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Radiant|Natural|GIA

1.51ct E SI1 Radiant Natural Diamond

ID • E/SI1 • GIA 6515595253

Certificate GIA 6515595253

Diamond specifications and retailer prices

From $9,158 CAD
As of November 6, 2026
Save $2,957 CAD (24%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $12,115 CAD at Yorxs · As of November 6, 2026
View at Yorxs

About this 1.51ct natural radiant diamond

This 1.51ct natural radiant sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6515595253. Listed at 10 retailers as of November 6, 2026, with prices from $9,158 to $12,115, a $2,957 spread on the same certified stone. Yorxs lists it at $12,115. 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
E
Color
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.81°
Pavilion angle30.09°
OriginNatural
Grading LabGIA
CertificateGIA 6515595253
Dimensions7.39 × 5.70 × 3.83 mm
L/W Ratio1.30
Top View
7.39 mm5.70 mm1.51 ctE / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6515595253
Side View
Table 67.0%Crown 44.81°Girdle: ThickPavilion 30.09°Culet: NoneDepth 67.2%

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 6
Current: $10,513 CAD|Low: $9,157 CAD|High: $15,724 CAD|Avg: $11,067 CAD|+0.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Yorxs
November 7, 2026
Retailer 12$9,158 CAD
Retailer 10$9,355 CAD
Retailer 5$9,653 CAD
Retailer 7$9,653 CAD
Retailer 11$10,396 CAD
Retailer 1$10,513 CAD
Retailer 8$10,766 CAD
Retailer 3$11,281 CAD
Retailer 4$11,281 CAD
Retailer 6$11,353 CAD
Retailer 2$11,647 CAD
Yorxs$12,115 CAD
Retailer 9$15,684 CAD

15 data points across 13 retailers

10 retailers$9,158 CAD to $12,115 CAD

A
Cheapest Retailer
-
$9,158 CAD
A
Retailer 2
-
$9,653 CAD
View
A
Retailer 3
-
$9,653 CAD
View
Retailer 4
-
$10,396 CAD
View
Price last confirmed 29 days ago
A
Retailer 5
-
$10,513 CAD
View
B+
Retailer 6
-
$10,766 CAD
View
B+
Retailer 7
-
$11,281 CAD
View
B+
Retailer 8
-
$11,353 CAD
View
B+
Retailer 9
-
$11,647 CAD
View
Most Expensive
B+
Yorxs
5290575B9 · Nov 6
$12,115 CAD
€8,203 EUR
View
9 more retailers have this diamond
Prices start from $9,158 CADSave up to $2,957 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 Radiant
$9,158 CAD