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Round|Natural|GIA

1.51ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 6535460829

Certificate GIA 6535460829

Diamond specifications and retailer prices

From $3,324 CAD
As of November 4, 2026
Save $10,457 CAD (76%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $13,781 CAD at Wholesale Diamonds Direct · As of November 4, 2026
View at Wholesale Diamonds Direct

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6535460829. Listed at 16 retailers as of November 4, 2026, with prices from $3,324 to $13,781, a $10,457 spread on the same certified stone. Wholesale Diamonds Direct lists it at $13,781. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 6535460829
Dimensions7.38 × 7.33 × 4.55 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Cert comments
Additional clouds are not shown. Pinpoints are not shown.
Key to symbols
Cloud, Feather, Crystal, Needle
Top View
7.38 mm7.33 mm1.51 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6535460829
Side View
Table 59.0%Crown 33°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 61.8%

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 4
Current: $9,751 CAD|Low: $3,324 CAD|High: $13,781 CAD|Avg: $6,938 CAD|-0.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Wholesale Diamonds Direct
November 6, 2026
Retailer 15$3,324 CAD
Retailer 7$3,728 CAD
Retailer 13$3,864 CAD
Retailer 14$4,014 CAD
Retailer 6$4,018 CAD
Retailer 8$4,370 CAD
Retailer 16$4,459 CAD
Retailer 9$7,050 CAD
Retailer 17$8,018 CAD
Retailer 10$8,044 CAD
Retailer 12$8,081 CAD
Retailer 18$8,970 CAD
Retailer 2$9,083 CAD
Retailer 3$9,595 CAD
Retailer 4$9,595 CAD
Retailer 11$9,725 CAD
Retailer 1$9,751 CAD
Retailer 5$9,916 CAD
Wholesale Diamonds Direct$13,781 CAD

28 data points across 19 retailers

16 retailers$3,324 CAD to $13,781 CAD

A
Cheapest Retailer
-
$3,324 CAD
A
Retailer 2
-
$3,728 CAD
View
A
Retailer 3
-
$3,864 CAD
View
A
Retailer 4
-
$4,014 CAD
View
Retailer 5
-
$4,018 CAD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$4,459 CAD
View
B+
Retailer 7
-
$8,018 CAD
View
B+
Retailer 8
-
$8,081 CAD
View
B+
Retailer 9
-
$8,970 CAD
View
B+
Retailer 10
-
$9,083 CAD
View
B
Retailer 11
-
$9,595 CAD
View
B
Retailer 12
-
$9,595 CAD
View
B+
Retailer 13
-
$9,725 CAD
View
B+
Retailer 14
-
$9,751 CAD
View
B
Retailer 15
-
$9,916 CAD
View
Most Expensive
B
Wholesale Diamonds Direct
623164163 · Nov 4
$13,781 CAD
$9,868 USD
View
15 more retailers have this diamond
Prices start from $3,324 CADSave up to $10,457 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 Round
$3,324 CAD