Cushion|Natural|GIA

0.90ct H SI2 Cushion Natural Diamond

EX • H/SI2 • GIA 7506658278

Certificate GIA 7506658278

Diamond specifications and retailer prices

From $719 USD
As of October 31, 2026
Save $1,299 USD (64%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $2,018 USD 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 $719 to $2,018, a $1,299 spread on the same certified stone. Moon Ocean lists it at $2,018. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $2,018 USD|Low: $719 USD|High: $2,374 USD|Avg: $1,136 USD|-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$719 USD
Retailer 10$775 USD
Retailer 6$780 USD
Retailer 11$792 USD
Retailer 5$891 USD
Retailer 7$897 USD
Retailer 3$911 USD
Retailer 2$938 USD
Retailer 4$1,105 USD
Retailer 8$1,436 USD
Moon Ocean$2,018 USD

36 data points across 11 retailers

11 retailers$719 USD to $2,018 USD

A
Cheapest Retailer
-
$719 USD
Final sale: no returns
A
Retailer 2
-
$775 USD
View
A
Retailer 3
-
$780 USD
View
A
Retailer 4
-
$792 USD
View
A
Retailer 5
-
$891 USD
View
A
Retailer 6
-
$897 USD
View
A
Retailer 7
-
$911 USD
£717 GBP
View
A
Retailer 8
-
$938 USD
£738 GBP
View
A
Retailer 9
-
$1,105 USD
€1,052 EUR
View
B+
Retailer 10
-
$1,436 USD
£1,131 GBP
View
Most Expensive
B+
Moon Ocean
NVN-420623725-278 · Nov 1
$2,018 USD
£1,589 GBP
View
10 more retailers have this diamond
Prices start from $719 USDSave up to $1,299 USD

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
$719 USD