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Marquise|Natural|IGI

1.00ct G SI2 Marquise Natural Diamond

VG • G/SI2 • IGI 743559200

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 743559200

Diamond specifications and retailer prices

From $1,920 SGD
As of November 6, 2026
Save $4,172 SGD (68%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $6,091 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 G colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 743559200. Listed at 16 retailers as of November 5, 2026, with prices from $1,920 to $6,091, a $4,172 spread on the same certified stone. NZ Jewellers lists it at $6,091. 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
G
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.5°
Pavilion angle37.3°
OriginNatural
Grading LabIGI
CertificateIGI 743559200
Dimensions9.54 × 5.08 × 3.23 mm
L/W Ratio1.88
Girdle conditionFaceted
Top View
9.54 mm5.08 mm1.00 ctG / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 743559200
Side View
Table 63.0%Crown 45.5°Girdle: MED-STKPavilion 37.3°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: $6,091 SGD|Low: $1,920 SGD|High: $6,248 SGD|Avg: $2,884 SGD|-2.5%
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
Retailer 14
Retailer 15
Retailer 16
November 6, 2026
Retailer 9$1,920 SGD
Retailer 7$2,224 SGD
Retailer 4$2,306 SGD
Retailer 5$2,312 SGD
Retailer 10$2,456 SGD
Retailer 3$2,498 SGD
Retailer 8$2,498 SGD
Retailer 16$2,498 SGD
Retailer 2$2,576 SGD
Retailer 14$2,613 SGD
Retailer 12$2,620 SGD
Retailer 15$2,673 SGD
Retailer 6$2,881 SGD
Retailer 13$3,349 SGD
Retailer 11$4,363 SGD
NZ Jewellers$6,091 SGD

27 data points across 16 retailers

16 retailers$1,920 SGD to $6,091 SGD

A
Cheapest Retailer
-
$1,920 SGD
A
Retailer 2
-
$2,224 SGD
View
A
Retailer 3
-
$2,306 SGD
View
Final sale: no returns
A
Retailer 4
-
$2,312 SGD
View
A
Retailer 5
-
$2,456 SGD
View
B+
Retailer 6
-
$2,498 SGD
View
A
Retailer 7
-
$2,498 SGD
View
Retailer 8
-
$2,498 SGD
View
Price last confirmed 8 days ago
A
Retailer 9
-
$2,576 SGD
View
A
Retailer 10
-
$2,613 SGD
View
B+
Retailer 11
-
$2,620 SGD
View
B+
Retailer 12
-
$2,673 SGD
View
A
Retailer 13
-
$2,881 SGD
View
A
Retailer 14
-
$3,349 SGD
View
B+
Retailer 15
-
$4,363 SGD
View
Most Expensive
B
NZ Jewellers
073de9d3-30fb-4102-afa0-0fd698c9c753 · Nov 5
$6,091 SGD
$4,753 USD
View
15 more retailers have this diamond
Prices start from $1,920 SGDSave up to $4,172 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
$1,920 SGD