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Cushion|Natural|GIA

1.01ct J SI1 Cushion Natural Diamond

ID • J/SI1 • GIA 5443239565

Certificate GIA 5443239565

Diamond specifications and retailer prices

From $1,802 AUD
As of November 6, 2026
Save $2,213 AUD (55%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $4,015 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 J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5443239565. Listed at 21 retailers as of November 4, 2026, with prices from $1,802 to $4,015, a $2,213 spread on the same certified stone. MOH London lists it at $4,015. 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
J
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.66°
Pavilion angle63.84°
OriginNatural
Grading LabGIA
CertificateGIA 5443239565
Dimensions5.84 × 5.79 × 4.00 mm
L/W Ratio1.01
Top View
5.84 mm5.79 mm1.01 ctJ / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5443239565
Side View
Table 63.0%Crown 34.66°Girdle: THN-STKPavilion 63.84°Culet: NoneDepth 69.0%

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: $4,015 AUD|Low: $1,802 AUD|High: $4,046 AUD|Avg: $2,578 AUD|-0.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 2$1,802 AUD
Retailer 6$2,192 AUD
Retailer 3$2,228 AUD
Retailer 9$2,416 AUD
Retailer 8$2,464 AUD
Retailer 5$2,547 AUD
Retailer 7$2,803 AUD
Retailer 4$3,120 AUD
MOH London$4,015 AUD

26 data points across 9 retailers

21 retailers$1,802 AUD to $4,015 AUD

A
Cheapest Retailer
-
$1,802 AUD
A
Retailer 2
-
$2,014 AUD
View
B+
Retailer 3
-
$2,100 AUD
View
B+
Retailer 4
-
$2,121 AUD
View
Final sale: no returns
B+
Retailer 5
-
$2,129 AUD
View
B+
Retailer 6
-
$2,192 AUD
View
B+
Retailer 7
-
$2,228 AUD
View
Retailer 8
-
$2,297 AUD
View
Price last confirmed 9 days ago
B+
Retailer 9
-
$2,372 AUD
View
B+
Retailer 10
-
$2,416 AUD
View
B+
Retailer 11
-
$2,464 AUD
View
B+
Retailer 12
-
$2,495 AUD
View
B+
Retailer 13
-
$2,502 AUD
View
B+
Retailer 14
-
$2,535 AUD
View
B+
Retailer 15
-
$2,540 AUD
View
B+
Retailer 16
-
$2,547 AUD
View
B+
Retailer 17
-
$2,803 AUD
View
Retailer 18
-
$2,997 AUD
View
Price last confirmed 33 days ago
B+
Retailer 19
-
$3,120 AUD
View
B
Retailer 20
-
$3,470 AUD
View
Most Expensive
B
MOH London
69ECC1AB7 · Nov 4
$4,015 AUD
£2,172 GBP
View
20 more retailers have this diamond
Prices start from $1,802 AUDSave up to $2,213 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
$1,802 AUD