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Round|Natural|IGI

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 €238 EUR
As of November 5, 2026
Save €838 EUR (78%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €1,076 EUR 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 €238 to €1,076, a €838 spread on the same certified stone. NZ Jewellers lists it at €1,076. 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
Colour
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: €398 EUR|Low: €247 EUR|High: €403 EUR|Avg: €333 EUR|+2.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
November 5, 2026
Retailer 2€249 EUR
Retailer 3€323 EUR
Retailer 4€364 EUR
Retailer 1€398 EUR

15 data points across 4 retailers

8 retailers€238 EUR to €1,076 EUR

B+
Cheapest Retailer
-
€238 EUR
Retailer 2
-
€256 EUR
View
Price last confirmed 8 days ago
B+
Retailer 3
-
€265 EUR
View
B+
Retailer 4
-
€314 EUR
View
B+
Retailer 5
-
€320 EUR
View
B+
Retailer 6
-
€323 EUR
View
B
Retailer 7
-
€398 EUR
View
Most Expensive
C
NZ Jewellers
0156d9bf-f26d-4aa4-9541-84665cb34891 · Nov 4
€1,076 EUR
$1,208 USD
View
7 more retailers have this diamond
Prices start from €238 EURSave up to €838 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
€238 EUR