Round|Natural|GIA

1.51ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 1246015618

Certificate GIA 1246015618

Diamond specifications and retailer prices

From $5,168 CAD
$3,700 USD
As of October 30, 2026
Save $7,962 CAD (61%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $13,129 CAD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1246015618. Listed at 17 retailers as of October 30, 2026, with prices from $5,168 to $13,129, a $7,962 spread on the same certified stone. NZ Jewellers lists it at $13,129. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle36.5°
OriginNatural
Grading LabGIA
CertificateGIA 1246015618
Dimensions7.27 × 7.31 × 4.56 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
7.27 mm7.31 mm1.51 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 1246015618
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilionCulet: NoneDepth 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: Oct 30
Current: $13,129 CAD|Low: $5,168 CAD|High: $13,129 CAD|Avg: $7,878 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
Retailer 15
Retailer 16
Retailer 17
October 30, 2026
Retailer 4$5,168 CAD
Retailer 5$6,202 CAD
Retailer 12$6,293 CAD
Retailer 6$6,410 CAD
Retailer 14$6,667 CAD
Retailer 15$6,800 CAD
Retailer 8$7,112 CAD
Retailer 13$7,112 CAD
Retailer 16$7,112 CAD
Retailer 3$7,493 CAD
Retailer 2$7,608 CAD
Retailer 9$8,207 CAD
Retailer 7$8,661 CAD
Retailer 17$8,863 CAD
Retailer 10$8,909 CAD
Retailer 11$12,571 CAD
NZ Jewellers$13,129 CAD

17 data points across 17 retailers

17 retailers$5,168 CAD to $13,129 CAD

A
Cheapest Retailer
-
$5,168 CAD
$3,700 USD
B+
Retailer 2
-
$6,202 CAD
$4,440 USD
View
B+
Retailer 3
-
$6,293 CAD
$4,505 USD
View
B+
Retailer 4
-
$6,410 CAD
$4,589 USD
View
B+
Retailer 5
-
$6,667 CAD
View
B+
Retailer 6
-
$6,800 CAD
$4,868 USD
View
B
Retailer 7
-
$7,112 CAD
$5,091 USD
View
B
Retailer 8
-
$7,112 CAD
$5,091 USD
View
B
Retailer 9
-
$7,112 CAD
$5,091 USD
View
B
Retailer 10
-
$7,493 CAD
$5,364 USD
View
B
Retailer 11
-
$7,608 CAD
£4,289 GBP
View
B
Retailer 12
-
$8,207 CAD
$5,875 USD
View
Retailer 13
-
$8,661 CAD
$6,200 USD
View
Price last confirmed 16 days ago
B
Retailer 14
-
$8,863 CAD
$6,345 USD
View
B
Retailer 15
-
$8,909 CAD
€6,074 EUR
View
B
Retailer 16
-
$12,571 CAD
£7,086 GBP
View
Most Expensive
C
NZ Jewellers
539454d3-ef7b-4ddb-ab23-0a64fd815bbf · Oct 30
$13,129 CAD
$9,399 USD
View
16 more retailers have this diamond
Prices start from $5,168 CADSave up to $7,962 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
$5,168 CAD