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Cushion|Natural|GIA

1.30ct I SI2 Cushion Natural Diamond

ID • I/SI2 • GIA 1558676361

Certificate GIA 1558676361

Diamond specifications and retailer prices

From $3,438 CAD
As of November 6, 2026
Save $1,851 CAD (35%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $5,288 CAD at 77 Diamonds · As of November 5, 2026
View at 77 Diamonds

About this 1.3ct natural cushion diamond

This 1.3ct natural cushion sits in the one-and-a-quarter to one-and-a-half 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 1558676361. Listed at 5 retailers as of November 5, 2026, with prices from $3,438 to $5,288, a $1,851 spread on the same certified stone. 77 Diamonds lists it at $5,288. 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

1.30
Carat
I
Color
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1558676361
Dimensions7.48 × 5.76 × 3.84 mm
L/W Ratio1.30
Girdle conditionFaceted
Culet sizeNone
Top View
7.48 mm5.76 mm1.30 ctI / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1558676361
Side View
Table 63.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 66.6%

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: $5,288 CAD|Low: $3,042 CAD|High: $7,063 CAD|Avg: $4,268 CAD|+21.9%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 6$3,196 CAD
Retailer 3$3,438 CAD
Retailer 8$3,470 CAD
Retailer 5$3,611 CAD
Retailer 7$3,709 CAD
Retailer 4$3,732 CAD
Retailer 2$3,792 CAD
Retailer 9$4,792 CAD
77 Diamonds$5,288 CAD
Retailer 10$7,063 CAD

42 data points across 10 retailers

5 retailers$3,438 CAD to $5,288 CAD

A
Cheapest Retailer
-
$3,438 CAD
A
Retailer 2
-
$3,611 CAD
View
A
Retailer 3
-
$3,732 CAD
View
A
Retailer 4
-
$3,792 CAD
View
Most Expensive
B
77 Diamonds
CUSMB7BKJHCVZ · Nov 5
$5,288 CAD
£2,960 GBP
View
4 more retailers have this diamond
Prices start from $3,438 CADSave up to $1,851 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
1.30ct Cushion
$3,438 CAD