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Round|Natural|IGI

0.51ct E I1 Round Natural Diamond

GD • E/I1 • IGI 617454909

Shape and cutting style on the report: Round brilliant

Certificate IGI 617454909

Diamond specifications and retailer prices

From $438 CAD
$313 USD
As of October 28, 2026
Save $1,240 CAD (74%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,678 CAD at NZ Jewellers · As of October 26, 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 standard cut grade and certified by IGI 617454909. Listed at 7 retailers as of October 26, 2026, with prices from $438 to $1,678, a $1,240 spread on the same certified stone. NZ Jewellers lists it at $1,678. 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
Color
I1
Clarity
Good
Cut

Specifications

CutGood
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle30.5°
Pavilion angle40.2°
OriginNatural
Grading LabIGI
CertificateIGI 617454909
Dimensions5.36 × 5.34 × 2.96 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Top View
5.36 mm5.34 mm0.51 ctE / I1
OriginNatural
CutGood
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI 617454909
Side View
Table 67.0%Crown 30.5°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 55.3%

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: $1,678 CAD|Low: $461 CAD|High: $1,678 CAD|Avg: $867 CAD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 28, 2026
Retailer 4$468 CAD
Retailer 3$594 CAD
Retailer 5$658 CAD
Retailer 2$820 CAD
NZ Jewellers$1,678 CAD

19 data points across 5 retailers

7 retailers$438 CAD to $1,678 CAD

B+
Cheapest Retailer
-
$438 CAD
$313 USD
B+
Retailer 2
-
$472 CAD
$337 USD
View
B+
Retailer 3
-
$488 CAD
$349 USD
View
B+
Retailer 4
-
$589 CAD
$421 USD
View
B+
Retailer 5
-
$594 CAD
$424 USD
View
B+
Retailer 6
-
$820 CAD
€558 EUR
View
Most Expensive
C
NZ Jewellers
f2ac14a0-5c88-4de0-be75-746a70c3ebf4 · Oct 26
$1,678 CAD
$1,199 USD
View
6 more retailers have this diamond
Prices start from $438 CADSave up to $1,240 CAD

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
$438 CAD