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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 $642 USD
As of November 5, 2026
Save $1,743 USD (73%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $2,385 USD 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 $642 to $2,385, a $1,743 spread on the same certified stone. NZ Jewellers lists it at $2,385. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $642 USD|Low: $642 USD|High: $1,080 USD|Avg: $842 USD|-3.9%
Retailer 1
Retailer 2
Retailer 3
November 5, 2026
Retailer 1$642 USD
Retailer 3$761 USD
Retailer 2$1,072 USD

39 data points across 3 retailers

11 retailers$642 USD to $2,385 USD

B+
Cheapest Retailer
-
$642 USD
Retailer 2
-
$761 USD
View
Price last confirmed 8 days ago
Retailer 3
-
$761 USD
View
Price last confirmed 28 days ago
B+
Retailer 4
-
$761 USD
View
B+
Retailer 5
-
$772 USD
View
Retailer 6
-
$790 USD
View
Price last confirmed 38 days ago
Retailer 7
-
$878 USD
View
Price last confirmed 28 days ago
B+
Retailer 8
-
$878 USD
View
B+
Retailer 9
-
$1,072 USD
View
Retailer 10
-
$2,385 USD
View
Price last confirmed 39 days ago
Most Expensive
C
NZ Jewellers
a6543d19-6375-4c6a-8455-2c6473f0b786 · Nov 5
$2,385 USD
View
10 more retailers have this diamond
Prices start from $642 USDSave up to $1,743 USD

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
$642 USD