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Oval|Natural|GIA

1.31ct K SI1 Oval Natural Diamond

EX • K/SI1 • GIA 6425979052

Certificate GIA 6425979052

Diamond specifications and retailer prices

From $3,256 CAD
As of November 6, 2026
Save $4,587 CAD (58%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $7,843 CAD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.31ct natural oval diamond

This 1.31ct natural oval 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 6425979052. Listed at 18 retailers as of November 5, 2026, with prices from $3,256 to $7,843, a $4,587 spread on the same certified stone. NZ Jewellers lists it at $7,843. 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

1.31
Carat
K
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6425979052
Dimensions8.22 × 6.06 × 3.90 mm
L/W Ratio1.36
Top View
8.22 mm6.06 mm1.31 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6425979052
Side View
Table 58.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 64.2%

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 6
Current: $4,207 CAD|Low: $3,256 CAD|High: $7,618 CAD|Avg: $4,824 CAD|-1.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 2$3,256 CAD
Retailer 8$3,313 CAD
Retailer 7$4,090 CAD
Retailer 1$4,207 CAD
Retailer 9$4,213 CAD
Retailer 3$4,631 CAD
Retailer 6$5,269 CAD
Retailer 4$5,494 CAD
Retailer 5$7,507 CAD

32 data points across 9 retailers

18 retailers$3,256 CAD to $7,843 CAD

A
Cheapest Retailer
-
$3,256 CAD
A
Retailer 2
-
$3,313 CAD
View
Retailer 3
-
$4,086 CAD
View
Price last confirmed 18 days ago
B+
Retailer 4
-
$4,090 CAD
View
B+
Retailer 5
-
$4,207 CAD
View
B+
Retailer 6
-
$4,213 CAD
View
Retailer 7
-
$4,503 CAD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$4,503 CAD
View
B+
Retailer 9
-
$4,600 CAD
View
B+
Retailer 10
-
$4,631 CAD
View
B
Retailer 11
-
$4,676 CAD
View
B
Retailer 12
-
$4,704 CAD
View
B
Retailer 13
-
$5,195 CAD
View
B+
Retailer 14
-
$5,269 CAD
View
B
Retailer 15
-
$5,494 CAD
View
B
Retailer 16
-
$5,918 CAD
View
B
Retailer 17
-
$7,507 CAD
View
Most Expensive
B
NZ Jewellers
de510069-ca62-4433-affb-0ee35ed7147d · Nov 5
$7,843 CAD
$5,576 USD
View
17 more retailers have this diamond
Prices start from $3,256 CADSave up to $4,587 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
1.31ct Oval
$3,256 CAD