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Marquise|Natural|IGI

1.01ct J SI1 Marquise Natural Diamond

EX • J/SI1 • IGI 805693963

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 805693963

Diamond specifications and retailer prices

From $1,574 SGD
As of November 6, 2026
Save $3,221 SGD (67%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $4,794 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 top-tier cut grade and certified by IGI 805693963. Listed at 16 retailers as of November 5, 2026, with prices from $1,574 to $4,794, a $3,221 spread on the same certified stone. NZ Jewellers lists it at $4,794. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.01
Carat
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle38.3°
Pavilion angle40°
OriginNatural
Grading LabIGI
CertificateIGI 805693963
Dimensions10.24 × 5.14 × 3.27 mm
L/W Ratio1.99
Girdle conditionFaceted
Top View
10.24 mm5.14 mm1.01 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 805693963
Side View
Table 61.0%Crown 38.3°Girdle: Slightly ThickPavilion 40°Culet: NoneDepth 63.6%

Caratlytics Score

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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 6
Current: $4,794 SGD|Low: $1,574 SGD|High: $4,794 SGD|Avg: $2,374 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
November 6, 2026
Retailer 2$1,574 SGD
Retailer 5$1,813 SGD
Retailer 6$1,906 SGD
Retailer 4$1,958 SGD
Retailer 3$1,966 SGD
Retailer 12$1,966 SGD
Retailer 13$2,056 SGD
Retailer 7$2,208 SGD
Retailer 10$2,268 SGD
Retailer 8$2,398 SGD
Retailer 11$2,682 SGD
Retailer 9$3,433 SGD
NZ Jewellers$4,794 SGD

26 data points across 13 retailers

16 retailers$1,574 SGD to $4,794 SGD

A
Cheapest Retailer
-
$1,574 SGD
A
Retailer 2
-
$1,813 SGD
View
Final sale: no returns
A
Retailer 3
-
$1,821 SGD
View
A
Retailer 4
-
$1,906 SGD
View
A
Retailer 5
-
$1,958 SGD
View
Retailer 6
-
$1,966 SGD
View
Price last confirmed 9 days ago
A
Retailer 7
-
$1,966 SGD
View
A
Retailer 8
-
$2,056 SGD
View
B+
Retailer 9
-
$2,076 SGD
View
B+
Retailer 10
-
$2,139 SGD
View
B+
Retailer 11
-
$2,208 SGD
View
A
Retailer 12
-
$2,268 SGD
View
A
Retailer 13
-
$2,398 SGD
View
B+
Retailer 14
-
$2,682 SGD
View
B
Retailer 15
-
$3,433 SGD
View
Most Expensive
B
NZ Jewellers
cedf99a2-de37-4dc7-a586-ecf45c7fde6b · Nov 5
$4,794 SGD
$3,741 USD
View
15 more retailers have this diamond
Prices start from $1,574 SGDSave up to $3,221 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
$1,574 SGD