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Radiant|Natural|IGI

1.00ct J VS1 Radiant Natural Diamond

VG • J/VS1 • IGI 803681856

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

Certificate IGI 803681856

Diamond specifications and retailer prices

From $1,179 SGD
As of November 6, 2026
Save $2,650 SGD (69%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,829 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 VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI 803681856. Listed at 15 retailers as of November 5, 2026, with prices from $1,179 to $3,829, a $2,650 spread on the same certified stone. NZ Jewellers lists it at $3,829. 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
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.1°
Pavilion angle36.2°
OriginNatural
Grading LabIGI
CertificateIGI 803681856
Dimensions6.37 × 4.99 × 3.57 mm
L/W Ratio1.28
Top View
6.37 mm4.99 mm1.00 ctJ / VS1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 803681856
Side View
Table 63.0%Crown 46.1°Girdle: Slightly ThickPavilion 36.2°Culet: NoneDepth 71.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $1,820 SGD|Low: $1,179 SGD|High: $2,890 SGD|Avg: $1,756 SGD|+2.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 7, 2026
Retailer 2$1,179 SGD
Retailer 5$1,456 SGD
Retailer 3$1,492 SGD
Retailer 7$1,517 SGD
Retailer 8$1,711 SGD
Retailer 1$1,820 SGD
Retailer 4$2,183 SGD
Retailer 6$2,876 SGD

27 data points across 8 retailers

15 retailers$1,179 SGD to $3,829 SGD

A
Cheapest Retailer
-
$1,179 SGD
A
Retailer 2
-
$1,448 SGD
View
Final sale: no returns
A
Retailer 3
-
$1,456 SGD
View
A
Retailer 4
-
$1,492 SGD
View
A
Retailer 5
-
$1,517 SGD
View
A
Retailer 6
-
$1,570 SGD
View
B+
Retailer 7
-
$1,630 SGD
View
A
Retailer 8
-
$1,711 SGD
View
B+
Retailer 9
-
$1,811 SGD
View
B+
Retailer 10
-
$1,820 SGD
View
B+
Retailer 11
-
$1,913 SGD
View
B+
Retailer 12
-
$2,183 SGD
View
B+
Retailer 13
-
$2,252 SGD
View
B+
Retailer 14
-
$2,876 SGD
View
Most Expensive
B
NZ Jewellers
69067996-e289-495b-acdd-49529d40c4fb · Nov 5
$3,829 SGD
$2,988 USD
View
14 more retailers have this diamond
Prices start from $1,179 SGDSave up to $2,650 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
$1,179 SGD