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Cushion|Natural|GIA

1.03ct H SI1 Cushion Natural Diamond

EX • H/SI1 • GIA 1558000551

Certificate GIA 1558000551

Diamond specifications and retailer prices

From $1,782 CAD
As of November 6, 2026
Save $2,184 CAD (55%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $3,966 CAD at MOH London · As of November 4, 2026
View at MOH London

About this 1.03ct natural cushion diamond

This 1.03ct natural cushion sits in the classic one-carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1558000551. Listed at 18 retailers as of November 4, 2026, with prices from $1,782 to $3,966, a $2,184 spread on the same certified stone. MOH London lists it at $3,966. 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

1.03
Carat
H
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1558000551
Dimensions6.44 × 5.11 × 3.52 mm
L/W Ratio1.26
Girdle conditionFaceted
Top View
6.44 mm5.11 mm1.03 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1558000551
Side View
Table 68.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 68.9%

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: Nov 6
Current: $3,966 CAD|Low: $1,764 CAD|High: $4,091 CAD|Avg: $2,463 CAD|-3.1%
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
Retailer 15
Retailer 16
November 6, 2026
Retailer 4$1,782 CAD
Retailer 14$1,881 CAD
Retailer 15$1,992 CAD
Retailer 6$1,997 CAD
Retailer 2$2,094 CAD
Retailer 8$2,110 CAD
Retailer 10$2,110 CAD
Retailer 3$2,152 CAD
Retailer 7$2,255 CAD
Retailer 5$2,350 CAD
Retailer 9$2,466 CAD
Retailer 12$2,495 CAD
Retailer 13$2,746 CAD
Retailer 11$3,055 CAD
Retailer 16$3,671 CAD
MOH London$3,966 CAD

23 data points across 16 retailers

18 retailers$1,782 CAD to $3,966 CAD

A
Cheapest Retailer
-
$1,782 CAD
A
Retailer 2
-
$1,881 CAD
View
Final sale: no returns
A
Retailer 3
-
$1,992 CAD
View
A
Retailer 4
-
$1,997 CAD
View
A
Retailer 5
-
$2,094 CAD
View
A
Retailer 6
-
$2,110 CAD
View
A
Retailer 7
-
$2,110 CAD
View
A
Retailer 8
-
$2,152 CAD
View
A
Retailer 9
-
$2,255 CAD
View
A
Retailer 10
-
$2,350 CAD
View
A
Retailer 11
-
$2,466 CAD
View
A
Retailer 12
-
$2,495 CAD
View
B+
Retailer 13
-
$2,703 CAD
View
A
Retailer 14
-
$2,746 CAD
View
B+
Retailer 15
-
$3,055 CAD
View
Retailer 16
-
$3,092 CAD
View
Price last confirmed 32 days ago
B+
Retailer 17
-
$3,671 CAD
View
Most Expensive
B+
MOH London
55261932A · Nov 4
$3,966 CAD
£2,220 GBP
View
17 more retailers have this diamond
Prices start from $1,782 CADSave up to $2,184 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
1.03ct Cushion
$1,782 CAD