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Cushion|Natural|GIA

1.30ct F SI1 Cushion Natural Diamond

EX • F/SI1 • GIA 1439179846

Certificate GIA 1439179846

Diamond specifications and retailer prices

From $5,818 CAD
As of November 5, 2026
Save $5,912 CAD (50%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $11,729 CAD at MOH London · As of November 2, 2026
View at MOH London

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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1439179846. Listed at 14 retailers as of November 2, 2026, with prices from $5,818 to $11,729, a $5,912 spread on the same certified stone. MOH London lists it at $11,729. 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
F
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1439179846
Dimensions6.52 × 5.84 × 4.00 mm
L/W Ratio1.12
Girdle conditionFaceted
Culet sizeNone
Cert comments
Additional clouds are not shown. Pinpoints are not shown.
Key to symbols
Cloud, Crystal, Feather, Needle
Top View
6.52 mm5.84 mm1.30 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1439179846
Side View
Table 60.0%CrownGirdle: STK-VTKPavilionCulet: 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 5
Current: $11,729 CAD|Low: $5,929 CAD|High: $11,871 CAD|Avg: $8,036 CAD|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 7, 2026
Retailer 7$5,929 CAD
Retailer 3$7,144 CAD
Retailer 4$7,153 CAD
Retailer 2$7,296 CAD
Retailer 8$7,423 CAD
Retailer 5$8,286 CAD
Retailer 6$8,984 CAD
MOH London$11,729 CAD

37 data points across 8 retailers

14 retailers$5,818 CAD to $11,729 CAD

B+
Cheapest Retailer
-
$5,818 CAD
B+
Retailer 2
-
$5,929 CAD
View
B+
Retailer 3
-
$6,209 CAD
View
B+
Retailer 4
-
$6,295 CAD
View
B+
Retailer 5
-
$6,618 CAD
View
Retailer 6
-
$6,672 CAD
View
Price last confirmed 9 days ago
B+
Retailer 7
-
$7,061 CAD
View
B+
Retailer 8
-
$7,144 CAD
View
B+
Retailer 9
-
$7,153 CAD
View
B+
Retailer 10
-
$7,296 CAD
View
Retailer 11
-
$7,423 CAD
View
Price last confirmed 29 days ago
B
Retailer 12
-
$8,286 CAD
View
B
Retailer 13
-
$8,984 CAD
View
Most Expensive
B
MOH London
EAFA9A98E · Nov 2
$11,729 CAD
£6,566 GBP
View
13 more retailers have this diamond
Prices start from $5,818 CADSave up to $5,912 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
$5,818 CAD