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Cushion|Natural|GIA

1.00ct F SI1 Cushion Natural Diamond

EX • F/SI1 • GIA 7451873531

Certificate GIA 7451873531

Diamond specifications and retailer prices

From $1,658 AUD
As of November 6, 2026
Save $2,259 AUD (58%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $3,917 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7451873531. Listed at 18 retailers as of November 4, 2026, with prices from $1,658 to $3,917, a $2,259 spread on the same certified stone. MOH London lists it at $3,917. 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
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7451873531
Dimensions5.66 × 4.93 × 3.88 mm
L/W Ratio1.15
Top View
5.66 mm4.93 mm1.00 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryGood
FluorescenceNone
CertificateGIA 7451873531
Side View
Table 59.0%CrownGirdle: ThickPavilionCulet: NoneDepth 78.8%

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: $3,917 AUD|Low: $1,866 AUD|High: $3,976 AUD|Avg: $2,536 AUD|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 2$1,866 AUD
Retailer 3$2,068 AUD
Retailer 11$2,081 AUD
Retailer 8$2,088 AUD
Retailer 4$2,174 AUD
Retailer 9$2,241 AUD
Retailer 10$2,448 AUD
Retailer 7$2,476 AUD
Retailer 6$2,736 AUD
Retailer 5$3,045 AUD
MOH London$3,917 AUD

31 data points across 11 retailers

18 retailers$1,658 AUD to $3,917 AUD

A
Cheapest Retailer
-
$1,658 AUD
A
Retailer 2
-
$1,866 AUD
View
A
Retailer 3
-
$2,068 AUD
View
Final sale: no returns
A
Retailer 4
-
$2,078 AUD
View
A
Retailer 5
-
$2,081 AUD
View
A
Retailer 6
-
$2,088 AUD
View
A
Retailer 7
-
$2,164 AUD
View
A
Retailer 8
-
$2,174 AUD
View
Retailer 9
-
$2,241 AUD
View
Price last confirmed 9 days ago
A
Retailer 10
-
$2,313 AUD
View
A
Retailer 11
-
$2,439 AUD
View
A
Retailer 12
-
$2,448 AUD
View
A
Retailer 13
-
$2,476 AUD
View
A
Retailer 14
-
$2,736 AUD
View
Retailer 15
-
$2,925 AUD
View
Price last confirmed 33 days ago
B+
Retailer 16
-
$3,045 AUD
View
B+
Retailer 17
-
$3,449 AUD
View
Most Expensive
B+
MOH London
9DFF2F2D9 · Nov 4
$3,917 AUD
£2,119 GBP
View
17 more retailers have this diamond
Prices start from $1,658 AUDSave up to $2,259 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
$1,658 AUD