Round|Natural|IGI

1.55ct J SI1 Round Natural Diamond

EX • J/SI1 • IGI 536201745

Shape and cutting style on the report: Round brilliant

Certificate IGI 536201745

Diamond specifications and retailer prices

From $7,025 CAD
As of November 6, 2026
Save $6,284 CAD (47%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $13,309 CAD at Allurez · As of November 5, 2026
View at Allurez

About this 1.55ct natural round diamond

This 1.55ct natural round 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 and certified by IGI 536201745. Listed at 15 retailers as of November 5, 2026, with prices from $7,025 to $13,309, a $6,284 spread on the same certified stone. Allurez lists it at $13,309. 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

1.55
Carat
J
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41.4°
OriginNatural
Grading LabIGI
CertificateIGI 536201745
Dimensions7.41 × 7.37 × 4.62 mm
L/W Ratio1.01
Culet sizePointed
Top View
7.41 mm7.37 mm1.55 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 536201745
Side View
Table 57.5%Crown 34.5°Girdle: MediumPavilion 41.4°Culet: NoneDepth 62.6%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 6
Current: $13,309 CAD|Low: $3,853 CAD|High: $13,309 CAD|Avg: $5,210 CAD
Allurez
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 3, 2026
Retailer 12$4,120 CAD
Retailer 7$4,179 CAD
Retailer 14$4,204 CAD
Retailer 8$4,413 CAD
Retailer 4$4,556 CAD
Retailer 6$4,556 CAD
Retailer 16$4,730 CAD
Retailer 2$4,733 CAD
Retailer 3$5,255 CAD
Retailer 11$5,276 CAD
Retailer 10$5,299 CAD
Retailer 9$5,497 CAD
Retailer 15$5,505 CAD
Retailer 13$7,658 CAD
Retailer 5$7,935 CAD
Allurez$13,309 CAD

30 data points across 16 retailers

15 retailers$7,025 CAD to $13,309 CAD

Retailer 1
-
$4,120 CAD
Price last confirmed 19 days ago
Retailer 2
-
$4,179 CAD
View
Price last confirmed 14 days ago
Retailer 3
-
$4,413 CAD
View
Price last confirmed 14 days ago
Retailer 4
-
$4,556 CAD
View
Price last confirmed 21 days ago
Retailer 5
-
$4,556 CAD
View
Price last confirmed 15 days ago
Retailer 6
-
$4,730 CAD
View
Price last confirmed 15 days ago
Retailer 7
-
$4,733 CAD
View
Price last confirmed 14 days ago
Retailer 8
-
$4,755 CAD
View
Price last confirmed 19 days ago
Retailer 9
-
$5,255 CAD
View
Price last confirmed 14 days ago
Retailer 10
-
$5,276 CAD
View
Price last confirmed 14 days ago
Retailer 11
-
$5,497 CAD
View
Price last confirmed 15 days ago
B
Retailer 12
-
$7,025 CAD
View
Retailer 13
-
$7,658 CAD
View
Price last confirmed 16 days ago
Retailer 14
-
$7,935 CAD
View
Price last confirmed 17 days ago
Most Expensive
C
Allurez
5853908 · Nov 5
$13,309 CAD
$9,529 USD
View
14 more retailers have this diamond
Prices start from $7,025 CADSave up to $6,284 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
1.55ct Round
$7,025 CAD