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Round|Natural|IGI

1.00ct K I1 Round Natural Diamond

VG • K/I1 • IGI 523290684

Shape and cutting style on the report: Round brilliant

Certificate IGI 523290684

Diamond specifications and retailer prices

From €572 EUR
As of November 5, 2026
Save €1,553 EUR (73%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €2,125 EUR at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded K colour (faint-tinted) and I1 clarity (included), with a very-good cut grade and certified by IGI 523290684. Listed at 11 retailers as of November 5, 2026, with prices from €572 to €2,125, a €1,553 spread on the same certified stone. NZ Jewellers lists it at €2,125. 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

1.00
Carat
K
Colour
I1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryGood
FluorescenceNone
Crown angle35.9°
Pavilion angle40.1°
OriginNatural
Grading LabIGI
CertificateIGI 523290684
Dimensions6.32 × 6.34 × 3.85 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Top View
6.32 mm6.34 mm1.00 ctK / I1
OriginNatural
CutVery Good
PolishExcellent
SymmetryGood
FluorescenceNone
CertificateIGI 523290684
Side View
Table 62.5%Crown 35.9°Girdle: STK-THKPavilion 40.1°Culet: NoneDepth 60.8%

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: €572 EUR|Low: €572 EUR|High: €962 EUR|Avg: €750 EUR|-3.9%
Retailer 1
Retailer 2
Retailer 3
November 5, 2026
Retailer 1€572 EUR
Retailer 3€678 EUR
Retailer 2€955 EUR

39 data points across 3 retailers

11 retailers€572 EUR to €2,125 EUR

B+
Cheapest Retailer
-
€572 EUR
Retailer 2
-
€678 EUR
View
Price last confirmed 8 days ago
Retailer 3
-
€678 EUR
View
Price last confirmed 28 days ago
B+
Retailer 4
-
€678 EUR
View
B+
Retailer 5
-
€688 EUR
View
Retailer 6
-
€704 EUR
View
Price last confirmed 38 days ago
Retailer 7
-
€782 EUR
View
Price last confirmed 28 days ago
B+
Retailer 8
-
€782 EUR
View
B+
Retailer 9
-
€955 EUR
View
Retailer 10
-
€2,125 EUR
View
Price last confirmed 39 days ago
Most Expensive
C
NZ Jewellers
a6543d19-6375-4c6a-8455-2c6473f0b786 · Nov 5
€2,125 EUR
$2,385 USD
View
10 more retailers have this diamond
Prices start from €572 EURSave up to €1,553 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+
1.00ct Round
€572 EUR