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Cushion|Natural|GIA

1.00ct I SI2 Cushion Natural Diamond

EX • I/SI2 • GIA 1565717838

Certificate GIA 1565717838

Diamond specifications and retailer prices

From $1,499 AUD
As of November 6, 2026
Save $2,179 AUD (59%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $3,678 AUD at MOH London · As of November 4, 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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1565717838. Listed at 8 retailers as of November 4, 2026, with prices from $1,499 to $3,678, a $2,179 spread on the same certified stone. MOH London lists it at $3,678. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1565717838
Dimensions6.20 × 5.30 × 3.68 mm
L/W Ratio1.17
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather
Top View
6.20 mm5.30 mm1.00 ctI / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 1565717838
Side View
Table 65.0%CrownGirdle: MED-THKPavilionCulet: 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: $3,678 AUD|Low: $1,499 AUD|High: $3,693 AUD|Avg: $2,162 AUD|-0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 2$1,499 AUD
Retailer 5$1,859 AUD
Retailer 4$1,877 AUD
Retailer 3$1,979 AUD
Retailer 7$2,027 AUD
Retailer 6$2,209 AUD
MOH London$3,678 AUD

14 data points across 7 retailers

8 retailers$1,499 AUD to $3,678 AUD

A
Cheapest Retailer
-
$1,499 AUD
A
Retailer 2
-
$1,767 AUD
View
B+
Retailer 3
-
$1,859 AUD
View
Final sale: no returns
A
Retailer 4
-
$1,877 AUD
View
A
Retailer 5
-
$1,979 AUD
View
A
Retailer 6
-
$2,027 AUD
View
B+
Retailer 7
-
$2,209 AUD
View
Most Expensive
B
MOH London
2253317DC · Nov 4
$3,678 AUD
£1,990 GBP
View
7 more retailers have this diamond
Prices start from $1,499 AUDSave up to $2,179 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
$1,499 AUD