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Cushion|Natural|GIA

0.90ct G SI2 Cushion Natural Diamond

VG • G/SI2 • GIA 1428328163

Certificate GIA 1428328163

Diamond specifications and retailer prices

From $1,757 NZD
$990 USD
As of November 2, 2026
Save $1,752 NZD (50%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $4,990 NZD at Moon Ocean · As of September 30, 2026
View at Moon Ocean

About this 0.9ct natural cushion diamond

This 0.9ct natural cushion sits in the just-under-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 1428328163. Listed at 11 retailers as of October 29, 2026, with a 100% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

0.90
Carat
G
Colour
SI2
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle39.06°
Pavilion angle48.74°
OriginNatural
Grading LabGIA
CertificateGIA 1428328163
Dimensions5.54 × 5.13 × 3.56 mm
L/W Ratio1.08
Key to symbols
Crystal
Top View
5.54 mm5.13 mm0.90 ctG / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1428328163
Side View
Table 61.0%Crown 39.06°Girdle: MED-THKPavilion 48.74°Culet: NoneDepth 69.4%

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 2
Current: $4,990 NZD|Low: $1,611 NZD|High: $4,990 NZD|Avg: $2,491 NZD
Moon Ocean
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 6$1,757 NZD
Retailer 9$1,824 NZD
Retailer 7$1,828 NZD
Retailer 5$1,906 NZD
Retailer 10$2,106 NZD
Retailer 8$2,198 NZD
Retailer 3$2,248 NZD
Retailer 2$2,670 NZD
Retailer 4$3,508 NZD
Moon Ocean$4,990 NZD

43 data points across 10 retailers

11 retailers$1,757 NZD to $3,508 NZD

A
Cheapest Retailer
-
$1,757 NZD
$990 USD
Final sale: no returns
A
Retailer 2
-
$1,824 NZD
$1,028 USD
View
A
Retailer 3
-
$1,828 NZD
$1,030 USD
View
A
Retailer 4
-
$1,906 NZD
$1,074 USD
View
A
Retailer 5
-
$2,106 NZD
$1,187 USD
View
A
Retailer 6
-
$2,143 NZD
$1,208 USD
View
A
Retailer 7
-
$2,198 NZD
$1,239 USD
View
A
Retailer 8
-
$2,248 NZD
£997 GBP
View
B+
Retailer 9
-
$2,670 NZD
€1,433 EUR
View
B+
Retailer 10
-
$3,508 NZD
£1,557 GBP
View
Most Expensive
Moon Ocean
NVN-317C05FF1-163 · Sep 30
$4,990 NZD
£2,214 GBP
View
Price last confirmed 33 days ago
10 more retailers have this diamond
Prices start from $1,757 NZDSave up to $1,752 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
0.90ct Cushion
$1,757 NZD