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Oval|Natural|GIA

1.51ct I SI1 Oval Natural Diamond

EX • I/SI1 • GIA 2566156295

Certificate GIA 2566156295

Diamond specifications and retailer prices

From $5,941 CAD
As of November 5, 2026
Save $4,816 CAD (45%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $10,757 CAD at Wholesale Diamonds Direct · As of November 4, 2026
View at Wholesale Diamonds Direct

About this 1.51ct natural oval diamond

This 1.51ct natural oval sits in the one-and-a-half to two carat band, graded I 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 2566156295. Listed at 13 retailers as of November 4, 2026, with prices from $5,941 to $10,757, a $4,816 spread on the same certified stone. Wholesale Diamonds Direct lists it at $10,757. 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
I
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle40.24°
Pavilion angle39.43°
OriginNatural
Grading LabGIA
CertificateGIA 2566156295
Dimensions8.95 × 6.42 × 3.96 mm
L/W Ratio1.39
Culet sizeNone
Top View
8.95 mm6.42 mm1.51 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2566156295
Side View
Table 60.0%Crown 40.24°Girdle: MED-THKPavilion 39.43°Culet: NoneDepth 61.7%

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 5
Current: $7,601 CAD|Low: $5,941 CAD|High: $12,037 CAD|Avg: $7,605 CAD|-8.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Wholesale Diamonds Direct
November 6, 2026
Retailer 10$5,941 CAD
Retailer 7$6,110 CAD
Retailer 6$6,168 CAD
Retailer 8$6,273 CAD
Retailer 3$6,379 CAD
Retailer 4$6,401 CAD
Retailer 2$6,439 CAD
Retailer 5$6,608 CAD
Retailer 11$7,424 CAD
Retailer 12$7,441 CAD
Retailer 1$7,601 CAD
Retailer 9$9,952 CAD
Wholesale Diamonds Direct$10,757 CAD

33 data points across 13 retailers

13 retailers$5,941 CAD to $10,757 CAD

A
Cheapest Retailer
-
$5,941 CAD
A
Retailer 2
-
$6,110 CAD
View
A
Retailer 3
-
$6,168 CAD
View
A
Retailer 4
-
$6,273 CAD
View
A
Retailer 5
-
$6,379 CAD
View
A
Retailer 6
-
$6,401 CAD
View
A
Retailer 7
-
$6,439 CAD
View
A
Retailer 8
-
$6,608 CAD
View
A
Retailer 9
-
$7,424 CAD
View
A
Retailer 10
-
$7,441 CAD
View
A
Retailer 11
-
$7,601 CAD
View
B+
Retailer 12
-
$9,952 CAD
View
Most Expensive
B+
Wholesale Diamonds Direct
579393277 · Nov 4
$10,757 CAD
$7,648 USD
View
12 more retailers have this diamond
Prices start from $5,941 CADSave up to $4,816 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
$5,941 CAD