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Marquise|Natural|IGI

1.01ct J SI1 Marquise Natural Diamond

VG • J/SI1 • IGI 689598852

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 689598852

Diamond specifications and retailer prices

From $1,815 SGD
As of November 6, 2026
Save $2,982 SGD (62%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $4,797 SGD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.01ct natural marquise diamond

This 1.01ct natural marquise sits in the classic one-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 689598852. Listed at 17 retailers as of November 5, 2026, with prices from $1,815 to $4,797, a $2,982 spread on the same certified stone. NZ Jewellers lists it at $4,797. 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

1.01
Carat
J
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.8°
Pavilion angle39.7°
OriginNatural
Grading LabIGI
CertificateIGI 689598852
Dimensions9.21 × 5.12 × 3.44 mm
L/W Ratio1.80
Girdle conditionFaceted
Culet sizePointed
Top View
9.21 mm5.12 mm1.01 ctJ / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 689598852
Side View
Table 57.0%Crown 36.8°Girdle: STK-THKPavilion 39.7°Culet: NoneDepth 67.2%

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: $2,209 SGD|Low: $1,664 SGD|High: $3,486 SGD|Avg: $2,222 SGD|+4.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 7$1,815 SGD
Retailer 2$1,822 SGD
Retailer 6$1,846 SGD
Retailer 9$1,960 SGD
Retailer 8$2,056 SGD
Retailer 10$2,076 SGD
Retailer 1$2,209 SGD
Retailer 3$2,399 SGD
Retailer 5$2,673 SGD
Retailer 4$3,435 SGD

43 data points across 10 retailers

17 retailers$1,815 SGD to $4,797 SGD

B+
Cheapest Retailer
-
$1,815 SGD
Final sale: no returns
A
Retailer 2
-
$1,822 SGD
View
A
Retailer 3
-
$1,846 SGD
View
B+
Retailer 4
-
$1,960 SGD
View
B+
Retailer 5
-
$1,967 SGD
View
Retailer 6
-
$1,967 SGD
View
Price last confirmed 9 days ago
B+
Retailer 7
-
$2,056 SGD
View
B+
Retailer 8
-
$2,057 SGD
View
B+
Retailer 9
-
$2,076 SGD
View
B+
Retailer 10
-
$2,140 SGD
View
B+
Retailer 11
-
$2,209 SGD
View
Retailer 12
-
$2,270 SGD
View
Price last confirmed 62 days ago
B+
Retailer 13
-
$2,270 SGD
View
B+
Retailer 14
-
$2,399 SGD
View
B+
Retailer 15
-
$2,673 SGD
View
B
Retailer 16
-
$3,435 SGD
View
Most Expensive
C
NZ Jewellers
18a7ab83-2242-4778-9df9-c5a7ba029c24 · Nov 5
$4,797 SGD
$3,743 USD
View
16 more retailers have this diamond
Prices start from $1,815 SGDSave up to $2,982 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
1.01ct Marquise
$1,815 SGD