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Round|Natural|IGI

1.51ct H IF Round Natural Diamond

EX • H/IF • IGI F1R33475

Certificate IGI F1R33475

Diamond specifications and retailer prices

From €12,663 EUR
As of October 29, 2026
Save €7,790 EUR (38%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: €20,453 EUR at Diamond Quarter · As of October 29, 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 F1R33475. Listed at 2 retailers as of October 29, 2026, with prices from €12,663 to €20,453, a €7,790 spread on the same certified stone. Diamond Quarter lists it at €20,453. 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
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabIGI
CertificateIGI F1R33475
Dimensions7.54 × 7.45 × 4.44 mm
L/W Ratio1.01
Top View
7.54 mm7.45 mm1.51 ctH / IF
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateIGI F1R33475
Side View
Table 62.0%CrownGirdle: ThinPavilionCulet: NoneDepth 59.6%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 29
Current: €12,663 EUR|Low: €9,688 EUR|High: €12,663 EUR|Avg: €11,025 EUR|+3.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
October 29, 2026
Retailer 4€9,688 EUR
Retailer 3€9,936 EUR
Retailer 2€12,004 EUR
Retailer 1€12,663 EUR

22 data points across 4 retailers

2 retailers€12,663 EUR to €20,453 EUR

B
Cheapest Retailer
-
€12,663 EUR
Most Expensive
C
Diamond Quarter
1.51IFHF1758058N · Oct 29
€20,453 EUR
£17,992 GBP
View
1 more retailer has this diamond
Prices start from €12,663 EURSave up to €7,790 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.

B
1.51ct Round
€12,663 EUR