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Marquise|Natural|IGI

0.51ct K VS1 Marquise Natural Diamond

VG • K/VS1 • IGI 815673838

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 815673838

Diamond specifications and retailer prices

From $664 SGD
As of November 5, 2026
Save $1,419 SGD (68%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $2,083 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 815673838. Listed at 13 retailers as of November 5, 2026, with prices from $664 to $2,083, a $1,419 spread on the same certified stone. NZ Jewellers lists it at $2,083. 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
PolishVery Good
SymmetryVery Good
FluorescenceFaint
Crown angle33.6°
Pavilion angle37.2°
OriginNatural
Grading LabIGI
CertificateIGI 815673838
Dimensions8.34 × 4.30 × 2.47 mm
L/W Ratio1.94
Girdle conditionFaceted
Top View
8.34 mm4.30 mm0.51 ctK / VS1
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateIGI 815673838
Side View
Table 62.0%Crown 33.6°Girdle: MED-THKPavilion 37.2°Culet: NoneDepth 57.4%

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 5
Current: $2,083 SGD|Low: $664 SGD|High: $2,083 SGD|Avg: $971 SGD
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 13$664 SGD
Retailer 11$715 SGD
Retailer 12$715 SGD
Retailer 2$766 SGD
Retailer 3$766 SGD
Retailer 5$832 SGD
Retailer 7$856 SGD
Retailer 4$871 SGD
Retailer 6$909 SGD
Retailer 10$920 SGD
Retailer 8$1,030 SGD
Retailer 9$1,533 SGD
NZ Jewellers$2,083 SGD

38 data points across 13 retailers

13 retailers$664 SGD to $2,083 SGD

A
Cheapest Retailer
-
$664 SGD
Retailer 2
-
$715 SGD
View
Price last confirmed 8 days ago
B+
Retailer 3
-
$715 SGD
View
B+
Retailer 4
-
$766 SGD
View
B+
Retailer 5
-
$766 SGD
View
B+
Retailer 6
-
$832 SGD
View
B+
Retailer 7
-
$856 SGD
View
B+
Retailer 8
-
$871 SGD
View
B+
Retailer 9
-
$909 SGD
View
B
Retailer 10
-
$920 SGD
View
B
Retailer 11
-
$1,030 SGD
View
B
Retailer 12
-
$1,533 SGD
View
Most Expensive
C
NZ Jewellers
212d9077-4586-4838-a71f-3e623eaf8711 · Nov 5
$2,083 SGD
$1,631 USD
View
12 more retailers have this diamond
Prices start from $664 SGDSave up to $1,419 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
$664 SGD