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Round|Natural|IGI

1.59ct K IF Round Natural Diamond

EX • K/IF • IGI 550259521

Shape and cutting style on the report: Round brilliant

Certificate IGI 550259521

Diamond specifications and retailer prices

From $4,774 CAD
As of November 6, 2026
Save $4,216 CAD (47%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $9,367 CAD at NZ Jewellers · As of September 19, 2026
View at NZ Jewellers

About this 1.59ct natural round diamond

This 1.59ct natural round sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI 550259521. Listed at 15 retailers as of November 2, 2026, with a 88% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.59
Carat
K
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.9°
OriginNatural
Grading LabIGI
CertificateIGI 550259521
Dimensions7.44 × 7.38 × 4.64 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
7.44 mm7.38 mm1.59 ctK / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 550259521
Side View
Table 57.5%Crown 35.6°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $5,480 CAD|Low: $4,832 CAD|High: $9,099 CAD|Avg: $6,134 CAD|+0.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 6$4,832 CAD
Retailer 8$4,869 CAD
Retailer 7$5,377 CAD
Retailer 1$5,480 CAD
Retailer 4$6,180 CAD
Retailer 2$6,244 CAD
Retailer 3$6,563 CAD
Retailer 5$8,990 CAD

42 data points across 8 retailers

15 retailers$4,774 CAD to $8,990 CAD

A
Cheapest Retailer
-
$4,774 CAD
A
Retailer 2
-
$4,776 CAD
View
A
Retailer 3
-
$4,832 CAD
View
A
Retailer 4
-
$4,869 CAD
View
Retailer 5
-
$5,377 CAD
View
Price last confirmed 49 days ago
Retailer 6
-
$5,377 CAD
View
Price last confirmed 36 days ago
Retailer 7
-
$5,377 CAD
View
Price last confirmed 29 days ago
A
Retailer 8
-
$5,480 CAD
View
A
Retailer 9
-
$5,581 CAD
View
A
Retailer 10
-
$6,180 CAD
View
Retailer 11
-
$6,204 CAD
View
Price last confirmed 48 days ago
A
Retailer 12
-
$6,244 CAD
View
A
Retailer 13
-
$6,563 CAD
View
B+
Retailer 14
-
$8,990 CAD
View
Most Expensive
NZ Jewellers
15f82228-f07b-46ef-9d85-f97189fdb7e1 · Sep 19
$9,367 CAD
$6,707 USD
View
Price last confirmed 47 days ago
14 more retailers have this diamond
Prices start from $4,774 CADSave up to $4,216 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
1.59ct Round
$4,774 CAD