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Cushion|Natural|GIA

1.00ct K SI1 Cushion Natural Diamond

EX • K/SI1 • GIA 7526202437

Certificate GIA 7526202437

Diamond specifications and retailer prices

From $1,368 AUD
As of November 5, 2026
Save $1,417 AUD (51%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $2,785 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7526202437. Listed at 11 retailers as of November 2, 2026, with prices from $1,368 to $2,785, a $1,417 spread on the same certified stone. MOH London lists it at $2,785. 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
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 7526202437
Dimensions5.63 × 5.43 × 3.95 mm
L/W Ratio1.04
Girdle conditionFaceted
Key to symbols
Crystal, Indented Natural, Pinpoint, Needle
Top View
5.63 mm5.43 mm1.00 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7526202437
Side View
Table 64.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 72.7%

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 5
Current: $2,785 AUD|Low: $1,368 AUD|High: $2,819 AUD|Avg: $1,783 AUD|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 8$1,368 AUD
Retailer 10$1,457 AUD
Retailer 2$1,474 AUD
Retailer 6$1,477 AUD
Retailer 7$1,521 AUD
Retailer 9$1,725 AUD
Retailer 4$1,765 AUD
Retailer 5$1,856 AUD
Retailer 3$1,965 AUD
MOH London$2,785 AUD

38 data points across 10 retailers

11 retailers$1,368 AUD to $2,785 AUD

A
Cheapest Retailer
-
$1,368 AUD
A
Retailer 2
-
$1,457 AUD
View
A
Retailer 3
-
$1,474 AUD
View
A
Retailer 4
-
$1,477 AUD
View
Retailer 5
-
$1,521 AUD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$1,643 AUD
View
B+
Retailer 7
-
$1,725 AUD
View
A
Retailer 8
-
$1,765 AUD
View
A
Retailer 9
-
$1,856 AUD
View
A
Retailer 10
-
$1,965 AUD
View
Most Expensive
B
MOH London
8AA58BDB9 · Nov 2
$2,785 AUD
£1,507 GBP
View
10 more retailers have this diamond
Prices start from $1,368 AUDSave up to $1,417 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
$1,368 AUD