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Marquise|Natural|IGI

1.00ct J VS1 Marquise Natural Diamond

EX • J/VS1 • IGI 831652567

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 831652567

Diamond specifications and retailer prices

From $1,890 SGD
As of November 6, 2026
Save $4,060 SGD (68%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $5,950 SGD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural marquise diamond

This 1ct natural marquise 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 831652567. Listed at 10 retailers as of November 5, 2026, with prices from $1,890 to $5,950, a $4,060 spread on the same certified stone. NZ Jewellers lists it at $5,950. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
J
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle34.1°
OriginNatural
Grading LabIGI
CertificateIGI 831652567
Dimensions11.76 × 5.04 × 2.84 mm
L/W Ratio2.33
Girdle conditionFaceted
Top View
11.76 mm5.04 mm1.00 ctJ / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 831652567
Side View
Table 64.0%Crown 34.7°Girdle: MED-STKPavilion 34.1°CuletDepth 56.3%

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: $5,950 SGD|Low: $1,890 SGD|High: $6,181 SGD|Avg: $3,038 SGD|+9.8%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 2$1,890 SGD
Retailer 6$2,236 SGD
Retailer 8$2,252 SGD
Retailer 3$2,318 SGD
Retailer 9$2,440 SGD
Retailer 7$2,552 SGD
Retailer 10$2,814 SGD
Retailer 5$2,820 SGD
Retailer 4$4,274 SGD
NZ Jewellers$5,950 SGD

39 data points across 10 retailers

10 retailers$1,890 SGD to $5,950 SGD

A
Cheapest Retailer
-
$1,890 SGD
Retailer 2
-
$2,236 SGD
View
Price last confirmed 9 days ago
A
Retailer 3
-
$2,252 SGD
View
Final sale: no returns
A
Retailer 4
-
$2,318 SGD
View
A
Retailer 5
-
$2,440 SGD
View
A
Retailer 6
-
$2,552 SGD
View
A
Retailer 7
-
$2,814 SGD
View
B+
Retailer 8
-
$2,820 SGD
View
B+
Retailer 9
-
$4,274 SGD
View
Most Expensive
C
NZ Jewellers
5fb7dbab-5cce-4cc5-bb25-236cab8ead5e · Nov 5
$5,950 SGD
$4,643 USD
View
9 more retailers have this diamond
Prices start from $1,890 SGDSave up to $4,060 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 Marquise
$1,890 SGD