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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 $2,464 NZD
As of November 6, 2026
Save $4,048 NZD (62%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $6,512 NZD 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 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 November 5, 2026, with prices from $2,464 to $6,512, a $4,048 spread on the same certified stone. NZ Jewellers lists it at $6,512. 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
Colour
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: Nov 6
Current: $6,512 NZD|Low: $2,258 NZD|High: $6,512 NZD|Avg: $3,210 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 7, 2026
Retailer 3$2,464 NZD
Retailer 8$2,489 NZD
Retailer 5$2,589 NZD
Retailer 10$2,670 NZD
Retailer 9$2,792 NZD
Retailer 4$2,998 NZD
Retailer 11$3,081 NZD
Retailer 7$3,258 NZD
Retailer 6$3,696 NZD
Retailer 2$4,652 NZD
NZ Jewellers$6,512 NZD

35 data points across 11 retailers

18 retailers$2,464 NZD to $6,512 NZD

B+
Cheapest Retailer
-
$2,464 NZD
Final sale: no returns
B+
Retailer 2
-
$2,475 NZD
View
A
Retailer 3
-
$2,489 NZD
View
A
Retailer 4
-
$2,553 NZD
View
A
Retailer 5
-
$2,589 NZD
View
Retailer 6
-
$2,670 NZD
View
Price last confirmed 9 days ago
B+
Retailer 7
-
$2,670 NZD
View
B+
Retailer 8
-
$2,675 NZD
View
B+
Retailer 9
-
$2,787 NZD
View
B+
Retailer 10
-
$2,792 NZD
View
B+
Retailer 11
-
$2,841 NZD
View
B+
Retailer 12
-
$2,913 NZD
View
B+
Retailer 13
-
$2,998 NZD
View
B+
Retailer 14
-
$3,081 NZD
View
B+
Retailer 15
-
$3,258 NZD
View
B+
Retailer 16
-
$3,696 NZD
View
B
Retailer 17
-
$4,652 NZD
View
Most Expensive
C
NZ Jewellers
08cb3b54-3898-4cb8-b5ad-607dc928e373 · Nov 5
$6,512 NZD
$3,610 USD
View
17 more retailers have this diamond
Prices start from $2,464 NZDSave up to $4,048 NZD

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
$2,464 NZD