6.45 mm1.00 ctE / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2556200640
Side View
Table 65.0%CrownGirdlePavilionCulet: NoneDepth 69.6%

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 2
Current: $11,049 AUD|Low: $5,869 AUD|High: $11,183 AUD|Avg: $7,660 AUD|+8.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 7$6,403 AUD
Retailer 6$6,621 AUD
Retailer 3$6,899 AUD
Retailer 5$6,938 AUD
Retailer 8$6,994 AUD
Retailer 2$7,851 AUD
Retailer 9$8,068 AUD
Retailer 4$8,528 AUD
MOH London$11,049 AUD

44 data points across 9 retailers

9 retailers$6,403 AUD to $11,049 AUD

A
Cheapest Retailer
-
$6,403 AUD
$4,487 USD
Final sale: no returns
A
Retailer 2
-
$6,621 AUD
$4,640 USD
View
A
Retailer 3
-
$6,899 AUD
£3,807 GBP
View
A
Retailer 4
-
$6,938 AUD
$4,862 USD
View
Retailer 5
-
$6,994 AUD
View
Price last confirmed 24 days ago
A
Retailer 6
-
$7,851 AUD
€5,240 EUR
View
A
Retailer 7
-
$8,068 AUD
£4,452 GBP
View
B+
Retailer 8
-
$8,528 AUD
ZAR 96,548 ZAR
View
Most Expensive
B+
MOH London
247059AB6 · Nov 2
$11,049 AUD
£6,097 GBP
View
8 more retailers have this diamond
Prices start from $6,403 AUDSave up to $4,646 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
$6,403 AUD