Marquise|Natural|IGI

1.01ct J SI1 Marquise Natural Diamond

VG • J/SI1 • IGI 735513858

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 735513858

Diamond specifications and retailer prices

From $1,464 SGD
As of November 6, 2026
Save $5,642 SGD (79%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $9,276 SGD at MOH London · As of November 2, 2026
View at MOH London

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 735513858. Listed at 12 retailers as of November 5, 2026, with a 385% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
FluorescenceNone
Crown angle39.7°
Pavilion angle41.1°
OriginNatural
Grading LabIGI
CertificateIGI 735513858
Dimensions10.20 × 5.12 × 3.28 mm
L/W Ratio1.99
Girdle conditionFaceted
Culet sizePointed
Top View
10.20 mm5.12 mm1.01 ctJ / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 735513858
Side View
Table 58.0%Crown 39.7°Girdle: THN-STKPavilion 41.1°Culet: NoneDepth 64.1%

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 6
Current: $9,276 SGD|Low: $1,464 SGD|High: $9,276 SGD|Avg: $2,903 SGD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 2$1,464 SGD
Retailer 7$1,717 SGD
Retailer 6$2,509 SGD
Retailer 4$2,541 SGD
Retailer 11$5,262 SGD
Retailer 10$5,511 SGD
Retailer 8$5,680 SGD
Retailer 9$5,824 SGD
Retailer 3$6,719 SGD
Retailer 5$7,105 SGD
MOH London$9,276 SGD

38 data points across 11 retailers

12 retailers$1,464 SGD to $7,105 SGD

A
Cheapest Retailer
-
$1,464 SGD
A
Retailer 2
-
$1,717 SGD
View
B+
Retailer 3
-
$2,038 SGD
View
B+
Retailer 4
-
$2,509 SGD
View
B+
Retailer 5
-
$2,541 SGD
View
C
Retailer 6
-
$5,262 SGD
View
C
Retailer 7
-
$5,511 SGD
View
C
Retailer 8
-
$5,680 SGD
View
C
Retailer 9
-
$5,824 SGD
View
C
Retailer 10
-
$6,719 SGD
View
C
Retailer 11
-
$7,105 SGD
View
Most Expensive
MOH London
22EB9631F · Nov 2
$9,276 SGD
£5,699 GBP
View
Price under review
11 more retailers have this diamond
Prices start from $1,464 SGDSave up to $5,642 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
$1,464 SGD