CaratHunter
Plans
Round|Natural|GIA

1.29ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 5241083858

Certificate GIA 5241083858

Diamond specifications and retailer prices

From $3,105 CAD
As of November 5, 2026
Save $2,605 CAD (46%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $5,709 CAD at Helzberg Diamonds · As of November 6, 2026
View at Helzberg Diamonds

About this 1.29ct natural round diamond

This 1.29ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5241083858. Listed at 16 retailers as of November 5, 2026, with prices from $3,105 to $5,709, a $2,605 spread on the same certified stone. Helzberg Diamonds lists it at $5,709. 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

1.29
Carat
J
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle34.5°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 5241083858
Dimensions6.94 × 6.97 × 4.33 mm
L/W Ratio1.00
Culet sizeNone
Top View
6.94 mm6.97 mm1.29 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 5241083858
Side View
Table 58.0%Crown 34.5°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.2%

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: $5,709 CAD|Low: $3,088 CAD|High: $5,769 CAD|Avg: $3,995 CAD|-1.0%
Helzberg Diamonds
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
November 6, 2026
Retailer 10$3,105 CAD
Retailer 16$3,229 CAD
Retailer 7$3,254 CAD
Retailer 14$3,296 CAD
Retailer 8$3,297 CAD
Retailer 13$3,320 CAD
Retailer 11$3,529 CAD
Retailer 6$3,614 CAD
Retailer 4$3,910 CAD
Retailer 5$4,091 CAD
Retailer 12$4,114 CAD
Retailer 2$4,163 CAD
Retailer 9$4,239 CAD
Retailer 15$5,061 CAD
Retailer 3$5,409 CAD
Helzberg Diamonds$5,709 CAD

38 data points across 16 retailers

16 retailers$3,105 CAD to $5,709 CAD

A
Cheapest Retailer
-
$3,105 CAD
A
Retailer 2
-
$3,229 CAD
View
A
Retailer 3
-
$3,254 CAD
View
A
Retailer 4
-
$3,296 CAD
View
A
Retailer 5
-
$3,297 CAD
View
A
Retailer 6
-
$3,320 CAD
View
A
Retailer 7
-
$3,529 CAD
View
B+
Retailer 8
-
$3,614 CAD
View
B+
Retailer 9
-
$3,910 CAD
View
B+
Retailer 10
-
$4,091 CAD
View
B+
Retailer 11
-
$4,114 CAD
View
B+
Retailer 12
-
$4,163 CAD
View
B+
Retailer 13
-
$4,239 CAD
View
B
Retailer 14
-
$5,061 CAD
View
B
Retailer 15
-
$5,409 CAD
View
Most Expensive
B
Helzberg Diamonds
XZRLIKHGOJOLO · Nov 6
$5,709 CAD
$4,088 USD
View
15 more retailers have this diamond
Prices start from $3,105 CADSave up to $2,605 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
1.29ct Round
$3,105 CAD