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Marquise|Natural|IGI

1.00ct J VS1 Marquise Natural Diamond

VG • J/VS1 • IGI 613369339

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 613369339

Diamond specifications and retailer prices

From $1,902 SGD
As of November 4, 2026
Save $3,128 SGD (62%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $5,030 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 very-good cut grade and certified by IGI 613369339. Listed at 13 retailers as of November 4, 2026, with prices from $1,902 to $5,030, a $3,128 spread on the same certified stone. NZ Jewellers lists it at $5,030. 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
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle32.6°
Pavilion angle37.7°
OriginNatural
Grading LabIGI
CertificateIGI 613369339
Dimensions9.92 × 5.60 × 3.11 mm
L/W Ratio1.77
Girdle conditionFaceted
Culet sizePointed
Top View
9.92 mm5.60 mm1.00 ctJ / VS1
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI 613369339
Side View
Table 63.0%Crown 32.6°Girdle: STK-THKPavilion 37.7°Culet: NoneDepth 55.5%

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 4
Current: $5,030 SGD|Low: $1,772 SGD|High: $5,110 SGD|Avg: $2,560 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
November 6, 2026
Retailer 11$1,902 SGD
Retailer 7$1,911 SGD
Retailer 4$2,022 SGD
Retailer 12$2,062 SGD
Retailer 5$2,095 SGD
Retailer 13$2,157 SGD
Retailer 9$2,166 SGD
Retailer 2$2,326 SGD
Retailer 8$2,380 SGD
Retailer 6$2,517 SGD
Retailer 10$2,804 SGD
Retailer 3$3,669 SGD
NZ Jewellers$5,030 SGD

39 data points across 13 retailers

13 retailers$1,902 SGD to $5,030 SGD

A
Cheapest Retailer
-
$1,902 SGD
Final sale: no returns
A
Retailer 2
-
$1,911 SGD
View
A
Retailer 3
-
$2,022 SGD
View
A
Retailer 4
-
$2,062 SGD
View
Retailer 5
-
$2,095 SGD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$2,157 SGD
View
B+
Retailer 7
-
$2,166 SGD
View
A
Retailer 8
-
$2,326 SGD
View
B+
Retailer 9
-
$2,380 SGD
View
A
Retailer 10
-
$2,517 SGD
View
B+
Retailer 11
-
$2,804 SGD
View
B+
Retailer 12
-
$3,669 SGD
View
Most Expensive
B
NZ Jewellers
fcc663dd-ad05-4521-bd2d-c096ef8fd700 · Nov 5
$5,030 SGD
$3,925 USD
View
12 more retailers have this diamond
Prices start from $1,902 SGDSave up to $3,128 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
$1,902 SGD