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Radiant|Natural|IGI

1.00ct J SI2 Radiant Natural Diamond

VG • J/SI2 • IGI 743535404

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

Certificate IGI 743535404

Diamond specifications and retailer prices

From $1,241 SGD
As of November 6, 2026
Save $2,039 SGD (62%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $3,280 SGD 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 J colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 743535404. Listed at 13 retailers as of November 5, 2026, with prices from $1,241 to $3,280, a $2,039 spread on the same certified stone. NZ Jewellers lists it at $3,280. 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
J
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle46.8°
Pavilion angle33.4°
OriginNatural
Grading LabIGI
CertificateIGI 743535404
Dimensions6.68 × 4.92 × 3.36 mm
L/W Ratio1.36
Culet sizePointed
Top View
6.68 mm4.92 mm1.00 ctJ / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 743535404
Side View
Table 67.0%Crown 46.8°Girdle: MED-STKPavilion 33.4°Culet: NoneDepth 68.3%

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 6
Current: $3,280 SGD|Low: $1,137 SGD|High: $3,280 SGD|Avg: $1,704 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 5$1,241 SGD
Retailer 2$1,339 SGD
Retailer 9$1,344 SGD
Retailer 11$1,344 SGD
Retailer 8$1,393 SGD
Retailer 7$1,397 SGD
Retailer 10$1,452 SGD
Retailer 3$1,552 SGD
Retailer 4$1,876 SGD
Retailer 6$2,458 SGD
NZ Jewellers$3,280 SGD

45 data points across 11 retailers

13 retailers$1,241 SGD to $3,280 SGD

A
Cheapest Retailer
-
$1,241 SGD
Final sale: no returns
B+
Retailer 2
-
$1,288 SGD
View
A
Retailer 3
-
$1,339 SGD
View
B+
Retailer 4
-
$1,344 SGD
View
Retailer 5
-
$1,344 SGD
View
Price last confirmed 9 days ago
B+
Retailer 6
-
$1,393 SGD
View
B+
Retailer 7
-
$1,397 SGD
View
B+
Retailer 8
-
$1,452 SGD
View
B+
Retailer 9
-
$1,516 SGD
View
B+
Retailer 10
-
$1,552 SGD
View
B+
Retailer 11
-
$1,876 SGD
View
B
Retailer 12
-
$2,458 SGD
View
Most Expensive
B
NZ Jewellers
33271e23-3a64-4af8-9625-b86a75f93748 · Nov 5
$3,280 SGD
$2,559 USD
View
12 more retailers have this diamond
Prices start from $1,241 SGDSave up to $2,039 SGD

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
$1,241 SGD