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1.51ct E IF Round Natural Diamond

EX • E/IF • GIA 2476193358

Certificate GIA 2476193358

Diamond specifications and retailer prices

From £16,421 GBP
€20,781 EUR
As of October 29, 2026
Save £9,282 GBP (36%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £25,703 GBP at Diamond Quarter · As of October 28, 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 E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 2476193358. Listed at 2 retailers as of October 28, 2026, with prices from £16,421 to £25,703, a £9,282 spread on the same certified stone. Diamond Quarter lists it at £25,703. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 2476193358
Dimensions7.33 × 7.30 × 4.55 mm
L/W Ratio1.00
Star length45%
Lower girdle75%
Top View
7.33 mm7.30 mm1.51 ctE / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2476193358
Side View
Table 61.0%Crown 33.5°Girdle: MED-STKPavilion 41.8°CuletDepth 62.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: £16,421 GBP|Low: £16,421 GBP|High: £16,421 GBP|Avg: £16,421 GBP
February 18, 2026
Retailer 1£16,421 GBP

1 data point across 1 retailer

2 retailers£16,421 GBP to £25,703 GBP

A
Cheapest Retailer
-
£16,421 GBP
€20,781 EUR
Most Expensive
B
Diamond Quarter
1.51IFE245823DAN · Oct 28
£25,703 GBP
View
1 more retailer has this diamond
Prices start from £16,421 GBPSave up to £9,282 GBP

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
£16,421 GBP