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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 $919 SGD
$719 USD
As of October 31, 2026
Save $1,661 SGD (64%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $2,580 SGD 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 $919 to $2,580, a $1,661 spread on the same certified stone. Moon Ocean lists it at $2,580. 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: $2,580 SGD|Low: $919 SGD|High: $3,036 SGD|Avg: $1,453 SGD|-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$919 SGD
Retailer 10$991 SGD
Retailer 6$997 SGD
Retailer 11$1,012 SGD
Retailer 5$1,139 SGD
Retailer 7$1,147 SGD
Retailer 3$1,165 SGD
Retailer 2$1,199 SGD
Retailer 4$1,412 SGD
Retailer 8$1,836 SGD
Moon Ocean$2,580 SGD

36 data points across 11 retailers

11 retailers$919 SGD to $2,580 SGD

A
Cheapest Retailer
-
$919 SGD
$719 USD
Final sale: no returns
A
Retailer 2
-
$991 SGD
$775 USD
View
A
Retailer 3
-
$997 SGD
$780 USD
View
A
Retailer 4
-
$1,012 SGD
$792 USD
View
A
Retailer 5
-
$1,139 SGD
$891 USD
View
A
Retailer 6
-
$1,147 SGD
$897 USD
View
A
Retailer 7
-
$1,165 SGD
£717 GBP
View
A
Retailer 8
-
$1,199 SGD
£738 GBP
View
A
Retailer 9
-
$1,412 SGD
€1,052 EUR
View
B+
Retailer 10
-
$1,836 SGD
£1,131 GBP
View
Most Expensive
B+
Moon Ocean
NVN-420623725-278 · Nov 1
$2,580 SGD
£1,589 GBP
View
10 more retailers have this diamond
Prices start from $919 SGDSave up to $1,661 SGD

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
$919 SGD