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Round|Natural|IGI

1.02ct J VS1 Round Natural Diamond

EX • J/VS1 • IGI 478135271

Shape and cutting style on the report: Round brilliant

Certificate IGI 478135271

Diamond specifications and retailer prices

From $1,953 SGD
As of November 4, 2026
Save $3,209 SGD (62%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $5,162 SGD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.02ct natural round diamond

This 1.02ct natural round sits in the classic one-carat band, graded J colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI 478135271. Listed at 15 retailers as of November 4, 2026, with prices from $1,953 to $5,162, a $3,209 spread on the same certified stone. NZ Jewellers lists it at $5,162. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.02
Carat
J
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34.3°
Pavilion angle41.1°
OriginNatural
Grading LabIGI
CertificateIGI 478135271
Dimensions6.44 × 6.48 × 3.94 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
6.44 mm6.48 mm1.02 ctJ / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 478135271
Side View
Table 60.0%Crown 34.3°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 61.0%

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 4
Current: $5,162 SGD|Low: $1,789 SGD|High: $5,162 SGD|Avg: $2,558 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 6, 2026
Retailer 15$1,953 SGD
Retailer 13$1,961 SGD
Retailer 17$1,961 SGD
Retailer 4$2,003 SGD
Retailer 7$2,116 SGD
Retailer 16$2,116 SGD
Retailer 5$2,214 SGD
Retailer 9$2,290 SGD
Retailer 2$2,373 SGD
Retailer 8$2,395 SGD
Retailer 6$2,442 SGD
Retailer 10$2,521 SGD
Retailer 12$2,583 SGD
Retailer 11$2,866 SGD
Retailer 3$3,017 SGD
Retailer 14$3,727 SGD
NZ Jewellers$5,162 SGD

39 data points across 17 retailers

15 retailers$1,953 SGD to $5,162 SGD

A
Cheapest Retailer
-
$1,953 SGD
Final sale: no returns
A
Retailer 2
-
$1,961 SGD
View
A
Retailer 3
-
$1,961 SGD
View
A
Retailer 4
-
$2,116 SGD
View
A
Retailer 5
-
$2,214 SGD
View
A
Retailer 6
-
$2,290 SGD
View
A
Retailer 7
-
$2,373 SGD
View
Retailer 8
-
$2,395 SGD
View
Price last confirmed 102 days ago
A
Retailer 9
-
$2,442 SGD
View
A
Retailer 10
-
$2,521 SGD
View
A
Retailer 11
-
$2,583 SGD
View
B+
Retailer 12
-
$2,866 SGD
View
B+
Retailer 13
-
$3,017 SGD
View
Retailer 14
-
$3,727 SGD
View
Price last confirmed 8 days ago
Most Expensive
B
NZ Jewellers
3e080f9d-2162-45e2-b8ce-3fcd52c5e002 · Nov 5
$5,162 SGD
$4,041 USD
View
14 more retailers have this diamond
Prices start from $1,953 SGDSave up to $3,209 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
1.02ct Round
$1,953 SGD