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Radiant|Natural|IGI

1.00ct I SI1 Radiant Natural Diamond

VG • I/SI1 • IGI 766617727

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

Certificate IGI 766617727

Diamond specifications and retailer prices

From $2,029 NZD
As of November 4, 2026
Save $3,498 NZD (63%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $5,527 NZD at NZ Jewellers · As of November 3, 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 766617727. Listed at 16 retailers as of November 3, 2026, with prices from $2,029 to $5,527, a $3,498 spread on the same certified stone. NZ Jewellers lists it at $5,527. 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 angle44.1°
Pavilion angle34.2°
OriginNatural
Grading LabIGI
CertificateIGI 766617727
Dimensions6.74 × 4.95 × 3.43 mm
L/W Ratio1.36
Culet sizePointed
Top View
6.74 mm4.95 mm1.00 ctI / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 766617727
Side View
Table 66.0%Crown 44.1°Girdle: MED-STKPavilion 34.2°Culet: NoneDepth 69.3%

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 4
Current: $5,527 NZD|Low: $2,029 NZD|High: $5,581 NZD|Avg: $2,834 NZD|-1.0%
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
November 7, 2026
Retailer 12$2,029 NZD
Retailer 10$2,111 NZD
Retailer 8$2,197 NZD
Retailer 4$2,266 NZD
Retailer 6$2,266 NZD
Retailer 14$2,273 NZD
Retailer 7$2,309 NZD
Retailer 5$2,354 NZD
Retailer 11$2,765 NZD
Retailer 3$2,798 NZD
Retailer 9$3,148 NZD
Retailer 13$3,317 NZD
Retailer 2$4,127 NZD
NZ Jewellers$5,527 NZD

22 data points across 14 retailers

16 retailers$2,029 NZD to $5,527 NZD

A
Cheapest Retailer
-
$2,029 NZD
A
Retailer 2
-
$2,111 NZD
View
A
Retailer 3
-
$2,197 NZD
View
A
Retailer 4
-
$2,204 NZD
View
Final sale: no returns
Retailer 5
-
$2,266 NZD
View
Price last confirmed 9 days ago
A
Retailer 6
-
$2,266 NZD
View
A
Retailer 7
-
$2,273 NZD
View
A
Retailer 8
-
$2,309 NZD
View
A
Retailer 9
-
$2,354 NZD
View
B+
Retailer 10
-
$2,529 NZD
View
A
Retailer 11
-
$2,765 NZD
View
B+
Retailer 12
-
$2,798 NZD
View
A
Retailer 13
-
$3,148 NZD
View
A
Retailer 14
-
$3,317 NZD
View
B+
Retailer 15
-
$4,127 NZD
View
Most Expensive
B
NZ Jewellers
edf30b26-637b-4d43-b625-f57293cead79 · Nov 3
$5,527 NZD
$3,064 USD
View
15 more retailers have this diamond
Prices start from $2,029 NZDSave up to $3,498 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
$2,029 NZD