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Radiant|Natural|IGI

1.00ct G SI1 Radiant Natural Diamond

VG • G/SI1 • IGI 708570291

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

Certificate IGI 708570291

Diamond specifications and retailer prices

From $4,221 NZD
As of November 6, 2026
Save $5,635 NZD (57%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $9,857 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 708570291. Listed at 15 retailers as of November 5, 2026, with prices from $4,221 to $9,857, a $5,635 spread on the same certified stone. NZ Jewellers lists it at $9,857. 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
G
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.7°
Pavilion angle30.8°
OriginNatural
Grading LabIGI
CertificateIGI 708570291
Dimensions6.14 × 4.94 × 3.46 mm
L/W Ratio1.24
Culet sizePointed
Top View
6.14 mm4.94 mm1.00 ctG / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 708570291
Side View
Table 65.0%Crown 46.7°Girdle: MED-STKPavilion 30.8°Culet: NoneDepth 70.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $9,857 NZD|Low: $4,338 NZD|High: $9,857 NZD|Avg: $5,837 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$4,338 NZD
Retailer 5$4,573 NZD
Retailer 9$4,714 NZD
Retailer 11$4,714 NZD
Retailer 2$4,896 NZD
Retailer 4$5,078 NZD
Retailer 10$5,439 NZD
Retailer 7$5,753 NZD
Retailer 6$5,852 NZD
Retailer 8$8,235 NZD
NZ Jewellers$9,857 NZD

30 data points across 11 retailers

15 retailers$4,221 NZD to $9,857 NZD

B+
Cheapest Retailer
-
$4,221 NZD
B+
Retailer 2
-
$4,338 NZD
View
B+
Retailer 3
-
$4,490 NZD
View
B+
Retailer 4
-
$4,573 NZD
View
B+
Retailer 5
-
$4,654 NZD
View
B+
Retailer 6
-
$4,714 NZD
View
Retailer 7
-
$4,714 NZD
View
Price last confirmed 13 days ago
B+
Retailer 8
-
$4,896 NZD
View
B+
Retailer 9
-
$4,968 NZD
View
B+
Retailer 10
-
$5,078 NZD
View
B
Retailer 11
-
$5,439 NZD
View
B+
Retailer 12
-
$5,753 NZD
View
B
Retailer 13
-
$5,852 NZD
View
B
Retailer 14
-
$8,235 NZD
View
Most Expensive
C
NZ Jewellers
2e9476c9-0ed7-4437-b511-8ef1b36b42b1 · Nov 5
$9,857 NZD
$5,464 USD
View
14 more retailers have this diamond
Prices start from $4,221 NZDSave up to $5,635 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.

B+
1.00ct Radiant
$4,221 NZD