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Cushion|Natural|GIA

1.01ct G SI1 Cushion Natural Diamond

EX • G/SI1 • GIA 1558080975

Certificate GIA 1558080975

Diamond specifications and retailer prices

From $1,892 CAD
As of November 4, 2026
Save $498 CAD (21%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $2,390 CAD at Blue Nile · As of November 5, 2026
View at Blue Nile

About this 1.01ct natural cushion diamond

This 1.01ct natural cushion sits in the classic one-carat band, graded G 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 1558080975. Listed at 8 retailers as of November 4, 2026, with prices from $1,892 to $2,390, a $498 spread on the same certified stone. Blue Nile lists it at $2,390. 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

1.01
Carat
G
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1558080975
Dimensions5.58 × 5.53 × 3.73 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal, Feather, Needle
Top View
5.58 mm5.53 mm1.01 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1558080975
Side View
Table 61.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 67.5%

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 4
Current: $2,390 CAD|Low: $1,723 CAD|High: $2,605 CAD|Avg: $2,158 CAD|-8.3%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 3$1,892 CAD
Retailer 5$1,976 CAD
Retailer 7$1,986 CAD
Retailer 4$2,003 CAD
Retailer 2$2,139 CAD
Retailer 6$2,259 CAD
Retailer 8$2,366 CAD
Blue Nile$2,390 CAD

41 data points across 8 retailers

8 retailers$1,892 CAD to $2,390 CAD

A
Cheapest Retailer
-
$1,892 CAD
A
Retailer 2
-
$1,976 CAD
View
Final sale: no returns
A
Retailer 3
-
$1,986 CAD
View
A
Retailer 4
-
$2,003 CAD
View
A
Retailer 5
-
$2,139 CAD
View
A
Retailer 6
-
$2,259 CAD
View
A
Retailer 7
-
$2,366 CAD
View
Most Expensive
A
Blue Nile
28906555 · Nov 5
$2,390 CAD
$1,699 USD
View
7 more retailers have this diamond
Prices start from $1,892 CADSave up to $498 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
1.01ct Cushion
$1,892 CAD