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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 €3,045 EUR
As of November 6, 2026
Save €2,690 EUR (47%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €5,976 EUR 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
Colour
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: €3,496 EUR|Low: €3,083 EUR|High: €5,805 EUR|Avg: €3,913 EUR|+0.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 6€3,083 EUR
Retailer 8€3,106 EUR
Retailer 7€3,430 EUR
Retailer 1€3,496 EUR
Retailer 4€3,942 EUR
Retailer 2€3,983 EUR
Retailer 3€4,187 EUR
Retailer 5€5,735 EUR

42 data points across 8 retailers

15 retailers€3,045 EUR to €5,735 EUR

A
Cheapest Retailer
-
€3,045 EUR
A
Retailer 2
-
€3,047 EUR
View
A
Retailer 3
-
€3,083 EUR
View
A
Retailer 4
-
€3,106 EUR
View
Retailer 5
-
€3,430 EUR
View
Price last confirmed 49 days ago
Retailer 6
-
€3,430 EUR
View
Price last confirmed 36 days ago
Retailer 7
-
€3,430 EUR
View
Price last confirmed 29 days ago
A
Retailer 8
-
€3,496 EUR
View
A
Retailer 9
-
€3,560 EUR
View
A
Retailer 10
-
€3,942 EUR
View
Retailer 11
-
€3,958 EUR
View
Price last confirmed 48 days ago
A
Retailer 12
-
€3,983 EUR
View
A
Retailer 13
-
€4,187 EUR
View
B+
Retailer 14
-
€5,735 EUR
View
Most Expensive
NZ Jewellers
15f82228-f07b-46ef-9d85-f97189fdb7e1 · Sep 19
€5,976 EUR
$6,707 USD
View
Price last confirmed 47 days ago
14 more retailers have this diamond
Prices start from €3,045 EURSave up to €2,690 EUR

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
€3,045 EUR