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Round|Natural|IGI

0.51ct E I1 Round Natural Diamond

VG • E/I1 • IGI 265733540

Shape and cutting style on the report: Round brilliant

Certificate IGI 265733540

Diamond specifications and retailer prices

From €308 EUR
$344 USD
As of October 28, 2026
Save €874 EUR (74%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: €1,182 EUR at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.51ct natural round diamond

This 0.51ct natural round sits in the half to three-quarter carat band, graded E colour (colourless) and I1 clarity (included), with a very-good cut grade and certified by IGI 265733540. Listed at 7 retailers as of October 28, 2026, with prices from €308 to €1,182, a €874 spread on the same certified stone. NZ Jewellers lists it at €1,182. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.51
Carat
E
Colour
I1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishGood
SymmetryVery Good
FluorescenceFaint
Crown angle38°
Pavilion angle41.5°
OriginNatural
Grading LabIGI
CertificateIGI 265733540
Dimensions4.97 × 4.99 × 3.26 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
4.97 mm4.99 mm0.51 ctE / I1
OriginNatural
CutVery Good
PolishGood
SymmetryVery Good
FluorescenceFaint
CertificateIGI 265733540
Side View
Table 57.5%Crown 38°Girdle: STK-THKPavilion 41.5°Culet: NoneDepth 65.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: €571 EUR|Low: €328 EUR|High: €571 EUR|Avg: €447 EUR|+4.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
October 30, 2026
Retailer 2€332 EUR
Retailer 3€431 EUR
Retailer 4€463 EUR
Retailer 1€571 EUR

25 data points across 4 retailers

7 retailers€308 EUR to €1,182 EUR

B+
Cheapest Retailer
-
€308 EUR
$344 USD
B+
Retailer 2
-
€332 EUR
$371 USD
View
B+
Retailer 3
-
€344 EUR
$384 USD
View
B+
Retailer 4
-
€414 EUR
$463 USD
View
B+
Retailer 5
-
€431 EUR
$481 USD
View
B+
Retailer 6
-
€571 EUR
View
Most Expensive
C
NZ Jewellers
123be8cd-e4cd-45fc-9cb7-c0e69be1ee0d · Oct 30
€1,182 EUR
$1,320 USD
View
6 more retailers have this diamond
Prices start from €308 EURSave up to €874 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.

B+
0.51ct Round
€308 EUR