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Cushion|Natural|GIA

1.00ct E SI1 Cushion Natural Diamond

ID • E/SI1 • GIA 5556749718

Certificate GIA 5556749718

Diamond specifications and retailer prices

From $1,889 AUD
$1,327 USD
As of October 30, 2026
Save $2,340 AUD (55%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $4,229 AUD at MOH London · As of October 29, 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5556749718. Listed at 11 retailers as of October 29, 2026, with prices from $1,889 to $4,229, a $2,340 spread on the same certified stone. MOH London lists it at $4,229. 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
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 5556749718
Dimensions6.57 × 5.26 × 3.57 mm
L/W Ratio1.25
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
6.57 mm5.26 mm1.00 ctE / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5556749718
Side View
Table 60.0%CrownGirdle: MED-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: Oct 30
Current: $4,229 AUD|Low: $1,819 AUD|High: $4,502 AUD|Avg: $2,744 AUD|-5.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 29, 2026
Retailer 8$1,889 AUD
Retailer 12$1,966 AUD
Retailer 2$2,107 AUD
Retailer 3$2,313 AUD
Retailer 4$2,319 AUD
Retailer 9$2,498 AUD
Retailer 14$2,540 AUD
Retailer 5$2,577 AUD
Retailer 7$2,734 AUD
Retailer 10$2,772 AUD
Retailer 6$2,847 AUD
Retailer 15$3,106 AUD
Retailer 13$3,313 AUD
Retailer 11$3,454 AUD
MOH London$4,229 AUD

37 data points across 15 retailers

11 retailers$1,889 AUD to $4,229 AUD

A
Cheapest Retailer
-
$1,889 AUD
$1,327 USD
Final sale: no returns
A
Retailer 2
-
$2,107 AUD
$1,480 USD
View
Retailer 3
-
$2,313 AUD
$1,625 USD
View
Price last confirmed 25 days ago
Retailer 4
-
$2,319 AUD
$1,629 USD
View
Price last confirmed 23 days ago
A
Retailer 5
-
$2,498 AUD
$1,755 USD
View
Retailer 6
-
$2,540 AUD
$1,784 USD
View
Price last confirmed 23 days ago
Retailer 7
-
$2,734 AUD
$1,921 USD
View
Price last confirmed 21 days ago
Retailer 8
-
$2,847 AUD
$2,000 USD
View
Price last confirmed 22 days ago
Retailer 9
-
$3,106 AUD
ZAR 35,242 ZAR
View
Price last confirmed 26 days ago
Retailer 10
-
$3,313 AUD
View
Price last confirmed 25 days ago
Most Expensive
B+
MOH London
FAAA90EC6 · Oct 29
$4,229 AUD
£2,339 GBP
View
10 more retailers have this diamond
Prices start from $1,889 AUDSave up to $2,340 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
$1,889 AUD