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Oval|Natural|GIA

1.00ct K SI1 Oval Natural Diamond

EX • K/SI1 • GIA 2558152906

Certificate GIA 2558152906

Diamond specifications and retailer prices

From $1,512 CAD
As of November 6, 2026
Save $1,342 CAD (47%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $2,854 CAD at With Clarity · As of November 6, 2026
View at With Clarity

About this 1ct natural oval diamond

This 1ct natural oval sits in the classic one-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 2558152906. Listed at 6 retailers as of November 6, 2026, with prices from $1,512 to $2,854, a $1,342 spread on the same certified stone. With Clarity lists it at $2,854. 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

1.00
Carat
K
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2558152906
Dimensions8.15 × 5.54 × 3.33 mm
L/W Ratio1.47
Top View
8.15 mm5.54 mm1.00 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2558152906
Side View
Table 61.0%CrownGirdle: ThickPavilionCulet: NoneDepth 60.2%

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: $1,879 CAD|Low: $1,512 CAD|High: $2,889 CAD|Avg: $2,047 CAD|-2.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
With Clarity
November 6, 2026
Retailer 3$1,512 CAD
Retailer 5$1,712 CAD
Retailer 1$1,879 CAD
Retailer 6$1,957 CAD
Retailer 4$2,096 CAD
Retailer 2$2,180 CAD
With Clarity$2,854 CAD

13 data points across 7 retailers

6 retailers$1,512 CAD to $2,854 CAD

A
Cheapest Retailer
-
$1,512 CAD
A
Retailer 2
-
$1,712 CAD
View
A
Retailer 3
-
$1,879 CAD
View
A
Retailer 4
-
$2,096 CAD
View
B+
Retailer 5
-
$2,180 CAD
View
Most Expensive
B+
With Clarity
2558152906 · Nov 6
$2,854 CAD
$2,029 USD
View
5 more retailers have this diamond
Prices start from $1,512 CADSave up to $1,342 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
1.00ct Oval
$1,512 CAD