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Cushion|Natural|GIA

1.00ct G SI1 Cushion Natural Diamond

ID • G/SI1 • GIA 1565218767

Certificate GIA 1565218767

Diamond specifications and retailer prices

From $1,746 AUD
As of November 6, 2026
Save $2,342 AUD (57%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $4,089 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 G 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 1565218767. Listed at 18 retailers as of November 4, 2026, with prices from $1,746 to $4,089, a $2,342 spread on the same certified stone. MOH London lists it at $4,089. 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
G
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1565218767
Dimensions6.80 × 5.07 × 3.50 mm
L/W Ratio1.34
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Indented Natural, Needle, Natural
Top View
6.80 mm5.07 mm1.00 ctG / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1565218767
Side View
Table 55.0%CrownGirdle: THK-XTKPavilionCulet: NoneDepth 69.1%

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: $4,089 AUD|Low: $1,746 AUD|High: $4,122 AUD|Avg: $2,552 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 5$1,746 AUD
Retailer 11$2,001 AUD
Retailer 4$2,033 AUD
Retailer 12$2,215 AUD
Retailer 6$2,269 AUD
Retailer 2$2,314 AUD
Retailer 3$2,330 AUD
Retailer 8$2,595 AUD
Retailer 10$2,610 AUD
Retailer 9$2,855 AUD
Retailer 7$3,179 AUD
MOH London$4,089 AUD

22 data points across 12 retailers

18 retailers$1,746 AUD to $4,089 AUD

A
Cheapest Retailer
-
$1,746 AUD
A
Retailer 2
-
$2,001 AUD
View
A
Retailer 3
-
$2,033 AUD
View
A
Retailer 4
-
$2,094 AUD
View
A
Retailer 5
-
$2,160 AUD
View
Final sale: no returns
A
Retailer 6
-
$2,215 AUD
View
A
Retailer 7
-
$2,269 AUD
View
A
Retailer 8
-
$2,314 AUD
View
A
Retailer 9
-
$2,330 AUD
View
Retailer 10
-
$2,340 AUD
View
Price last confirmed 30 days ago
A
Retailer 11
-
$2,452 AUD
View
A
Retailer 12
-
$2,538 AUD
View
A
Retailer 13
-
$2,595 AUD
View
A
Retailer 14
-
$2,610 AUD
View
A
Retailer 15
-
$2,855 AUD
View
Retailer 16
-
$3,164 AUD
View
Price last confirmed 33 days ago
B+
Retailer 17
-
$3,179 AUD
View
Most Expensive
B+
MOH London
DCBAC214F · Nov 4
$4,089 AUD
£2,212 GBP
View
17 more retailers have this diamond
Prices start from $1,746 AUDSave up to $2,342 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
$1,746 AUD