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Marquise|Natural|IGI

1.00ct K SI2 Marquise Natural Diamond

VG • K/SI2 • IGI 788607922

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 788607922

Diamond specifications and retailer prices

From $1,482 SGD
As of November 5, 2026
Save $2,289 SGD (61%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $3,771 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 788607922. Listed at 12 retailers as of November 5, 2026, with prices from $1,482 to $3,771, a $2,289 spread on the same certified stone. NZ Jewellers lists it at $3,771. 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 angle37.3°
Pavilion angle31.8°
OriginNatural
Grading LabIGI
CertificateIGI 788607922
Dimensions10.54 × 5.24 × 2.97 mm
L/W Ratio2.01
Girdle conditionFaceted
Culet sizePointed
Top View
10.54 mm5.24 mm1.00 ctK / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 788607922
Side View
Table 57.0%Crown 37.3°Girdle: STK-VTKPavilion 31.8°Culet: NoneDepth 56.7%

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 5
Current: $3,771 SGD|Low: $1,482 SGD|High: $3,886 SGD|Avg: $1,973 SGD|-3.0%
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 3$1,482 SGD
Retailer 11$1,546 SGD
Retailer 2$1,558 SGD
Retailer 4$1,593 SGD
Retailer 10$1,606 SGD
Retailer 13$1,607 SGD
Retailer 12$1,655 SGD
Retailer 6$1,695 SGD
Retailer 8$1,758 SGD
Retailer 5$1,894 SGD
Retailer 7$2,119 SGD
Retailer 9$2,824 SGD
NZ Jewellers$3,771 SGD

43 data points across 13 retailers

12 retailers$1,482 SGD to $3,771 SGD

B+
Cheapest Retailer
-
$1,482 SGD
A
Retailer 2
-
$1,546 SGD
View
A
Retailer 3
-
$1,558 SGD
View
Retailer 4
-
$1,593 SGD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$1,606 SGD
View
B+
Retailer 6
-
$1,607 SGD
View
B+
Retailer 7
-
$1,655 SGD
View
B+
Retailer 8
-
$1,695 SGD
View
B+
Retailer 9
-
$1,758 SGD
View
B+
Retailer 10
-
$2,119 SGD
View
B+
Retailer 11
-
$2,824 SGD
View
Most Expensive
B
NZ Jewellers
037fd41a-2627-4d31-b2d7-6bf1d495cff7 · Nov 5
$3,771 SGD
$2,952 USD
View
11 more retailers have this diamond
Prices start from $1,482 SGDSave up to $2,289 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
$1,482 SGD