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Cushion|Natural|GIA

1.30ct K SI1 Cushion Natural Diamond

EX • K/SI1 • GIA 2225244794

Certificate GIA 2225244794

Diamond specifications and retailer prices

From $3,594 CAD
As of November 4, 2026
Save $1,876 CAD (34%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $5,469 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 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 2225244794. Listed at 6 retailers as of November 4, 2026, with prices from $3,594 to $5,469, a $1,876 spread on the same certified stone. 77 Diamonds lists it at $5,469. 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
K
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 2225244794
Dimensions6.49 × 6.00 × 4.11 mm
L/W Ratio1.08
Top View
6.49 mm6.00 mm1.30 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceStrong
CertificateGIA 2225244794
Side View
Table 61.0%CrownGirdle: ThickPavilionCulet: NoneDepth 68.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $5,469 CAD|Low: $3,670 CAD|High: $5,541 CAD|Avg: $4,788 CAD|+1.2%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 5, 2026
Retailer 2$3,670 CAD
Retailer 4$4,037 CAD
Retailer 5$5,299 CAD
Retailer 3$5,434 CAD
77 Diamonds$5,469 CAD

33 data points across 5 retailers

6 retailers$3,594 CAD to $5,469 CAD

B+
Cheapest Retailer
-
$3,594 CAD
B+
Retailer 2
-
$3,670 CAD
View
B+
Retailer 3
-
$3,753 CAD
View
B+
Retailer 4
-
$3,840 CAD
View
Retailer 5
-
$4,037 CAD
View
Price last confirmed 62 days ago
Most Expensive
B
77 Diamonds
CUSMBWCTMMRDN · Nov 5
$5,469 CAD
£3,062 GBP
View
5 more retailers have this diamond
Prices start from $3,594 CADSave up to $1,876 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.

B+
1.30ct Cushion
$3,594 CAD