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Round|Natural|IGI

1.51ct H IF Round Natural Diamond

EX • H/IF • IGI 788607939

Shape and cutting style on the report: Round brilliant

Certificate IGI 788607939

Diamond specifications and retailer prices

From €4,914 EUR
As of November 6, 2026
Save €4,193 EUR (46%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €9,107 EUR at MOH London · As of November 4, 2026
View at MOH London

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 788607939. Listed at 9 retailers as of November 4, 2026, with prices from €4,914 to €9,107, a €4,193 spread on the same certified stone. MOH London lists it at €9,107. 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 angle36.3°
Pavilion angle40.5°
OriginNatural
Grading LabIGI
CertificateIGI 788607939
Dimensions7.21 × 7.27 × 4.54 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
7.21 mm7.27 mm1.51 ctH / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 788607939
Side View
Table 57.0%Crown 36.3°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 62.7%

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: €9,107 EUR|Low: €4,914 EUR|High: €9,525 EUR|Avg: €6,755 EUR|-4.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 2€4,914 EUR
Retailer 6€5,705 EUR
Retailer 7€5,714 EUR
Retailer 8€6,047 EUR
Retailer 3€6,159 EUR
Retailer 9€6,697 EUR
Retailer 5€6,712 EUR
Retailer 10€7,794 EUR
Retailer 4€7,994 EUR
MOH London€9,107 EUR

27 data points across 10 retailers

9 retailers€4,914 EUR to €9,107 EUR

A
Cheapest Retailer
-
€4,914 EUR
A
Retailer 2
-
€5,705 EUR
View
A
Retailer 3
-
€5,714 EUR
View
Retailer 4
-
€6,047 EUR
View
Price last confirmed 9 days ago
A
Retailer 5
-
€6,159 EUR
View
A
Retailer 6
-
€6,697 EUR
View
A
Retailer 7
-
€6,712 EUR
View
B+
Retailer 8
-
€7,994 EUR
View
Most Expensive
B+
MOH London
B3E180748 · Nov 4
€9,107 EUR
£8,006 GBP
View
8 more retailers have this diamond
Prices start from €4,914 EURSave up to €4,193 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
€4,914 EUR