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Cushion|Natural|GIA

1.00ct I SI1 Cushion Natural Diamond

EX • I/SI1 • GIA 2567179261

Certificate GIA 2567179261

Diamond specifications and retailer prices

From $1,709 AUD
As of November 6, 2026
Save $7,101 AUD (81%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $11,502 AUD at MOH London · As of November 2, 2026
View at MOH London

About this 1ct natural cushion diamond

This 1ct 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 2567179261. Listed at 13 retailers as of November 5, 2026, with a 416% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.00
Carat
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2567179261
Dimensions6.28 × 5.03 × 3.53 mm
L/W Ratio1.25
Culet sizeNone
Top View
6.28 mm5.03 mm1.00 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2567179261
Side View
Table 61.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 70.2%

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: $11,502 AUD|Low: $1,709 AUD|High: $11,502 AUD|Avg: $3,475 AUD
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
November 6, 2026
Retailer 2$1,709 AUD
Retailer 3$1,994 AUD
Retailer 9$2,001 AUD
Retailer 5$2,532 AUD
Retailer 7$2,895 AUD
Retailer 6$2,966 AUD
Retailer 4$6,222 AUD
Retailer 13$6,490 AUD
Retailer 10$6,666 AUD
Retailer 12$6,797 AUD
Retailer 11$7,043 AUD
Retailer 8$8,810 AUD
MOH London$11,502 AUD

37 data points across 13 retailers

13 retailers$1,709 AUD to $8,810 AUD

A
Cheapest Retailer
-
$1,709 AUD
A
Retailer 2
-
$1,994 AUD
View
A
Retailer 3
-
$2,001 AUD
View
A
Retailer 4
-
$2,532 AUD
View
B+
Retailer 5
-
$2,895 AUD
View
B+
Retailer 6
-
$2,966 AUD
View
B
Retailer 7
-
$6,222 AUD
View
B
Retailer 8
-
$6,490 AUD
View
B
Retailer 9
-
$6,666 AUD
View
Final sale: no returns
B
Retailer 10
-
$6,797 AUD
View
B
Retailer 11
-
$7,043 AUD
View
C
Retailer 12
-
$8,810 AUD
View
Most Expensive
MOH London
95EABBD5F · Nov 2
$11,502 AUD
£6,223 GBP
View
Price under review
12 more retailers have this diamond
Prices start from $1,709 AUDSave up to $7,101 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
1.00ct Cushion
$1,709 AUD