Cushion|Natural|GIA

0.90ct K SI1 Cushion Natural Diamond

EX • K/SI1 • GIA 5566324733

Certificate GIA 5566324733

Diamond specifications and retailer prices

From $1,166 CAD
As of November 6, 2026
Save $1,252 CAD (52%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $2,418 CAD at Moon Ocean · As of November 6, 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5566324733. Listed at 5 retailers as of November 6, 2026, with prices from $1,166 to $2,418, a $1,252 spread on the same certified stone. Moon Ocean lists it at $2,418. 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
K
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5566324733
Dimensions6.16 × 4.97 × 3.26 mm
L/W Ratio1.24
Key to symbols
Crystal, Feather
Top View
6.16 mm4.97 mm0.90 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5566324733
Side View
Table 63.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 65.6%

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: Nov 6
Current: $2,418 CAD|Low: $1,000 CAD|High: $2,591 CAD|Avg: $1,843 CAD|-5.7%
Moon Ocean
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 4$1,166 CAD
Retailer 5$1,511 CAD
Retailer 2$1,695 CAD
Retailer 3$2,310 CAD
Moon Ocean$2,418 CAD

44 data points across 5 retailers

5 retailers$1,166 CAD to $2,418 CAD

A
Cheapest Retailer
-
$1,166 CAD
Final sale: no returns
B+
Retailer 2
-
$1,511 CAD
View
B+
Retailer 3
-
$1,695 CAD
View
B+
Retailer 4
-
$2,310 CAD
View
Most Expensive
B
Moon Ocean
NVN-FEB50EF55-733 · Nov 6
$2,418 CAD
£1,353 GBP
View
4 more retailers have this diamond
Prices start from $1,166 CADSave up to $1,252 CAD

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
$1,166 CAD