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1.51ct H IF Round Natural Diamond

EX • H/IF • IGI 642436765

Shape and cutting style on the report: Round brilliant

Certificate IGI 642436765

Diamond specifications and retailer prices

From €7,408 EUR
As of November 5, 2026
Save €5,785 EUR (44%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €13,193 EUR at Diamond Quarter · As of November 5, 2026
View at Diamond Quarter

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI 642436765. Listed at 12 retailers as of November 5, 2026, with prices from €7,408 to €13,193, a €5,785 spread on the same certified stone. Diamond Quarter lists it at €13,193. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
H
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle41.1°
OriginNatural
Grading LabIGI
CertificateIGI 642436765
Dimensions7.27 × 7.33 × 4.60 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
7.27 mm7.33 mm1.51 ctH / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 642436765
Side View
Table 57.0%Crown 36.2°Girdle: MED-STKPavilion 41.1°CuletDepth 62.9%

Caratlytics Score

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

Price History

Last verified: Nov 5
Current: €13,193 EUR|Low: €7,408 EUR|High: €13,193 EUR|Avg: €9,579 EUR
Diamond Quarter
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 7€7,408 EUR
Retailer 8€7,855 EUR
Retailer 10€7,911 EUR
Retailer 2€7,919 EUR
Retailer 4€7,978 EUR
Retailer 3€8,762 EUR
Retailer 6€9,293 EUR
Retailer 5€10,457 EUR
Retailer 9€11,912 EUR
Diamond Quarter€13,193 EUR

4 data points across 10 retailers

12 retailers€7,408 EUR to €13,193 EUR

A
Cheapest Retailer
-
€7,408 EUR
B+
Retailer 2
-
€7,855 EUR
View
B+
Retailer 3
-
€7,911 EUR
View
Final sale: no returns
A
Retailer 4
-
€7,919 EUR
View
A
Retailer 5
-
€7,978 EUR
View
B+
Retailer 6
-
€8,703 EUR
View
B+
Retailer 7
-
€8,762 EUR
View
B+
Retailer 8
-
€9,293 EUR
View
B
Retailer 9
-
€9,890 EUR
View
B+
Retailer 10
-
€10,457 EUR
View
B
Retailer 11
-
€11,912 EUR
View
Most Expensive
B
Diamond Quarter
1.51IFH6465EB02N · Nov 5
€13,193 EUR
£11,599 GBP
View
11 more retailers have this diamond
Prices start from €7,408 EURSave up to €5,785 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
€7,408 EUR