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Cushion|Natural|GIA

0.90ct I SI2 Cushion Natural Diamond

EX • I/SI2 • GIA 5556687668

Certificate GIA 5556687668

Diamond specifications and retailer prices

From $876 AUD
$616 USD
As of October 28, 2026
Save $1,320 AUD (60%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $2,196 AUD at MOH London · As of October 26, 2026
View at MOH London

About this 0.9ct natural cushion diamond

This 0.9ct natural cushion sits in the just-under-one-carat band, graded I 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 5556687668. Listed at 3 retailers as of October 26, 2026, with prices from $876 to $2,196, a $1,320 spread on the same certified stone. MOH London lists it at $2,196. 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
I
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 5556687668
Dimensions5.49 × 5.36 × 3.63 mm
L/W Ratio1.02
Key to symbols
Crystal, Cloud
Top View
5.49 mm5.36 mm0.90 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 5556687668
Side View
Table 65.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 67.8%

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 28
Current: $2,196 AUD|Low: $687 AUD|High: $2,308 AUD|Avg: $1,399 AUD|+12.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
October 26, 2026
Retailer 2$876 AUD
Retailer 4$1,308 AUD
Retailer 3$1,399 AUD
MOH London$2,196 AUD

21 data points across 4 retailers

3 retailers$876 AUD to $2,196 AUD

A
Cheapest Retailer
-
$876 AUD
$616 USD
Final sale: no returns
A
Retailer 2
-
$1,399 AUD
€937 EUR
View
Most Expensive
B
MOH London
82D876451 · Oct 26
$2,196 AUD
£1,216 GBP
View
2 more retailers have this diamond
Prices start from $876 AUDSave up to $1,320 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
$876 AUD