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Marquise|Natural|IGI

1.00ct K SI2 Marquise Natural Diamond

VG • K/SI2 • IGI 778617524

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 778617524

Diamond specifications and retailer prices

From $1,133 SGD
As of November 6, 2026
Save $2,584 SGD (70%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $3,717 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 K colour (faint-tinted) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 778617524. Listed at 13 retailers as of November 5, 2026, with prices from $1,133 to $3,717, a $2,584 spread on the same certified stone. NZ Jewellers lists it at $3,717. 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
K
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle38°
OriginNatural
Grading LabIGI
CertificateIGI 778617524
Dimensions10.13 × 5.34 × 3.21 mm
L/W Ratio1.90
Girdle conditionFaceted
Culet sizePointed
Top View
10.13 mm5.34 mm1.00 ctK / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 778617524
Side View
Table 58.0%Crown 34.1°Girdle: MED-THKPavilion 38°Culet: NoneDepth 60.1%

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: $1,133 SGD|Low: $1,133 SGD|High: $2,825 SGD|Avg: $1,722 SGD|-3.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 1$1,133 SGD
Retailer 9$1,460 SGD
Retailer 11$1,524 SGD
Retailer 8$1,583 SGD
Retailer 2$1,585 SGD
Retailer 12$1,648 SGD
Retailer 10$1,675 SGD
Retailer 3$1,695 SGD
Retailer 7$1,724 SGD
Retailer 4$1,759 SGD
Retailer 5$1,966 SGD
Retailer 6$2,783 SGD

46 data points across 12 retailers

13 retailers$1,133 SGD to $3,717 SGD

A
Cheapest Retailer
-
$1,133 SGD
B+
Retailer 2
-
$1,460 SGD
View
Retailer 3
-
$1,524 SGD
View
Price last confirmed 8 days ago
B+
Retailer 4
-
$1,524 SGD
View
B+
Retailer 5
-
$1,583 SGD
View
B+
Retailer 6
-
$1,585 SGD
View
B+
Retailer 7
-
$1,675 SGD
View
B+
Retailer 8
-
$1,695 SGD
View
B+
Retailer 9
-
$1,724 SGD
View
B+
Retailer 10
-
$1,759 SGD
View
B+
Retailer 11
-
$1,966 SGD
View
B+
Retailer 12
-
$2,783 SGD
View
Most Expensive
B
NZ Jewellers
bfb7851c-c2b8-445b-a8fc-a74bbb8d6760 · Nov 5
$3,717 SGD
$2,910 USD
View
12 more retailers have this diamond
Prices start from $1,133 SGDSave up to $2,584 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
$1,133 SGD