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Radiant|Natural|GIA

1.51ct J SI1 Radiant Natural Diamond

EX • J/SI1 • GIA 6472510095

Certificate GIA 6472510095

Diamond specifications and retailer prices

From $3,595 CAD
As of November 5, 2026
Save $3,797 CAD (51%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $7,392 CAD at MOH London · As of November 4, 2026
View at MOH London

About this 1.51ct natural radiant diamond

This 1.51ct natural radiant sits in the one-and-a-half to two carat band, graded J 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 6472510095. Listed at 12 retailers as of November 4, 2026, with prices from $3,595 to $7,392, a $3,797 spread on the same certified stone. MOH London lists it at $7,392. 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
J
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle48.6°
Pavilion angle60.4°
OriginNatural
Grading LabGIA
CertificateGIA 6472510095
Dimensions6.24 × 6.20 × 4.17 mm
L/W Ratio1.01
Top View
6.24 mm6.20 mm1.51 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6472510095
Side View
Table 65.0%Crown 48.6°Girdle: ThickPavilion 60.4°Culet: NoneDepth 67.3%

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: $7,392 CAD|Low: $3,562 CAD|High: $7,892 CAD|Avg: $4,901 CAD|-5.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 7, 2026
Retailer 8$3,595 CAD
Retailer 9$3,705 CAD
Retailer 7$3,931 CAD
Retailer 5$4,058 CAD
Retailer 3$4,155 CAD
Retailer 10$4,543 CAD
Retailer 12$4,543 CAD
Retailer 2$4,586 CAD
Retailer 11$4,698 CAD
Retailer 4$4,964 CAD
Retailer 6$5,408 CAD
MOH London$7,392 CAD

46 data points across 12 retailers

12 retailers$3,595 CAD to $7,392 CAD

A
Cheapest Retailer
-
$3,595 CAD
A
Retailer 2
-
$3,705 CAD
View
Final sale: no returns
A
Retailer 3
-
$3,931 CAD
View
A
Retailer 4
-
$4,058 CAD
View
Retailer 5
-
$4,155 CAD
View
Price last confirmed 13 days ago
A
Retailer 6
-
$4,543 CAD
View
A
Retailer 7
-
$4,543 CAD
View
A
Retailer 8
-
$4,586 CAD
View
A
Retailer 9
-
$4,698 CAD
View
Retailer 10
-
$4,964 CAD
View
Price last confirmed 31 days ago
B+
Retailer 11
-
$5,408 CAD
View
Most Expensive
B
MOH London
E61DA6E62 · Nov 4
$7,392 CAD
£4,138 GBP
View
11 more retailers have this diamond
Prices start from $3,595 CADSave up to $3,797 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
$3,595 CAD