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 $1,324 AUD
As of November 4, 2026
Save $2,906 AUD (69%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $4,231 AUD 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 $1,324 to $4,231, a $2,906 spread on the same certified stone. NZ Jewellers lists it at $4,231. 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
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: $4,231 AUD|Low: $1,324 AUD|High: $4,231 AUD|Avg: $1,758 AUD
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$1,324 AUD
Retailer 9$1,349 AUD
Retailer 12$1,349 AUD
Retailer 3$1,364 AUD
Retailer 2$1,380 AUD
Retailer 10$1,391 AUD
Retailer 5$1,400 AUD
Retailer 4$1,498 AUD
Retailer 13$1,543 AUD
Retailer 11$1,556 AUD
Retailer 6$1,744 AUD
Retailer 8$2,467 AUD
NZ Jewellers$4,231 AUD

21 data points across 13 retailers

13 retailers$1,324 AUD to $4,231 AUD

B+
Cheapest Retailer
-
$1,324 AUD
Retailer 2
-
$1,349 AUD
View
Price last confirmed 9 days ago
B+
Retailer 3
-
$1,349 AUD
View
B+
Retailer 4
-
$1,364 AUD
View
A
Retailer 5
-
$1,380 AUD
View
B+
Retailer 6
-
$1,391 AUD
View
B+
Retailer 7
-
$1,400 AUD
View
B+
Retailer 8
-
$1,498 AUD
View
B+
Retailer 9
-
$1,543 AUD
View
B+
Retailer 10
-
$1,556 AUD
View
B+
Retailer 11
-
$1,744 AUD
View
B+
Retailer 12
-
$2,467 AUD
View
Most Expensive
C
NZ Jewellers
9848e113-4049-4ee3-921d-e04c9d01de69 · Nov 5
$4,231 AUD
$2,907 USD
View
12 more retailers have this diamond
Prices start from $1,324 AUDSave up to $2,906 AUD

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
$1,324 AUD