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Cushion|Natural|GIA

1.00ct G SI2 Cushion Natural Diamond

VG • G/SI2 • GIA 1528811405

Certificate GIA 1528811405

Diamond specifications and retailer prices

From $1,981 NZD
As of November 6, 2026
Save $2,684 NZD (58%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $4,664 NZD 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 G 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 1528811405. Listed at 12 retailers as of November 2, 2026, with prices from $1,981 to $4,664, a $2,684 spread on the same certified stone. MOH London lists it at $4,664. 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
G
Colour
SI2
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1528811405
Dimensions6.80 × 5.22 × 3.52 mm
L/W Ratio1.30
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Cloud, Crystal, Feather, Needle, Indented Natural
Top View
6.80 mm5.22 mm1.00 ctG / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1528811405
Side View
Table 65.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 67.5%

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: $4,664 NZD|Low: $1,981 NZD|High: $4,845 NZD|Avg: $2,868 NZD|-3.7%
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$1,981 NZD
Retailer 10$2,089 NZD
Retailer 11$2,334 NZD
Retailer 9$2,466 NZD
Retailer 4$2,617 NZD
Retailer 8$2,805 NZD
Retailer 3$2,906 NZD
Retailer 6$2,939 NZD
Retailer 7$2,946 NZD
Retailer 5$3,687 NZD
MOH London$4,664 NZD

22 data points across 11 retailers

12 retailers$1,981 NZD to $4,664 NZD

A
Cheapest Retailer
-
$1,981 NZD
A
Retailer 2
-
$2,089 NZD
View
Final sale: no returns
A
Retailer 3
-
$2,334 NZD
View
A
Retailer 4
-
$2,466 NZD
View
A
Retailer 5
-
$2,617 NZD
View
A
Retailer 6
-
$2,805 NZD
View
A
Retailer 7
-
$2,906 NZD
View
A
Retailer 8
-
$2,928 NZD
View
A
Retailer 9
-
$2,939 NZD
View
A
Retailer 10
-
$2,946 NZD
View
B+
Retailer 11
-
$3,687 NZD
View
Most Expensive
B+
MOH London
063664E99 · Nov 2
$4,664 NZD
£2,036 GBP
View
11 more retailers have this diamond
Prices start from $1,981 NZDSave up to $2,684 NZD

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
$1,981 NZD