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0.51ct L I1 Round Natural Diamond

VG • L/I1 • IGI 510166168

Shape and cutting style on the report: Round brilliant

Certificate IGI 510166168

Diamond specifications and retailer prices

From $373 CAD
As of November 5, 2026
Save $1,314 CAD (78%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,687 CAD at NZ Jewellers · As of November 4, 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 L colour (faint-tinted) and I1 clarity (included), with a very-good cut grade and certified by IGI 510166168. Listed at 8 retailers as of November 4, 2026, with prices from $373 to $1,687, a $1,314 spread on the same certified stone. NZ Jewellers lists it at $1,687. 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
L
Color
I1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryExcellent
FluorescenceFaint
Crown angle32.7°
Pavilion angle41.5°
OriginNatural
Grading LabIGI
CertificateIGI 510166168
Dimensions5.09 × 5.12 × 3.16 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
5.09 mm5.12 mm0.51 ctL / I1
OriginNatural
CutVery Good
PolishVery Good
SymmetryExcellent
FluorescenceFaint
CertificateIGI 510166168
Side View
Table 58.0%Crown 32.7°Girdle: MED-THKPavilion 41.5°Culet: NoneDepth 62.0%

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: Nov 5
Current: $624 CAD|Low: $387 CAD|High: $631 CAD|Avg: $522 CAD|+2.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
November 5, 2026
Retailer 2$390 CAD
Retailer 3$507 CAD
Retailer 4$571 CAD
Retailer 1$624 CAD

15 data points across 4 retailers

8 retailers$373 CAD to $1,687 CAD

B+
Cheapest Retailer
-
$373 CAD
Retailer 2
-
$401 CAD
View
Price last confirmed 8 days ago
B+
Retailer 3
-
$415 CAD
View
B+
Retailer 4
-
$492 CAD
View
B+
Retailer 5
-
$501 CAD
View
B+
Retailer 6
-
$507 CAD
View
B
Retailer 7
-
$624 CAD
View
Most Expensive
C
NZ Jewellers
0156d9bf-f26d-4aa4-9541-84665cb34891 · Nov 4
$1,687 CAD
$1,208 USD
View
7 more retailers have this diamond
Prices start from $373 CADSave up to $1,314 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
$373 CAD