Cushion|Natural|GIA

0.90ct E SI1 Cushion Natural Diamond

EX • E/SI1 • GIA 1555245420

Certificate GIA 1555245420

Diamond specifications and retailer prices

From $1,200 CAD
HK$6,700 HKD
As of October 29, 2026
Save $1,642 CAD (58%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,842 CAD at MOH London · As of October 29, 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1555245420. Listed at 14 retailers as of October 29, 2026, with prices from $1,200 to $2,842, a $1,642 spread on the same certified stone. MOH London lists it at $2,842. 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
E
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34.3°
Pavilion angle34.9°
OriginNatural
Grading LabGIA
CertificateGIA 1555245420
Dimensions5.82 × 5.55 × 3.61 mm
L/W Ratio1.05
Top View
5.82 mm5.55 mm0.90 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1555245420
Side View
Table 66.0%Crown 34.3°Girdle: THN-THKPavilion 34.9°Culet: NoneDepth 65.1%

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 29
Current: $2,842 CAD|Low: $1,200 CAD|High: $2,981 CAD|Avg: $1,812 CAD|-4.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 30, 2026
Retailer 10$1,200 CAD
Retailer 8$1,290 CAD
Retailer 14$1,449 CAD
Retailer 9$1,493 CAD
Retailer 3$1,527 CAD
Retailer 11$1,582 CAD
Retailer 12$1,694 CAD
Retailer 2$1,750 CAD
Retailer 7$1,759 CAD
Retailer 5$1,763 CAD
Retailer 4$2,013 CAD
Retailer 6$2,219 CAD
Retailer 13$2,247 CAD
MOH London$2,842 CAD

32 data points across 14 retailers

14 retailers$1,200 CAD to $2,842 CAD

A
Cheapest Retailer
-
$1,200 CAD
HK$6,700 HKD
A
Retailer 2
-
$1,290 CAD
$922 USD
View
Final sale: no returns
A
Retailer 3
-
$1,449 CAD
$1,035 USD
View
A
Retailer 4
-
$1,493 CAD
$1,067 USD
View
A
Retailer 5
-
$1,527 CAD
$1,091 USD
View
A
Retailer 6
-
$1,582 CAD
$1,130 USD
View
A
Retailer 7
-
$1,694 CAD
$1,210 USD
View
A
Retailer 8
-
$1,750 CAD
$1,250 USD
View
A
Retailer 9
-
$1,759 CAD
£990 GBP
View
A
Retailer 10
-
$1,763 CAD
$1,260 USD
View
A
Retailer 11
-
$2,013 CAD
$1,438 USD
View
Retailer 12
-
$2,219 CAD
A$2,439 AUD
View
Price last confirmed 29 days ago
A
Retailer 13
-
$2,247 CAD
€1,529 EUR
View
Most Expensive
B+
MOH London
59727E12C · Oct 29
$2,842 CAD
£1,599 GBP
View
13 more retailers have this diamond
Prices start from $1,200 CADSave up to $1,642 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
$1,200 CAD