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Cushion|Natural|GIA

1.01ct I SI1 Cushion Natural Diamond

EX • I/SI1 • GIA 6552450117

Certificate GIA 6552450117

Diamond specifications and retailer prices

From $1,825 AUD
As of November 6, 2026
Save $2,225 AUD (55%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $4,050 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 I 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 6552450117. Listed at 21 retailers as of November 4, 2026, with prices from $1,825 to $4,050, a $2,225 spread on the same certified stone. MOH London lists it at $4,050. 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
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.31°
Pavilion angle55.2°
OriginNatural
Grading LabGIA
CertificateGIA 6552450117
Dimensions6.21 × 5.46 × 3.79 mm
L/W Ratio1.14
Culet sizeNone
Key to symbols
Crystal, Feather, Needle
Top View
6.21 mm5.46 mm1.01 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6552450117
Side View
Table 64.0%Crown 41.31°Girdle: THN-THKPavilion 55.2°Culet: NoneDepth 69.5%

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: $4,050 AUD|Low: $1,825 AUD|High: $4,081 AUD|Avg: $2,544 AUD|-0.8%
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 12$1,825 AUD
Retailer 2$1,827 AUD
Retailer 3$2,049 AUD
Retailer 9$2,221 AUD
Retailer 5$2,247 AUD
Retailer 4$2,438 AUD
Retailer 11$2,492 AUD
Retailer 7$2,535 AUD
Retailer 8$2,570 AUD
Retailer 10$2,828 AUD
Retailer 6$3,148 AUD
MOH London$4,050 AUD

25 data points across 12 retailers

21 retailers$1,825 AUD to $4,050 AUD

A
Cheapest Retailer
-
$1,825 AUD
A
Retailer 2
-
$1,827 AUD
View
A
Retailer 3
-
$2,049 AUD
View
A
Retailer 4
-
$2,126 AUD
View
A
Retailer 5
-
$2,138 AUD
View
Final sale: no returns
A
Retailer 6
-
$2,148 AUD
View
A
Retailer 7
-
$2,221 AUD
View
A
Retailer 8
-
$2,247 AUD
View
Retailer 9
-
$2,317 AUD
View
Price last confirmed 9 days ago
B+
Retailer 10
-
$2,438 AUD
View
A
Retailer 11
-
$2,492 AUD
View
A
Retailer 12
-
$2,515 AUD
View
A
Retailer 13
-
$2,535 AUD
View
A
Retailer 14
-
$2,557 AUD
View
A
Retailer 15
-
$2,570 AUD
View
B+
Retailer 16
-
$2,828 AUD
View
Retailer 17
-
$3,023 AUD
View
Price last confirmed 33 days ago
B+
Retailer 18
-
$3,148 AUD
View
B+
Retailer 19
-
$3,423 AUD
View
B
Retailer 20
-
$3,518 AUD
View
Most Expensive
B+
MOH London
3991CD258 · Nov 4
$4,050 AUD
£2,191 GBP
View
20 more retailers have this diamond
Prices start from $1,825 AUDSave up to $2,225 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
$1,825 AUD