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Radiant|Natural|IGI

1.00ct I SI1 Radiant Natural Diamond

VG • I/SI1 • IGI 671474709

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

Certificate IGI 671474709

Diamond specifications and retailer prices

From $1,908 CAD
$1,366 USD
As of October 31, 2026
Save $3,135 CAD (62%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $5,043 CAD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1ct natural radiant diamond

This 1ct natural radiant sits in the classic one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 671474709. Listed at 18 retailers as of October 30, 2026, with prices from $1,908 to $5,043, a $3,135 spread on the same certified stone. NZ Jewellers lists it at $5,043. 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
I
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.6°
Pavilion angle34.2°
OriginNatural
Grading LabIGI
CertificateIGI 671474709
Dimensions7.27 × 5.24 × 3.22 mm
L/W Ratio1.39
Culet sizePointed
Top View
7.27 mm5.24 mm1.00 ctI / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 671474709
Side View
Table 67.0%Crown 39.6°Girdle: THN-MEDPavilion 34.2°Culet: NoneDepth 61.5%

Caratlytics Score

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

Price History

Last verified: Oct 31
Current: $5,043 CAD|Low: $1,701 CAD|High: $5,043 CAD|Avg: $2,415 CAD
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 1, 2026
Retailer 17$1,908 CAD
Retailer 9$1,917 CAD
Retailer 15$1,942 CAD
Retailer 13$2,023 CAD
Retailer 3$2,067 CAD
Retailer 6$2,067 CAD
Retailer 7$2,072 CAD
Retailer 8$2,158 CAD
Retailer 16$2,162 CAD
Retailer 5$2,200 CAD
Retailer 4$2,257 CAD
Retailer 2$2,345 CAD
Retailer 10$2,386 CAD
Retailer 12$2,523 CAD
Retailer 11$2,878 CAD
Retailer 14$3,626 CAD
NZ Jewellers$5,043 CAD

34 data points across 17 retailers

18 retailers$1,908 CAD to $5,043 CAD

B+
Cheapest Retailer
-
$1,908 CAD
$1,366 USD
Final sale: no returns
B+
Retailer 2
-
$1,917 CAD
$1,372 USD
View
B+
Retailer 3
-
$1,942 CAD
$1,390 USD
View
A
Retailer 4
-
$1,978 CAD
A$2,178 AUD
View
B+
Retailer 5
-
$2,023 CAD
£1,140 GBP
View
B+
Retailer 6
-
$2,067 CAD
$1,480 USD
View
B+
Retailer 7
-
$2,067 CAD
$1,480 USD
View
B+
Retailer 8
-
$2,072 CAD
$1,483 USD
View
B+
Retailer 9
-
$2,158 CAD
$1,545 USD
View
B+
Retailer 10
-
$2,162 CAD
$1,548 USD
View
B+
Retailer 11
-
$2,200 CAD
$1,575 USD
View
B+
Retailer 12
-
$2,257 CAD
$1,616 USD
View
B+
Retailer 13
-
$2,345 CAD
£1,322 GBP
View
B+
Retailer 14
-
$2,386 CAD
$1,708 USD
View
A
Retailer 15
-
$2,523 CAD
ZAR 29,183 ZAR
View
B+
Retailer 16
-
$2,878 CAD
€1,962 EUR
View
B
Retailer 17
-
$3,626 CAD
£2,044 GBP
View
Most Expensive
C
NZ Jewellers
08cb3b54-3898-4cb8-b5ad-607dc928e373 · Oct 30
$5,043 CAD
$3,610 USD
View
17 more retailers have this diamond
Prices start from $1,908 CADSave up to $3,135 CAD

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
$1,908 CAD