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Oval|Natural|GIA

1.51ct M SI1 Oval Natural Diamond

M/SI1 • GIA 5231782704

Certificate GIA 5231782704

Diamond specifications and retailer prices

From $2,647 CAD
As of November 6, 2026
Save $1,143 CAD (30%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $3,790 CAD at Yorxs · As of November 6, 2026
View at Yorxs

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) and certified by GIA 5231782704. Listed at 2 retailers as of November 6, 2026, with prices from $2,647 to $3,790, a $1,143 spread on the same certified stone. Yorxs lists it at $3,790. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.51
Carat
M
Color
SI1
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 5231782704
Dimensions8.86 × 6.32 × 3.97 mm
L/W Ratio1.40
Top View
8.86 mm6.32 mm1.51 ctM / SI1
OriginNatural
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 5231782704
Side View
Table 59.0%CrownGirdle: ThickPavilionCulet: NoneDepth 62.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $2,647 CAD|Low: $2,494 CAD|High: $4,011 CAD|Avg: $3,197 CAD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Yorxs
November 6, 2026
Retailer 4$2,494 CAD
Retailer 1$2,647 CAD
Retailer 2$3,186 CAD
Yorxs$3,790 CAD
Retailer 3$3,871 CAD

15 data points across 5 retailers

2 retailers$2,647 CAD to $3,790 CAD

B+
Cheapest Retailer
-
$2,647 CAD
Most Expensive
B
Yorxs
516040235 · Nov 6
$3,790 CAD
€2,566 EUR
View
1 more retailer has this diamond
Prices start from $2,647 CADSave up to $1,143 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.

B+
1.51ct Oval
$2,647 CAD