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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 €644 EUR
$719 USD
As of October 31, 2026
Save €1,163 EUR (64%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €1,807 EUR 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 €644 to €1,807, a €1,163 spread on the same certified stone. Moon Ocean lists it at €1,807. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: €1,807 EUR|Low: €644 EUR|High: €2,125 EUR|Avg: €1,017 EUR|-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€644 EUR
Retailer 10€694 EUR
Retailer 6€698 EUR
Retailer 11€709 EUR
Retailer 5€798 EUR
Retailer 7€803 EUR
Retailer 3€816 EUR
Retailer 2€839 EUR
Retailer 4€989 EUR
Retailer 8€1,286 EUR
Moon Ocean€1,807 EUR

36 data points across 11 retailers

11 retailers€644 EUR to €1,807 EUR

A
Cheapest Retailer
-
€644 EUR
$719 USD
Final sale: no returns
A
Retailer 2
-
€694 EUR
$775 USD
View
A
Retailer 3
-
€698 EUR
$780 USD
View
A
Retailer 4
-
€709 EUR
$792 USD
View
A
Retailer 5
-
€798 EUR
$891 USD
View
A
Retailer 6
-
€803 EUR
$897 USD
View
A
Retailer 7
-
€816 EUR
£717 GBP
View
A
Retailer 8
-
€839 EUR
£738 GBP
View
A
Retailer 9
-
€989 EUR
View
B+
Retailer 10
-
€1,286 EUR
£1,131 GBP
View
Most Expensive
B+
Moon Ocean
NVN-420623725-278 · Nov 1
€1,807 EUR
£1,589 GBP
View
10 more retailers have this diamond
Prices start from €644 EURSave up to €1,163 EUR

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
€644 EUR