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Oval|Natural|GIA

1.51ct H SI1 Oval Natural Diamond

EX • H/SI1 • GIA 7566185764

Certificate GIA 7566185764

Diamond specifications and retailer prices

From $5,594 CAD
As of November 5, 2026
Save $5,939 CAD (51%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $11,533 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 H 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 7566185764. Listed at 11 retailers as of November 4, 2026, with prices from $5,594 to $11,533, a $5,939 spread on the same certified stone. Wholesale Diamonds Direct lists it at $11,533. 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
H
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.97°
Pavilion angle39.86°
OriginNatural
Grading LabGIA
CertificateGIA 7566185764
Dimensions8.96 × 6.41 × 4.01 mm
L/W Ratio1.40
Culet sizeNone
Top View
8.96 mm6.41 mm1.51 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7566185764
Side View
Table 60.0%Crown 41.97°Girdle: MED-THKPavilion 39.86°Culet: NDepth 62.5%

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 5
Current: $8,133 CAD|Low: $5,053 CAD|High: $12,457 CAD|Avg: $7,806 CAD|-5.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Wholesale Diamonds Direct
November 6, 2026
Retailer 3$5,053 CAD
Retailer 4$5,594 CAD
Retailer 6$6,541 CAD
Retailer 5$6,688 CAD
Retailer 7$6,691 CAD
Retailer 2$6,867 CAD
Retailer 11$6,894 CAD
Retailer 9$7,921 CAD
Retailer 10$7,921 CAD
Retailer 1$8,133 CAD
Retailer 8$10,652 CAD
Wholesale Diamonds Direct$11,533 CAD

29 data points across 12 retailers

11 retailers$5,594 CAD to $11,533 CAD

A
Cheapest Retailer
-
$5,594 CAD
A
Retailer 2
-
$6,541 CAD
View
A
Retailer 3
-
$6,688 CAD
View
A
Retailer 4
-
$6,691 CAD
View
A
Retailer 5
-
$6,867 CAD
View
A
Retailer 6
-
$6,894 CAD
View
B+
Retailer 7
-
$7,921 CAD
View
B+
Retailer 8
-
$7,921 CAD
View
B+
Retailer 9
-
$8,133 CAD
View
B+
Retailer 10
-
$10,652 CAD
View
Most Expensive
B
Wholesale Diamonds Direct
564560939 · Nov 4
$11,533 CAD
$8,199 USD
View
10 more retailers have this diamond
Prices start from $5,594 CADSave up to $5,939 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
$5,594 CAD