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Cushion|Natural|GIA

1.00ct H SI2 Cushion Natural Diamond

VG • H/SI2 • GIA 2566089377

Certificate GIA 2566089377

Diamond specifications and retailer prices

From $1,498 AUD
As of November 6, 2026
Save $2,003 AUD (57%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $3,501 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 2566089377. Listed at 13 retailers as of November 4, 2026, with prices from $1,498 to $3,501, a $2,003 spread on the same certified stone. MOH London lists it at $3,501. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.00
Carat
H
Colour
SI2
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2566089377
Dimensions6.49 × 5.00 × 3.45 mm
L/W Ratio1.30
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Indented Natural, Cloud, Needle
Top View
6.49 mm5.00 mm1.00 ctH / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2566089377
Side View
Table 67.0%CrownGirdle: THN-XTKPavilionCulet: NoneDepth 68.9%

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: $3,501 AUD|Low: $1,498 AUD|High: $3,553 AUD|Avg: $2,096 AUD|-1.5%
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 6$1,498 AUD
Retailer 10$1,720 AUD
Retailer 4$1,770 AUD
Retailer 3$1,806 AUD
Retailer 7$1,885 AUD
Retailer 2$1,942 AUD
Retailer 5$1,965 AUD
Retailer 11$2,033 AUD
Retailer 12$2,059 AUD
Retailer 9$2,154 AUD
Retailer 8$2,660 AUD
MOH London$3,501 AUD

28 data points across 12 retailers

13 retailers$1,498 AUD to $3,501 AUD

A
Cheapest Retailer
-
$1,498 AUD
A
Retailer 2
-
$1,720 AUD
View
A
Retailer 3
-
$1,770 AUD
View
Final sale: no returns
A
Retailer 4
-
$1,806 AUD
View
A
Retailer 5
-
$1,885 AUD
View
A
Retailer 6
-
$1,942 AUD
View
A
Retailer 7
-
$1,965 AUD
View
A
Retailer 8
-
$2,033 AUD
View
B+
Retailer 9
-
$2,059 AUD
View
B+
Retailer 10
-
$2,113 AUD
View
B+
Retailer 11
-
$2,154 AUD
View
B+
Retailer 12
-
$2,660 AUD
View
Most Expensive
B
MOH London
670316AEE · Nov 4
$3,501 AUD
£1,894 GBP
View
12 more retailers have this diamond
Prices start from $1,498 AUDSave up to $2,003 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
$1,498 AUD