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1.59ct E I1 Round Natural Diamond

EX • E/I1 • IGI 519260624

Shape and cutting style on the report: Round brilliant

Certificate IGI 519260624

Diamond specifications and retailer prices

From £1,433 GBP
₹182,905 INR
As of October 30, 2026
Save £174 GBP (11%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £1,607 GBP at Brilliance · As of October 28, 2026
View at Brilliance

About this 1.59ct natural round diamond

This 1.59ct natural round sits in the one-and-a-half to two carat band, graded E colour (colourless) and I1 clarity (included), with a top-tier cut grade and certified by IGI 519260624. Listed at 2 retailers as of October 28, 2026, with a relatively tight 12% 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

1.59
Carat
E
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34.8°
Pavilion angle40.9°
OriginNatural
Grading LabIGI
CertificateIGI 519260624
Dimensions7.47 × 7.54 × 4.59 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
7.47 mm7.54 mm1.59 ctE / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 519260624
Side View
Table 59.0%Crown 34.8°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 61.3%

Caratlytics Score

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

Last verified: Oct 30
Current: £1,607 GBP|Low: £1,425 GBP|High: £2,222 GBP|Avg: £1,763 GBP
Brilliance
Retailer 2
Retailer 3
October 30, 2026
Retailer 2£1,433 GBP
Brilliance£1,607 GBP
Retailer 3£2,222 GBP

46 data points across 3 retailers

2 retailers£1,433 GBP to £1,607 GBP

A
Cheapest Retailer
-
£1,433 GBP
₹182,905 INR
Most Expensive
B+
Brilliance
D35264719 · Oct 28
£1,607 GBP
$2,153 USD
View
1 more retailer has this diamond
Prices start from £1,433 GBPSave up to £174 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
1.59ct Round
£1,433 GBP