Radiant|Natural|IGI

1.00ct K SI2 Radiant Natural Diamond

VG • K/SI2 • IGI 808620061

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI 808620061

Diamond specifications and retailer prices

From $910 USD
As of November 4, 2026
Save $1,997 USD (69%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $2,907 USD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural radiant diamond

This 1ct natural radiant sits in the classic one-carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 808620061. Listed at 13 retailers as of November 4, 2026, with prices from $910 to $2,907, a $1,997 spread on the same certified stone. NZ Jewellers lists it at $2,907. 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
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle46.4°
Pavilion angle27.5°
OriginNatural
Grading LabIGI
CertificateIGI 808620061
Dimensions5.92 × 4.90 × 3.44 mm
L/W Ratio1.21
Top View
5.92 mm4.90 mm1.00 ctK / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI 808620061
Side View
Table 63.0%Crown 46.4°Girdle: Very ThickPavilion 27.5°Culet: NoneDepth 70.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $2,907 USD|Low: $910 USD|High: $2,907 USD|Avg: $1,208 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 7$910 USD
Retailer 9$927 USD
Retailer 12$927 USD
Retailer 3$937 USD
Retailer 2$948 USD
Retailer 10$956 USD
Retailer 5$962 USD
Retailer 4$1,029 USD
Retailer 13$1,060 USD
Retailer 11$1,069 USD
Retailer 6$1,198 USD
Retailer 8$1,695 USD
NZ Jewellers$2,907 USD

21 data points across 13 retailers

13 retailers$910 USD to $2,907 USD

B+
Cheapest Retailer
-
$910 USD
Retailer 2
-
$927 USD
View
Price last confirmed 9 days ago
B+
Retailer 3
-
$927 USD
View
B+
Retailer 4
-
$937 USD
View
A
Retailer 5
-
$948 USD
View
B+
Retailer 6
-
$956 USD
View
B+
Retailer 7
-
$962 USD
View
B+
Retailer 8
-
$1,029 USD
View
B+
Retailer 9
-
$1,060 USD
View
B+
Retailer 10
-
$1,069 USD
View
B+
Retailer 11
-
$1,198 USD
View
B+
Retailer 12
-
$1,695 USD
View
Most Expensive
C
NZ Jewellers
9848e113-4049-4ee3-921d-e04c9d01de69 · Nov 5
$2,907 USD
View
12 more retailers have this diamond
Prices start from $910 USDSave up to $1,997 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.

A
1.00ct Radiant
$910 USD