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Round|Natural|IGI

1.57ct F I1 Round Natural Diamond

EX • F/I1 • IGI 520278910

Shape and cutting style on the report: Round brilliant

Certificate IGI 520278910

Diamond specifications and retailer prices

From £2,325 GBP
$3,120 USD
As of October 31, 2026
Save £345 GBP (13%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £2,671 GBP at Yorxs · As of November 3, 2026
View at Yorxs

About this 1.57ct natural round diamond

This 1.57ct natural round sits in the one-and-a-half to two carat band, graded F colour (colourless) and I1 clarity (included), with a top-tier cut grade and certified by IGI 520278910. Listed at 2 retailers as of October 31, 2026, with a relatively tight 15% spread, which is unusual at this carat range and suggests competitive pricing across the listings. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.57
Carat
F
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle40.6°
OriginNatural
Grading LabIGI
CertificateIGI 520278910
Dimensions7.35 × 7.30 × 4.64 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.35 mm7.30 mm1.57 ctF / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 520278910
Side View
Table 56.0%Crown 36.6°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 63.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: £2,325 GBP|Low: £2,325 GBP|High: £2,893 GBP|Avg: £2,634 GBP
Retailer 1
Retailer 2
Yorxs
November 3, 2026
Retailer 1£2,325 GBP
Yorxs£2,671 GBP
Retailer 2£2,893 GBP

21 data points across 3 retailers

2 retailers£2,325 GBP to £2,671 GBP

A
Cheapest Retailer
-
£2,325 GBP
$3,120 USD
Most Expensive
B+
Yorxs
570922876 · Nov 3
£2,671 GBP
€3,413 EUR
View
1 more retailer has this diamond
Prices start from £2,325 GBPSave up to £345 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
1.57ct Round
£2,325 GBP