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Radiant|Natural|IGI

1.00ct J VS1 Radiant Natural Diamond

VG • J/VS1 • IGI 634413491

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

Certificate IGI 634413491

Diamond specifications and retailer prices

From $1,828 SGD
As of November 6, 2026
Save $3,002 SGD (62%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $4,829 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 634413491. Listed at 18 retailers as of November 5, 2026, with prices from $1,828 to $4,829, a $3,002 spread on the same certified stone. NZ Jewellers lists it at $4,829. 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 angle35.7°
Pavilion angle36.6°
OriginNatural
Grading LabIGI
CertificateIGI 634413491
Dimensions6.94 × 5.10 × 3.37 mm
L/W Ratio1.36
Culet sizePointed
Top View
6.94 mm5.10 mm1.00 ctJ / VS1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 634413491
Side View
Table 69.0%Crown 35.7°Girdle: MediumPavilion 36.6°Culet: NoneDepth 66.1%

Caratlytics Score

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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: $4,829 SGD|Low: $1,758 SGD|High: $4,829 SGD|Avg: $2,328 SGD
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
Retailer 16
Retailer 17
November 7, 2026
Retailer 7$1,828 SGD
Retailer 9$1,835 SGD
Retailer 15$1,839 SGD
Retailer 14$1,846 SGD
Retailer 10$1,881 SGD
Retailer 4$1,970 SGD
Retailer 3$1,980 SGD
Retailer 8$1,980 SGD
Retailer 17$2,070 SGD
Retailer 6$2,071 SGD
Retailer 16$2,153 SGD
Retailer 2$2,224 SGD
Retailer 5$2,285 SGD
Retailer 12$2,416 SGD
Retailer 11$2,688 SGD
Retailer 13$3,460 SGD
NZ Jewellers$4,829 SGD

40 data points across 17 retailers

18 retailers$1,828 SGD to $4,829 SGD

A
Cheapest Retailer
-
$1,828 SGD
Final sale: no returns
A
Retailer 2
-
$1,835 SGD
View
A
Retailer 3
-
$1,839 SGD
View
A
Retailer 4
-
$1,846 SGD
View
A
Retailer 5
-
$1,881 SGD
View
A
Retailer 6
-
$1,970 SGD
View
A
Retailer 7
-
$1,980 SGD
View
Retailer 8
-
$1,980 SGD
View
Price last confirmed 9 days ago
A
Retailer 9
-
$2,070 SGD
View
A
Retailer 10
-
$2,071 SGD
View
A
Retailer 11
-
$2,130 SGD
View
A
Retailer 12
-
$2,153 SGD
View
A
Retailer 13
-
$2,224 SGD
View
B+
Retailer 14
-
$2,285 SGD
View
A
Retailer 15
-
$2,416 SGD
View
B+
Retailer 16
-
$2,688 SGD
View
B
Retailer 17
-
$3,460 SGD
View
Most Expensive
B
NZ Jewellers
925d52e8-7a2e-48e4-a56d-d2fb81a9d2f0 · Nov 5
$4,829 SGD
$3,768 USD
View
17 more retailers have this diamond
Prices start from $1,828 SGDSave up to $3,002 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
$1,828 SGD