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Oval|Natural|GIA

1.51ct M SI1 Oval Natural Diamond

EX • M/SI1 • GIA 2556084481

Certificate GIA 2556084481

Diamond specifications and retailer prices

From $2,142 CAD
As of November 6, 2026
Save $1,871 CAD (47%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $6,994 CAD at NZ Jewellers · As of September 25, 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 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 2556084481. Listed at 8 retailers as of November 2, 2026, with a 87% 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

1.51
Carat
M
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 2556084481
Dimensions8.94 × 6.36 × 4.04 mm
L/W Ratio1.41
Top View
8.94 mm6.36 mm1.51 ctM / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 2556084481
Side View
Table 61.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 63.5%

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: $3,763 CAD|Low: $2,142 CAD|High: $4,888 CAD|Avg: $3,391 CAD|-12.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 6$2,142 CAD
Retailer 8$2,642 CAD
Retailer 5$2,846 CAD
Retailer 2$3,055 CAD
Retailer 3$3,102 CAD
Retailer 9$3,379 CAD
Retailer 1$3,763 CAD
Retailer 4$4,013 CAD
Retailer 7$4,636 CAD

29 data points across 9 retailers

8 retailers$2,142 CAD to $4,013 CAD

A
Cheapest Retailer
-
$2,142 CAD
A
Retailer 2
-
$2,846 CAD
View
Final sale: no returns
A
Retailer 3
-
$3,055 CAD
View
A
Retailer 4
-
$3,102 CAD
View
B+
Retailer 5
-
$3,763 CAD
View
B+
Retailer 6
-
$4,013 CAD
View
Retailer 7
-
$4,636 CAD
View
Price last confirmed 14 days ago
Most Expensive
NZ Jewellers
4d8cfb91-c3d0-48b1-be66-8814a485524b · Sep 25
$6,994 CAD
$4,972 USD
View
Price last confirmed 42 days ago
7 more retailers have this diamond
Prices start from $2,142 CADSave up to $1,871 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
$2,142 CAD