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Cushion|Natural|GIA

1.00ct H SI1 Cushion Natural Diamond

EX • H/SI1 • GIA 2567405496

Certificate GIA 2567405496

Diamond specifications and retailer prices

From $1,561 AUD
₹104,458 INR
As of November 1, 2026
Save $2,080 AUD (57%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $3,641 AUD at MOH London · As of November 1, 2026
View at MOH London

About this 1ct natural cushion diamond

This 1ct natural cushion sits in the classic one-carat band, graded H 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 2567405496. Listed at 12 retailers as of November 1, 2026, with prices from $1,561 to $3,641, a $2,080 spread on the same certified stone. MOH London lists it at $3,641. 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
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.29°
Pavilion angle34.71°
OriginNatural
Grading LabGIA
CertificateGIA 2567405496
Dimensions5.63 × 5.58 × 3.79 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal, Feather, Needle
Top View
5.63 mm5.58 mm1.00 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2567405496
Side View
Table 62.0%Crown 40.29°Girdle: MED-THKPavilion 34.71°Culet: NoneDepth 68.0%

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 1
Current: $3,641 AUD|Low: $1,561 AUD|High: $3,753 AUD|Avg: $2,341 AUD|-3.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 5$1,561 AUD
Retailer 6$1,926 AUD
Retailer 3$1,979 AUD
Retailer 8$2,027 AUD
Retailer 4$2,098 AUD
Retailer 11$2,235 AUD
Retailer 7$2,272 AUD
Retailer 2$2,318 AUD
Retailer 10$2,565 AUD
Retailer 9$2,927 AUD
MOH London$3,641 AUD

26 data points across 11 retailers

12 retailers$1,561 AUD to $3,641 AUD

A
Cheapest Retailer
-
$1,561 AUD
₹104,458 INR
A
Retailer 2
-
$1,926 AUD
$1,353 USD
View
A
Retailer 3
-
$1,979 AUD
$1,390 USD
View
A
Retailer 4
-
$2,027 AUD
£1,121 GBP
View
A
Retailer 5
-
$2,098 AUD
$1,474 USD
View
A
Retailer 6
-
$2,235 AUD
$1,570 USD
View
A
Retailer 7
-
$2,272 AUD
$1,596 USD
View
A
Retailer 8
-
$2,318 AUD
£1,282 GBP
View
A
Retailer 9
-
$2,565 AUD
ZAR 29,112 ZAR
View
Retailer 10
-
$2,783 AUD
View
Price last confirmed 27 days ago
B+
Retailer 11
-
$2,927 AUD
€1,958 EUR
View
Most Expensive
B
MOH London
A40121B8E · Nov 1
$3,641 AUD
£2,014 GBP
View
11 more retailers have this diamond
Prices start from $1,561 AUDSave up to $2,080 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
$1,561 AUD