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Oval|Natural|GIA

1.00ct J SI1 Oval Natural Diamond

EX • J/SI1 • GIA 1553987872

Certificate GIA 1553987872

Diamond specifications and retailer prices

From $1,913 CAD
As of November 6, 2026
Save $4,276 CAD (69%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $6,866 CAD at NZ Jewellers · As of August 29, 2026
View at NZ Jewellers

About this 1ct natural oval diamond

This 1ct natural oval sits in the classic one-carat band, graded J 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 1553987872. Listed at 12 retailers as of November 5, 2026, with a 224% 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

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

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1553987872
Dimensions8.16 × 5.53 × 3.44 mm
L/W Ratio1.48
Girdle conditionThick
Top View
8.16 mm5.53 mm1.00 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1553987872
Side View
Table 55.0%CrownGirdle: MediumPavilionCulet: NoneDepth 62.2%

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: $6,189 CAD|Low: $1,913 CAD|High: $6,490 CAD|Avg: $3,199 CAD|-4.6%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 2$1,913 CAD
Retailer 9$2,024 CAD
Retailer 10$2,312 CAD
Retailer 8$2,616 CAD
Retailer 11$2,730 CAD
Retailer 5$2,817 CAD
Retailer 4$3,097 CAD
Retailer 7$3,463 CAD
Retailer 3$3,512 CAD
Retailer 6$4,434 CAD
NZ Jewellers$6,189 CAD

34 data points across 11 retailers

12 retailers$1,913 CAD to $6,189 CAD

A
Cheapest Retailer
-
$1,913 CAD
A
Retailer 2
-
$2,024 CAD
View
Final sale: no returns
B+
Retailer 3
-
$2,312 CAD
View
B+
Retailer 4
-
$2,616 CAD
View
B+
Retailer 5
-
$2,730 CAD
View
B+
Retailer 6
-
$2,817 CAD
View
B+
Retailer 7
-
$3,097 CAD
View
B+
Retailer 8
-
$3,463 CAD
View
Retailer 9
-
$3,512 CAD
View
Price last confirmed 32 days ago
B
Retailer 10
-
$4,434 CAD
View
B
Retailer 11
-
$6,189 CAD
View
Most Expensive
NZ Jewellers
1efc91e5-184a-41a5-82b1-23cc35e29b1a · Aug 29
$6,866 CAD
$4,881 USD
View
Price last confirmed 69 days ago
11 more retailers have this diamond
Prices start from $1,913 CADSave up to $4,276 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
$1,913 CAD