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Oval|Natural|GIA

1.51ct J SI1 Oval Natural Diamond

ID • J/SI1 • GIA 6535853653

Certificate GIA 6535853653

Diamond specifications and retailer prices

From $5,034 CAD
$3,604 USD
As of October 31, 2026
Save $5,433 CAD (52%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $10,467 CAD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.51ct natural oval diamond

This 1.51ct natural oval sits in the one-and-a-half to two 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 6535853653. Listed at 21 retailers as of October 30, 2026, with prices from $5,034 to $10,467, a $5,433 spread on the same certified stone. NZ Jewellers lists it at $10,467. 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

1.51
Carat
J
Color
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.58°
OriginNatural
Grading LabGIA
CertificateGIA 6535853653
Dimensions9.12 × 6.46 × 4.07 mm
L/W Ratio1.41
Top View
9.12 mm6.46 mm1.51 ctJ / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6535853653
Side View
Table 60.0%Crown 35.58°Girdle: SLI-THKPavilionCulet: NoneDepth 63.0%

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: Oct 31
Current: $10,467 CAD|Low: $4,858 CAD|High: $10,467 CAD|Avg: $6,636 CAD
NZ Jewellers
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
October 31, 2026
Retailer 10$5,034 CAD
Retailer 6$5,286 CAD
Retailer 20$5,477 CAD
Retailer 7$5,546 CAD
Retailer 8$5,699 CAD
Retailer 11$5,755 CAD
Retailer 14$5,798 CAD
Retailer 16$6,008 CAD
Retailer 17$6,008 CAD
Retailer 19$6,008 CAD
Retailer 15$6,146 CAD
Retailer 5$6,215 CAD
Retailer 9$6,230 CAD
Retailer 3$6,354 CAD
Retailer 12$6,519 CAD
Retailer 13$6,800 CAD
Retailer 4$6,933 CAD
Retailer 2$7,385 CAD
Retailer 18$9,621 CAD
NZ Jewellers$10,467 CAD

24 data points across 20 retailers

21 retailers$5,034 CAD to $10,467 CAD

A
Cheapest Retailer
-
$5,034 CAD
$3,604 USD
A
Retailer 2
-
$5,286 CAD
$3,784 USD
View
A
Retailer 3
-
$5,477 CAD
$3,921 USD
View
A
Retailer 4
-
$5,546 CAD
$3,970 USD
View
Final sale: no returns
A
Retailer 5
-
$5,699 CAD
$4,080 USD
View
Retailer 6
-
$5,755 CAD
$4,120 USD
View
Price last confirmed 12 days ago
A
Retailer 7
-
$5,798 CAD
£3,268 GBP
View
B+
Retailer 8
-
$6,008 CAD
$4,301 USD
View
B+
Retailer 9
-
$6,008 CAD
$4,301 USD
View
B+
Retailer 10
-
$6,008 CAD
$4,301 USD
View
B+
Retailer 11
-
$6,146 CAD
£3,464 GBP
View
B+
Retailer 12
-
$6,215 CAD
$4,449 USD
View
B+
Retailer 13
-
$6,230 CAD
$4,460 USD
View
B+
Retailer 14
-
$6,354 CAD
$4,549 USD
View
Retailer 15
-
$6,519 CAD
A$7,180 AUD
View
Price last confirmed 21 days ago
B+
Retailer 16
-
$6,800 CAD
€4,636 EUR
View
B+
Retailer 17
-
$6,933 CAD
$4,963 USD
View
B+
Retailer 18
-
$7,385 CAD
ZAR 85,406 ZAR
View
B
Retailer 19
-
$9,621 CAD
£5,423 GBP
View
Retailer 20
-
$9,933 CAD
$7,111 USD
View
Price last confirmed 7 days ago
Most Expensive
B
NZ Jewellers
9d590c74-603f-4327-ba15-8433d252e1d6 · Oct 30
$10,467 CAD
$7,493 USD
View
20 more retailers have this diamond
Prices start from $5,034 CADSave up to $5,433 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
1.51ct Oval
$5,034 CAD