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Round|Natural|IGI

1.51ct K I1 Round Natural Diamond

EX • K/I1 • IGI 474139848

Shape and cutting style on the report: Round brilliant

Certificate IGI 474139848

Diamond specifications and retailer prices

From €1,367 EUR
As of November 5, 2026
Save €2,292 EUR (63%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: €3,658 EUR at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and I1 clarity (included), with a top-tier cut grade and certified by IGI 474139848. Listed at 7 retailers as of November 5, 2026, with prices from €1,367 to €3,658, a €2,292 spread on the same certified stone. NZ Jewellers lists it at €3,658. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
K
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.8°
Pavilion angle41.2°
OriginNatural
Grading LabIGI
CertificateIGI 474139848
Dimensions7.48 × 7.49 × 4.47 mm
L/W Ratio1.00
Culet sizePointed
Top View
7.48 mm7.49 mm1.51 ctK / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 474139848
Side View
Table 59.5%Crown 31.8°Girdle: MediumPavilion 41.2°Culet: NoneDepth 59.7%

Caratlytics Score

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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 5
Current: €3,658 EUR|Low: €1,147 EUR|High: €3,658 EUR|Avg: €1,792 EUR|+4.1%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 9€1,147 EUR
Retailer 7€1,367 EUR
Retailer 4€1,500 EUR
Retailer 5€1,500 EUR
Retailer 6€1,569 EUR
Retailer 3€1,731 EUR
Retailer 8€1,735 EUR
Retailer 2€2,034 EUR
NZ Jewellers€3,658 EUR

24 data points across 9 retailers

7 retailers€1,367 EUR to €3,658 EUR

A
Cheapest Retailer
-
€1,367 EUR
Retailer 2
-
€1,500 EUR
View
Price last confirmed 8 days ago
B+
Retailer 3
-
€1,500 EUR
View
B+
Retailer 4
-
€1,569 EUR
View
B+
Retailer 5
-
€1,731 EUR
View
B+
Retailer 6
-
€2,034 EUR
View
Most Expensive
B
NZ Jewellers
3510f7a4-7b97-4514-9f30-8fb8fedf16cd · Nov 5
€3,658 EUR
$4,106 USD
View
6 more retailers have this diamond
Prices start from €1,367 EURSave up to €2,292 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
1.51ct Round
€1,367 EUR