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Marquise|Natural|IGI

0.51ct K VS1 Marquise Natural Diamond

VG • K/VS1 • IGI 731559808

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 731559808

Diamond specifications and retailer prices

From $312 SGD
As of November 6, 2026
Save $1,303 SGD (81%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,615 SGD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 0.51ct natural marquise diamond

This 0.51ct natural marquise sits in the half to three-quarter carat band, graded K colour (faint-tinted) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI 731559808. Listed at 14 retailers as of November 5, 2026, with prices from $312 to $1,615, a $1,303 spread on the same certified stone. NZ Jewellers lists it at $1,615. 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

0.51
Carat
K
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle38.8°
OriginNatural
Grading LabIGI
CertificateIGI 731559808
Dimensions8.12 × 4.34 × 2.54 mm
L/W Ratio1.87
Girdle conditionFaceted
Culet sizePointed
Top View
8.12 mm4.34 mm0.51 ctK / VS1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 731559808
Side View
Table 59.0%Crown 34.7°Girdle: MED-THKPavilion 38.8°Culet: NoneDepth 58.5%

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: $312 SGD|Low: $312 SGD|High: $984 SGD|Avg: $627 SGD|-0.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 1$312 SGD
Retailer 2$485 SGD
Retailer 3$557 SGD
Retailer 4$653 SGD
Retailer 5$703 SGD
Retailer 7$787 SGD
Retailer 6$973 SGD

31 data points across 7 retailers

14 retailers$312 SGD to $1,615 SGD

A
Cheapest Retailer
-
$312 SGD
Retailer 2
-
$384 SGD
View
Price last confirmed 95 days ago
A
Retailer 3
-
$422 SGD
View
Retailer 4
-
$453 SGD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$470 SGD
View
A
Retailer 6
-
$485 SGD
View
B+
Retailer 7
-
$557 SGD
View
B+
Retailer 8
-
$567 SGD
View
B+
Retailer 9
-
$588 SGD
View
A
Retailer 10
-
$653 SGD
View
B+
Retailer 11
-
$703 SGD
View
B+
Retailer 12
-
$787 SGD
View
B+
Retailer 13
-
$973 SGD
View
Most Expensive
C
NZ Jewellers
ce013447-d670-4d1b-a8b2-5cb0defe77df · Nov 5
$1,615 SGD
$1,264 USD
View
13 more retailers have this diamond
Prices start from $312 SGDSave up to $1,303 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
0.51ct Marquise
$312 SGD