Cushion|Natural|GIA

1.01ct E SI2 Cushion Natural Diamond

ID • E/SI2 • GIA 1553373090

Certificate GIA 1553373090

Diamond specifications and retailer prices

From $1,880 AUD
As of November 6, 2026
Save $2,293 AUD (55%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $4,174 AUD at MOH London · As of November 4, 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 1553373090. Listed at 13 retailers as of November 4, 2026, with prices from $1,880 to $4,174, a $2,293 spread on the same certified stone. MOH London lists it at $4,174. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1553373090
Dimensions5.80 × 5.78 × 3.85 mm
L/W Ratio1.00
Girdle conditionFaceted
Top View
5.80 mm5.78 mm1.01 ctE / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1553373090
Side View
Table 64.0%CrownGirdle: THN-THKPavilionCulet: NoneDepth 66.5%

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: $4,174 AUD|Low: $1,844 AUD|High: $4,602 AUD|Avg: $2,646 AUD|-9.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 10$1,880 AUD
Retailer 12$1,997 AUD
Retailer 2$2,033 AUD
Retailer 7$2,093 AUD
Retailer 3$2,218 AUD
Retailer 9$2,270 AUD
Retailer 4$2,339 AUD
Retailer 11$2,464 AUD
Retailer 6$2,649 AUD
Retailer 5$3,243 AUD
Retailer 8$3,858 AUD
MOH London$4,174 AUD

33 data points across 12 retailers

13 retailers$1,880 AUD to $4,174 AUD

A
Cheapest Retailer
-
$1,880 AUD
A
Retailer 2
-
$1,997 AUD
View
Final sale: no returns
A
Retailer 3
-
$2,033 AUD
View
A
Retailer 4
-
$2,093 AUD
View
A
Retailer 5
-
$2,218 AUD
View
A
Retailer 6
-
$2,270 AUD
View
A
Retailer 7
-
$2,339 AUD
View
A
Retailer 8
-
$2,464 AUD
View
A
Retailer 9
-
$2,649 AUD
View
A
Retailer 10
-
$2,741 AUD
View
A
Retailer 11
-
$3,243 AUD
View
B+
Retailer 12
-
$3,858 AUD
View
Most Expensive
B+
MOH London
4F4DE3693 · Nov 4
$4,174 AUD
£2,258 GBP
View
12 more retailers have this diamond
Prices start from $1,880 AUDSave up to $2,293 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
$1,880 AUD