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3.50ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 1555165785

Certificate GIA 1555165785

Diamond specifications and retailer prices

From $40,062 CAD
SGD 38,756 SGD
As of November 1, 2026
Save $24,507 CAD (38%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $64,569 CAD at Helzberg Diamonds · As of November 1, 2026
View at Helzberg Diamonds

About this 3.5ct natural round diamond

This 3.5ct natural round sits in the three to five carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1555165785. Listed at 13 retailers as of November 1, 2026, with prices from $40,062 to $64,569, a $24,507 spread on the same certified stone. Helzberg Diamonds lists it at $64,569. 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

3.50
Carat
J
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 1555165785
Dimensions9.59 × 9.66 × 6.03 mm
L/W Ratio1.01
Culet sizeNone
Top View
9.59 mm9.66 mm3.50 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1555165785
Side View
Table 58.0%Crown 35.5°Girdle: Slightly ThickPavilion 41.2°Culet: NoneDepth 62.7%

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: $64,569 CAD|Low: $40,062 CAD|High: $65,888 CAD|Avg: $49,703 CAD|-2.0%
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 7$40,062 CAD
Retailer 6$41,790 CAD
Retailer 12$42,682 CAD
Retailer 3$43,729 CAD
Retailer 10$44,961 CAD
Retailer 8$45,182 CAD
Retailer 11$48,604 CAD
Retailer 5$51,179 CAD
Retailer 4$51,386 CAD
Retailer 9$52,857 CAD
Retailer 2$61,522 CAD
Helzberg Diamonds$64,569 CAD

33 data points across 12 retailers

13 retailers$40,062 CAD to $64,569 CAD

B+
Cheapest Retailer
-
$40,062 CAD
SGD 38,756 SGD
B+
Retailer 2
-
$41,790 CAD
£23,556 GBP
View
B+
Retailer 3
-
$42,682 CAD
$30,555 USD
View
B+
Retailer 4
-
$43,729 CAD
$31,305 USD
View
B+
Retailer 5
-
$44,961 CAD
$32,186 USD
View
B+
Retailer 6
-
$45,182 CAD
SGD 43,709 SGD
View
B+
Retailer 7
-
$48,604 CAD
$34,794 USD
View
B+
Retailer 8
-
$51,179 CAD
€34,893 EUR
View
B+
Retailer 9
-
$51,386 CAD
$36,786 USD
View
B
Retailer 10
-
$52,857 CAD
$37,838 USD
View
B
Retailer 11
-
$55,229 CAD
$39,537 USD
View
B
Retailer 12
-
$61,522 CAD
$44,042 USD
View
Most Expensive
B
Helzberg Diamonds
XZRHLLLHMLNOL · Nov 1
$64,569 CAD
$46,223 USD
View
12 more retailers have this diamond
Prices start from $40,062 CADSave up to $24,507 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+
3.50ct Round
$40,062 CAD