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Cushion|Natural|GIA

1.01ct J SI1 Cushion Natural Diamond

ID • J/SI1 • GIA 7551373054

Certificate GIA 7551373054

Diamond specifications and retailer prices

From $1,639 AUD
As of November 6, 2026
Save $2,141 AUD (57%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $3,780 AUD at MOH London · As of November 2, 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 7551373054. Listed at 18 retailers as of November 2, 2026, with prices from $1,639 to $3,780, a $2,141 spread on the same certified stone. MOH London lists it at $3,780. 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
OriginNatural
Grading LabGIA
CertificateGIA 7551373054
Dimensions5.99 × 5.72 × 3.81 mm
L/W Ratio1.05
Girdle conditionFaceted
Top View
5.99 mm5.72 mm1.01 ctJ / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7551373054
Side View
Table 65.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 66.7%

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: $3,780 AUD|Low: $1,620 AUD|High: $3,902 AUD|Avg: $2,334 AUD|-3.1%
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
Retailer 16
Retailer 17
November 6, 2026
Retailer 16$1,639 AUD
Retailer 4$1,643 AUD
Retailer 3$1,805 AUD
Retailer 12$1,895 AUD
Retailer 6$1,918 AUD
Retailer 15$1,965 AUD
Retailer 14$2,022 AUD
Retailer 7$2,071 AUD
Retailer 8$2,110 AUD
Retailer 10$2,123 AUD
Retailer 17$2,202 AUD
Retailer 5$2,364 AUD
Retailer 11$2,633 AUD
Retailer 9$2,879 AUD
Retailer 2$2,986 AUD
Retailer 13$3,328 AUD
MOH London$3,780 AUD

30 data points across 17 retailers

18 retailers$1,639 AUD to $3,780 AUD

A
Cheapest Retailer
-
$1,639 AUD
A
Retailer 2
-
$1,643 AUD
View
A
Retailer 3
-
$1,805 AUD
View
Final sale: no returns
A
Retailer 4
-
$1,895 AUD
View
A
Retailer 5
-
$1,918 AUD
View
A
Retailer 6
-
$1,965 AUD
View
A
Retailer 7
-
$2,022 AUD
View
A
Retailer 8
-
$2,071 AUD
View
A
Retailer 9
-
$2,110 AUD
View
A
Retailer 10
-
$2,123 AUD
View
B+
Retailer 11
-
$2,202 AUD
View
B+
Retailer 12
-
$2,364 AUD
View
B+
Retailer 13
-
$2,438 AUD
View
B+
Retailer 14
-
$2,633 AUD
View
Retailer 15
-
$2,879 AUD
View
Price last confirmed 33 days ago
B+
Retailer 16
-
$2,986 AUD
View
B
Retailer 17
-
$3,328 AUD
View
Most Expensive
B
MOH London
24CE1C5E7 · Nov 2
$3,780 AUD
£2,045 GBP
View
17 more retailers have this diamond
Prices start from $1,639 AUDSave up to $2,141 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
$1,639 AUD