Round|Natural|IGI

1.57ct E I1 Round Natural Diamond

EX • E/I1 • IGI 175579856

Shape and cutting style on the report: Round brilliant

Certificate IGI 175579856

Diamond specifications and retailer prices

From €2,477 EUR
$2,767 USD
As of October 30, 2026
Save €2,330 EUR (48%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: €4,807 EUR at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.57ct natural round diamond

This 1.57ct 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 175579856. Listed at 7 retailers as of October 30, 2026, with prices from €2,477 to €4,807, a €2,330 spread on the same certified stone. NZ Jewellers lists it at €4,807. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.57
Carat
E
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36.4°
Pavilion angle41.6°
OriginNatural
Grading LabIGI
CertificateIGI 175579856
Dimensions7.31 × 7.37 × 4.66 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
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Top View
7.31 mm7.37 mm1.57 ctE / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI 175579856
Side View
Table 59.5%Crown 36.4°Girdle: MED-STKPavilion 41.6°CuletDepth 63.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €4,807 EUR|Low: €2,477 EUR|High: €4,850 EUR|Avg: €3,237 EUR|-0.9%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 29, 2026
Retailer 7€2,477 EUR
Retailer 3€2,759 EUR
Retailer 4€2,759 EUR
Retailer 6€2,865 EUR
Retailer 5€3,184 EUR
Retailer 2€3,239 EUR
Retailer 8€3,346 EUR
NZ Jewellers€4,807 EUR

31 data points across 8 retailers

7 retailers€2,477 EUR to €4,807 EUR

A
Cheapest Retailer
-
€2,477 EUR
$2,767 USD
A
Retailer 2
-
€2,759 EUR
$3,082 USD
View
A
Retailer 3
-
€2,759 EUR
$3,082 USD
View
A
Retailer 4
-
€2,865 EUR
$3,201 USD
View
A
Retailer 5
-
€3,184 EUR
$3,557 USD
View
A
Retailer 6
-
€3,239 EUR
View
Most Expensive
B+
NZ Jewellers
5ca9c548-1c0e-4693-8692-9d34c7686e15 · Oct 30
€4,807 EUR
$5,370 USD
View
6 more retailers have this diamond
Prices start from €2,477 EURSave up to €2,330 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.

A
1.57ct Round
€2,477 EUR