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Radiant|Natural|GIA

1.51ct J SI1 Radiant Natural Diamond

EX • J/SI1 • GIA 2235951484

Certificate GIA 2235951484

Diamond specifications and retailer prices

From $6,845 CAD
$4,900 USD
As of November 1, 2026
Save $7,810 CAD (53%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $14,655 CAD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

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 2235951484. Listed at 22 retailers as of October 30, 2026, with prices from $6,845 to $14,655, a $7,810 spread on the same certified stone. NZ Jewellers lists it at $14,655. 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
FluorescenceMedium
Crown angle44.08°
OriginNatural
Grading LabGIA
CertificateGIA 2235951484
Dimensions7.91 × 5.75 × 3.89 mm
L/W Ratio1.38
Top View
7.91 mm5.75 mm1.51 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2235951484
Side View
Table 65.0%Crown 44.08°Girdle: Slightly ThickPavilionCulet: NoneDepth 67.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $14,655 CAD|Low: $6,923 CAD|High: $14,655 CAD|Avg: $9,149 CAD
NZ Jewellers
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
November 2, 2026
Retailer 11$6,923 CAD
Retailer 4$7,388 CAD
Retailer 13$7,388 CAD
Retailer 12$7,418 CAD
Retailer 3$7,937 CAD
Retailer 6$7,937 CAD
Retailer 14$7,937 CAD
Retailer 5$8,367 CAD
Retailer 2$8,406 CAD
Retailer 10$8,662 CAD
Retailer 8$9,010 CAD
Retailer 7$10,765 CAD
Retailer 9$12,977 CAD
NZ Jewellers$14,655 CAD

44 data points across 14 retailers

22 retailers$6,845 CAD to $14,655 CAD

B+
Cheapest Retailer
-
$6,845 CAD
$4,900 USD
B+
Retailer 2
-
$6,923 CAD
$4,956 USD
View
B
Retailer 3
-
$7,208 CAD
A$7,938 AUD
View
B
Retailer 4
-
$7,388 CAD
View
B
Retailer 5
-
$7,388 CAD
$5,289 USD
View
B
Retailer 6
-
$7,418 CAD
$5,310 USD
View
B
Retailer 7
-
$7,937 CAD
$5,682 USD
View
B
Retailer 8
-
$7,937 CAD
$5,682 USD
View
B
Retailer 9
-
$7,937 CAD
$5,682 USD
View
B
Retailer 10
-
$8,367 CAD
$5,990 USD
View
B
Retailer 11
-
$8,406 CAD
£4,738 GBP
View
Retailer 12
-
$8,662 CAD
A$9,539 AUD
View
Price last confirmed 22 days ago
B
Retailer 13
-
$8,856 CAD
$6,340 USD
View
B
Retailer 14
-
$8,856 CAD
$6,340 USD
View
B
Retailer 15
-
$8,978 CAD
$6,427 USD
View
B
Retailer 16
-
$9,010 CAD
€6,143 EUR
View
B
Retailer 17
-
$9,150 CAD
$6,550 USD
View
B
Retailer 18
-
$9,159 CAD
$6,557 USD
View
Retailer 19
-
$9,661 CAD
$6,916 USD
View
Price last confirmed 9 days ago
B
Retailer 20
-
$10,765 CAD
ZAR 124,500 ZAR
View
B
Retailer 21
-
$12,977 CAD
£7,315 GBP
View
Most Expensive
B
NZ Jewellers
ce8079b4-efe5-4bf1-8854-70654ab1cd25 · Oct 30
$14,655 CAD
$10,491 USD
View
21 more retailers have this diamond
Prices start from $6,845 CADSave up to $7,810 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.

B+
1.51ct Radiant
$6,845 CAD