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 $2,340 USD
As of November 6, 2026
Save $3,124 USD (57%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $5,464 USD 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 $2,340 to $5,464, a $3,124 spread on the same certified stone. NZ Jewellers lists it at $5,464. 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
Color
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: $5,464 USD|Low: $2,405 USD|High: $5,464 USD|Avg: $3,236 USD
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$2,405 USD
Retailer 5$2,535 USD
Retailer 9$2,613 USD
Retailer 11$2,613 USD
Retailer 2$2,714 USD
Retailer 4$2,815 USD
Retailer 10$3,015 USD
Retailer 7$3,189 USD
Retailer 6$3,244 USD
Retailer 8$4,565 USD
NZ Jewellers$5,464 USD

30 data points across 11 retailers

15 retailers$2,340 USD to $5,464 USD

B+
Cheapest Retailer
-
$2,340 USD
B+
Retailer 2
-
$2,405 USD
View
B+
Retailer 3
-
$2,489 USD
View
B+
Retailer 4
-
$2,535 USD
View
B+
Retailer 5
-
$2,580 USD
View
B+
Retailer 6
-
$2,613 USD
View
Retailer 7
-
$2,613 USD
View
Price last confirmed 13 days ago
B+
Retailer 8
-
$2,714 USD
View
B+
Retailer 9
-
$2,754 USD
View
B+
Retailer 10
-
$2,815 USD
View
B
Retailer 11
-
$3,015 USD
View
B+
Retailer 12
-
$3,189 USD
View
B
Retailer 13
-
$3,244 USD
View
B
Retailer 14
-
$4,565 USD
View
Most Expensive
C
NZ Jewellers
2e9476c9-0ed7-4437-b511-8ef1b36b42b1 · Nov 5
$5,464 USD
View
14 more retailers have this diamond
Prices start from $2,340 USDSave up to $3,124 USD

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
$2,340 USD