Round|Natural|IGI

1.51ct H IF Round Natural Diamond

EX • H/IF • IGI F1R33475

Certificate IGI F1R33475

Diamond specifications and retailer prices

From $14,047 USD
€13,378 EUR
As of November 1, 2026
Save $8,803 USD (39%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $22,850 USD 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 $14,047 to $22,850, a $8,803 spread on the same certified stone. Diamond Quarter lists it at $22,850. 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: Nov 1
Current: $14,047 USD|Low: $10,823 USD|High: $14,147 USD|Avg: $12,318 USD|+2.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
November 1, 2026
Retailer 4$10,823 USD
Retailer 3$11,100 USD
Retailer 2$13,411 USD
Retailer 1$14,047 USD

23 data points across 4 retailers

2 retailers$14,047 USD to $22,850 USD

B
Cheapest Retailer
-
$14,047 USD
€13,378 EUR
Most Expensive
C
Diamond Quarter
1.51IFHF1758058N · Oct 29
$22,850 USD
£17,992 GBP
View
1 more retailer has this diamond
Prices start from $14,047 USDSave up to $8,803 USD

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
$14,047 USD