Oval|Natural|GIA

1.50ct M SI1 Oval Natural Diamond

ID • M/SI1 • GIA 6511873729

Certificate GIA 6511873729

Diamond specifications and retailer prices

From $2,681 CAD
As of November 6, 2026
Save $3,704 CAD (58%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $6,385 CAD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.5ct natural oval diamond

This 1.5ct natural oval sits in the one-and-a-half to two carat band, graded M 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 6511873729. Listed at 11 retailers as of November 5, 2026, with prices from $2,681 to $6,385, a $3,704 spread on the same certified stone. NZ Jewellers lists it at $6,385. 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

1.50
Carat
M
Color
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6511873729
Dimensions9.57 × 6.08 × 4.04 mm
L/W Ratio1.57
Top View
9.57 mm6.08 mm1.50 ctM / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6511873729
Side View
Table 56.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 66.4%

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: $6,385 CAD|Low: $2,681 CAD|High: $6,565 CAD|Avg: $3,574 CAD|-2.7%
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$2,681 CAD
Retailer 11$2,875 CAD
Retailer 4$2,957 CAD
Retailer 3$3,054 CAD
Retailer 9$3,054 CAD
Retailer 10$3,080 CAD
Retailer 8$3,196 CAD
Retailer 6$3,425 CAD
Retailer 7$3,727 CAD
Retailer 5$4,030 CAD
NZ Jewellers$6,385 CAD

43 data points across 11 retailers

11 retailers$2,681 CAD to $6,385 CAD

A
Cheapest Retailer
-
$2,681 CAD
A
Retailer 2
-
$2,875 CAD
View
A
Retailer 3
-
$2,957 CAD
View
B+
Retailer 4
-
$3,054 CAD
View
Retailer 5
-
$3,054 CAD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$3,080 CAD
View
B+
Retailer 7
-
$3,196 CAD
View
B+
Retailer 8
-
$3,425 CAD
View
B+
Retailer 9
-
$3,727 CAD
View
B+
Retailer 10
-
$4,030 CAD
View
Most Expensive
B
NZ Jewellers
1a9c3cda-e926-45ff-bfd1-33e5176d1031 · Nov 5
$6,385 CAD
$4,539 USD
View
10 more retailers have this diamond
Prices start from $2,681 CADSave up to $3,704 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
1.50ct Oval
$2,681 CAD