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Cushion|Natural|GIA

0.90ct H SI2 Cushion Natural Diamond

EX • H/SI2 • GIA 7506658278

Certificate GIA 7506658278

Diamond specifications and retailer prices

From $1,024 AUD
$719 USD
As of October 31, 2026
Save $1,850 AUD (64%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $2,874 AUD at Moon Ocean · As of November 1, 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7506658278. Listed at 11 retailers as of October 31, 2026, with prices from $1,024 to $2,874, a $1,850 spread on the same certified stone. Moon Ocean lists it at $2,874. 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

0.90
Carat
H
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 7506658278
Dimensions5.30 × 5.01 × 3.79 mm
L/W Ratio1.06
Culet sizeNone
Key to symbols
Feather, Crystal
Top View
5.30 mm5.01 mm0.90 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 7506658278
Side View
Table 62.0%CrownGirdle: VTK-ETKPavilionCulet: NoneDepth 75.7%

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: Oct 31
Current: $2,874 AUD|Low: $1,024 AUD|High: $3,380 AUD|Avg: $1,618 AUD|-14.6%
Moon Ocean
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 9$1,024 AUD
Retailer 10$1,103 AUD
Retailer 6$1,110 AUD
Retailer 11$1,127 AUD
Retailer 5$1,268 AUD
Retailer 7$1,277 AUD
Retailer 3$1,297 AUD
Retailer 2$1,335 AUD
Retailer 4$1,573 AUD
Retailer 8$2,045 AUD
Moon Ocean$2,874 AUD

36 data points across 11 retailers

11 retailers$1,024 AUD to $2,874 AUD

A
Cheapest Retailer
-
$1,024 AUD
$719 USD
Final sale: no returns
A
Retailer 2
-
$1,103 AUD
$775 USD
View
A
Retailer 3
-
$1,110 AUD
$780 USD
View
A
Retailer 4
-
$1,127 AUD
$792 USD
View
A
Retailer 5
-
$1,268 AUD
$891 USD
View
A
Retailer 6
-
$1,277 AUD
$897 USD
View
A
Retailer 7
-
$1,297 AUD
£717 GBP
View
A
Retailer 8
-
$1,335 AUD
£738 GBP
View
A
Retailer 9
-
$1,573 AUD
€1,052 EUR
View
B+
Retailer 10
-
$2,045 AUD
£1,131 GBP
View
Most Expensive
B+
Moon Ocean
NVN-420623725-278 · Nov 1
$2,874 AUD
£1,589 GBP
View
10 more retailers have this diamond
Prices start from $1,024 AUDSave up to $1,850 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
0.90ct Cushion
$1,024 AUD