Radiant|Natural|IGI

1.00ct I SI1 Radiant Natural Diamond

VG • I/SI1 • IGI 668406118

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

Certificate IGI 668406118

Diamond specifications and retailer prices

From $1,594 CAD
$1,141 USD
As of October 30, 2026
Save $2,619 CAD (62%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $4,213 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 668406118. Listed at 17 retailers as of October 30, 2026, with prices from $1,594 to $4,213, a $2,619 spread on the same certified stone. NZ Jewellers lists it at $4,213. 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
FluorescenceFaint
Crown angle47.7°
Pavilion angle39°
OriginNatural
Grading LabIGI
CertificateIGI 668406118
Dimensions7.36 × 4.71 × 3.31 mm
L/W Ratio1.56
Culet sizePointed
Top View
7.36 mm4.71 mm1.00 ctI / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 668406118
Side View
Table 62.0%Crown 47.7°Girdle: MediumPavilion 39°Culet: NoneDepth 70.3%

Caratlytics Score

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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: Oct 30
Current: $4,213 CAD|Low: $1,461 CAD|High: $4,219 CAD|Avg: $2,089 CAD|-0.1%
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
October 31, 2026
Retailer 16$1,594 CAD
Retailer 14$1,648 CAD
Retailer 17$1,654 CAD
Retailer 15$1,655 CAD
Retailer 3$1,705 CAD
Retailer 6$1,728 CAD
Retailer 9$1,728 CAD
Retailer 4$1,794 CAD
Retailer 5$1,796 CAD
Retailer 7$1,805 CAD
Retailer 8$1,916 CAD
Retailer 2$1,993 CAD
Retailer 10$2,004 CAD
Retailer 12$2,109 CAD
Retailer 11$2,414 CAD
Retailer 13$3,181 CAD
NZ Jewellers$4,213 CAD

44 data points across 17 retailers

17 retailers$1,594 CAD to $4,213 CAD

A
Cheapest Retailer
-
$1,594 CAD
$1,141 USD
Final sale: no returns
A
Retailer 2
-
$1,648 CAD
$1,180 USD
View
A
Retailer 3
-
$1,654 CAD
$1,184 USD
View
A
Retailer 4
-
$1,655 CAD
$1,185 USD
View
Retailer 5
-
$1,705 CAD
£961 GBP
View
Price last confirmed 31 days ago
A
Retailer 6
-
$1,728 CAD
$1,237 USD
View
A
Retailer 7
-
$1,728 CAD
$1,237 USD
View
B+
Retailer 8
-
$1,794 CAD
$1,284 USD
View
B+
Retailer 9
-
$1,796 CAD
$1,286 USD
View
B+
Retailer 10
-
$1,805 CAD
$1,292 USD
View
B+
Retailer 11
-
$1,916 CAD
$1,371 USD
View
B+
Retailer 12
-
$1,993 CAD
$1,427 USD
View
B+
Retailer 13
-
$2,004 CAD
£1,130 GBP
View
A
Retailer 14
-
$2,109 CAD
ZAR 24,386 ZAR
View
B+
Retailer 15
-
$2,414 CAD
€1,646 EUR
View
B+
Retailer 16
-
$3,181 CAD
£1,793 GBP
View
Most Expensive
B
NZ Jewellers
0d51d9f8-e1d2-4c0d-a64e-38ef3143801b · Oct 30
$4,213 CAD
$3,016 USD
View
16 more retailers have this diamond
Prices start from $1,594 CADSave up to $2,619 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
$1,594 CAD