CaratHunter
Plans
Radiant|Natural|IGI

1.00ct J VS1 Radiant Natural Diamond

VG • J/VS1 • IGI 826630215

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

Certificate IGI 826630215

Diamond specifications and retailer prices

From $1,678 SGD
As of November 5, 2026
Save $2,736 SGD (62%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $4,414 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 826630215. Listed at 14 retailers as of November 5, 2026, with prices from $1,678 to $4,414, a $2,736 spread on the same certified stone. NZ Jewellers lists it at $4,414. 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
FluorescenceFaint
Crown angle38.5°
Pavilion angle30.9°
OriginNatural
Grading LabIGI
CertificateIGI 826630215
Dimensions5.77 × 5.07 × 3.52 mm
L/W Ratio1.14
Top View
5.77 mm5.07 mm1.00 ctJ / VS1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 826630215
Side View
Table 61.0%Crown 38.5°Girdle: ThickPavilion 30.9°Culet: NoneDepth 69.4%

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 5
Current: $4,414 SGD|Low: $1,678 SGD|High: $4,484 SGD|Avg: $2,264 SGD|-1.6%
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
November 7, 2026
Retailer 6$1,678 SGD
Retailer 7$1,719 SGD
Retailer 5$1,810 SGD
Retailer 13$1,810 SGD
Retailer 14$1,828 SGD
Retailer 4$1,893 SGD
Retailer 11$1,942 SGD
Retailer 12$1,983 SGD
Retailer 2$2,031 SGD
Retailer 3$2,088 SGD
Retailer 9$2,208 SGD
Retailer 8$2,508 SGD
Retailer 10$3,305 SGD
NZ Jewellers$4,414 SGD

30 data points across 14 retailers

14 retailers$1,678 SGD to $4,414 SGD

A
Cheapest Retailer
-
$1,678 SGD
A
Retailer 2
-
$1,719 SGD
View
A
Retailer 3
-
$1,810 SGD
View
Retailer 4
-
$1,810 SGD
View
Price last confirmed 9 days ago
A
Retailer 5
-
$1,828 SGD
View
A
Retailer 6
-
$1,893 SGD
View
A
Retailer 7
-
$1,942 SGD
View
A
Retailer 8
-
$1,983 SGD
View
A
Retailer 9
-
$2,031 SGD
View
A
Retailer 10
-
$2,088 SGD
View
A
Retailer 11
-
$2,208 SGD
View
B+
Retailer 12
-
$2,508 SGD
View
B
Retailer 13
-
$3,305 SGD
View
Most Expensive
B
NZ Jewellers
8193baa3-2a43-4ed0-9f30-6d67beedb5dd · Nov 5
$4,414 SGD
$3,444 USD
View
13 more retailers have this diamond
Prices start from $1,678 SGDSave up to $2,736 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
$1,678 SGD