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Cushion|Natural|GIA

1.01ct E SI2 Cushion Natural Diamond

EX • E/SI2 • GIA 2181398354

Certificate GIA 2181398354

Diamond specifications and retailer prices

From $1,630 AUD
As of November 6, 2026
Save $2,044 AUD (56%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $3,675 AUD at MOH London · As of November 1, 2026
View at MOH London

About this 1.01ct natural cushion diamond

This 1.01ct 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 2181398354. Listed at 17 retailers as of November 1, 2026, with prices from $1,630 to $3,675, a $2,044 spread on the same certified stone. MOH London lists it at $3,675. 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

1.01
Carat
E
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishGood
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2181398354
Dimensions6.19 × 5.78 × 3.11 mm
L/W Ratio1.07
Top View
6.19 mm5.78 mm1.01 ctE / SI2
OriginNatural
CutExcellent
PolishGood
SymmetryGood
FluorescenceNone
CertificateGIA 2181398354
Side View
Table 66.0%CrownGirdle: Very ThickPavilionCulet: NDepth 53.8%

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: $3,675 AUD|Low: $1,359 AUD|High: $3,719 AUD|Avg: $2,237 AUD|-0.2%
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
November 6, 2026
Retailer 9$1,630 AUD
Retailer 10$1,659 AUD
Retailer 11$1,754 AUD
Retailer 7$1,761 AUD
Retailer 4$1,809 AUD
Retailer 12$1,899 AUD
Retailer 3$2,014 AUD
Retailer 5$2,024 AUD
Retailer 13$2,099 AUD
Retailer 8$2,316 AUD
Retailer 15$2,385 AUD
Retailer 6$2,588 AUD
Retailer 2$2,904 AUD
Retailer 14$2,991 AUD
MOH London$3,675 AUD

45 data points across 15 retailers

17 retailers$1,630 AUD to $3,675 AUD

A
Cheapest Retailer
-
$1,630 AUD
Retailer 2
-
$1,659 AUD
View
Price last confirmed 12 days ago
A
Retailer 3
-
$1,754 AUD
View
Final sale: no returns
A
Retailer 4
-
$1,761 AUD
View
A
Retailer 5
-
$1,774 AUD
View
A
Retailer 6
-
$1,809 AUD
View
Retailer 7
-
$1,899 AUD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$1,981 AUD
View
B+
Retailer 9
-
$2,014 AUD
View
B+
Retailer 10
-
$2,024 AUD
View
B+
Retailer 11
-
$2,201 AUD
View
B+
Retailer 12
-
$2,316 AUD
View
B+
Retailer 13
-
$2,385 AUD
View
B+
Retailer 14
-
$2,588 AUD
View
B+
Retailer 15
-
$2,904 AUD
View
B+
Retailer 16
-
$2,991 AUD
View
Most Expensive
B+
MOH London
C39792079 · Nov 1
$3,675 AUD
£1,988 GBP
View
16 more retailers have this diamond
Prices start from $1,630 AUDSave up to $2,044 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
1.01ct Cushion
$1,630 AUD