Radiant|Natural|IGI

1.01ct I SI2 Radiant Natural Diamond

VG • I/SI2 • IGI 530201817

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

Certificate IGI 530201817

Diamond specifications and retailer prices

From $1,052 USD
As of October 31, 2026
Save $1,729 USD (62%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,781 USD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.01ct natural radiant diamond

This 1.01ct natural radiant sits in the classic one-carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 530201817. Listed at 14 retailers as of October 30, 2026, with prices from $1,052 to $2,781, a $1,729 spread on the same certified stone. NZ Jewellers lists it at $2,781. 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

1.01
Carat
I
Color
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
Crown angle46.7°
Pavilion angle28.8°
OriginNatural
Grading LabIGI
CertificateIGI 530201817
Dimensions6.20 × 4.96 × 3.42 mm
L/W Ratio1.25
Culet sizePointed
Cert comments
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Top View
6.20 mm4.96 mm1.01 ctI / SI2
OriginNatural
CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateIGI 530201817
Side View
Table 58.0%Crown 46.7°Girdle: ThickPavilion 28.8°Culet: NoneDepth 69.0%

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: Oct 31
Current: $2,781 USD|Low: $634 USD|High: $2,781 USD|Avg: $1,453 USD
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
November 1, 2026
Retailer 7$634 USD
Retailer 14$1,052 USD
Retailer 5$1,092 USD
Retailer 3$1,100 USD
Retailer 8$1,127 USD
Retailer 2$1,140 USD
Retailer 12$1,140 USD
Retailer 13$1,184 USD
Retailer 15$1,211 USD
Retailer 4$1,275 USD
Retailer 10$1,316 USD
Retailer 11$1,597 USD
Retailer 9$2,089 USD
Retailer 6$2,281 USD
NZ Jewellers$2,781 USD

16 data points across 15 retailers

14 retailers$1,052 USD to $2,781 USD

B+
Cheapest Retailer
-
$1,052 USD
Final sale: no returns
B+
Retailer 2
-
$1,092 USD
View
B+
Retailer 3
-
$1,100 USD
View
A
Retailer 4
-
$1,127 USD
£888 GBP
View
B+
Retailer 5
-
$1,140 USD
View
B+
Retailer 6
-
$1,140 USD
View
B+
Retailer 7
-
$1,184 USD
View
B+
Retailer 8
-
$1,211 USD
View
B+
Retailer 9
-
$1,275 USD
View
B+
Retailer 10
-
$1,316 USD
View
B+
Retailer 11
-
$1,316 USD
View
B+
Retailer 12
-
$1,597 USD
€1,521 EUR
View
B+
Retailer 13
-
$2,089 USD
£1,645 GBP
View
Most Expensive
B
NZ Jewellers
fbcce355-2f28-4df9-ab41-612165d82fca · Oct 30
$2,781 USD
View
13 more retailers have this diamond
Prices start from $1,052 USDSave up to $1,729 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.

A
1.01ct Radiant
$1,052 USD