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Cushion|Natural|GIA

1.30ct G SI1 Cushion Natural Diamond

EX • G/SI1 • GIA 1558124148

Certificate GIA 1558124148

Diamond specifications and retailer prices

From $3,906 CAD
As of November 6, 2026
Save $4,652 CAD (54%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $9,682 CAD at Queensmith · As of October 28, 2026
View at Queensmith

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 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 1558124148. Listed at 18 retailers as of November 4, 2026, with a 119% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
G
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1558124148
Dimensions7.19 × 5.54 × 3.82 mm
L/W Ratio1.30
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud, Indented Natural, Needle, Natural
Top View
7.19 mm5.54 mm1.30 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 1558124148
Side View
Table 64.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 68.8%

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: $9,682 CAD|Low: $3,871 CAD|High: $9,888 CAD|Avg: $5,709 CAD|+0.5%
Queensmith
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
November 6, 2026
Retailer 4$3,906 CAD
Retailer 2$4,062 CAD
Retailer 7$4,654 CAD
Retailer 6$4,694 CAD
Retailer 3$4,736 CAD
Retailer 11$4,787 CAD
Retailer 5$4,986 CAD
Retailer 12$5,314 CAD
Retailer 14$5,335 CAD
Retailer 15$5,415 CAD
Retailer 9$5,439 CAD
Retailer 8$5,974 CAD
Retailer 10$6,264 CAD
Retailer 13$8,558 CAD
Queensmith$9,682 CAD

26 data points across 15 retailers

18 retailers$3,906 CAD to $8,558 CAD

A
Cheapest Retailer
-
$3,906 CAD
A
Retailer 2
-
$4,062 CAD
View
A
Retailer 3
-
$4,654 CAD
View
A
Retailer 4
-
$4,694 CAD
View
A
Retailer 5
-
$4,736 CAD
View
Final sale: no returns
A
Retailer 6
-
$4,787 CAD
View
A
Retailer 7
-
$4,986 CAD
View
B+
Retailer 8
-
$4,993 CAD
View
B+
Retailer 9
-
$5,314 CAD
View
B+
Retailer 10
-
$5,335 CAD
View
B+
Retailer 11
-
$5,415 CAD
View
B+
Retailer 12
-
$5,439 CAD
View
B+
Retailer 13
-
$5,621 CAD
View
Retailer 14
-
$5,826 CAD
View
Price last confirmed 30 days ago
B+
Retailer 15
-
$5,974 CAD
View
B+
Retailer 16
-
$6,264 CAD
View
B
Retailer 17
-
$8,558 CAD
View
Most Expensive
Queensmith
1558124148 · Oct 28
$9,682 CAD
£5,420 GBP
View
Price last confirmed 9 days ago
17 more retailers have this diamond
Prices start from $3,906 CADSave up to $4,652 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
$3,906 CAD