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Marquise|Natural|IGI

0.51ct H VS1 Marquise Natural Diamond

VG • H/VS1 • IGI 815656065

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 815656065

Diamond specifications and retailer prices

From €489 EUR
SGD 741 SGD
As of October 31, 2026
Save €1,338 EUR (73%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €1,827 EUR at NZ Jewellers · As of October 30, 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 H colour (near-colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI 815656065. Listed at 14 retailers as of October 30, 2026, with prices from €489 to €1,827, a €1,338 spread on the same certified stone. NZ Jewellers lists it at €1,827. 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
H
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle30.8°
Pavilion angle38.4°
OriginNatural
Grading LabIGI
CertificateIGI 815656065
Dimensions8.80 × 4.13 × 2.45 mm
L/W Ratio2.13
Girdle conditionFaceted
Top View
8.80 mm4.13 mm0.51 ctH / VS1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateIGI 815656065
Side View
Table 57.0%Crown 30.8°Girdle: MED-STKPavilion 38.4°Culet: NoneDepth 59.3%

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: Oct 31
Current: €1,827 EUR|Low: €489 EUR|High: €1,860 EUR|Avg: €808 EUR|-1.8%
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
November 2, 2026
Retailer 13€489 EUR
Retailer 11€535 EUR
Retailer 12€581 EUR
Retailer 5€584 EUR
Retailer 2€604 EUR
Retailer 14€655 EUR
Retailer 10€668 EUR
Retailer 8€675 EUR
Retailer 4€732 EUR
Retailer 9€776 EUR
Retailer 6€880 EUR
Retailer 3€899 EUR
Retailer 7€1,343 EUR
NZ Jewellers€1,827 EUR

21 data points across 14 retailers

14 retailers€489 EUR to €1,827 EUR

A
Cheapest Retailer
-
€489 EUR
SGD 741 SGD
A
Retailer 2
-
€535 EUR
$600 USD
View
A
Retailer 3
-
€581 EUR
$652 USD
View
A
Retailer 4
-
€584 EUR
$655 USD
View
A
Retailer 5
-
€604 EUR
$677 USD
View
A
Retailer 6
-
€655 EUR
$735 USD
View
B+
Retailer 7
-
€668 EUR
£590 GBP
View
A
Retailer 8
-
€675 EUR
£596 GBP
View
B+
Retailer 9
-
€732 EUR
£646 GBP
View
B+
Retailer 10
-
€776 EUR
View
B+
Retailer 11
-
€880 EUR
$987 USD
View
B+
Retailer 12
-
€899 EUR
ZAR 16,295 ZAR
View
B
Retailer 13
-
€1,343 EUR
£1,186 GBP
View
Most Expensive
B
NZ Jewellers
2af8094a-74d6-4ef5-87f1-7c20b67b34ed · Oct 30
€1,827 EUR
$2,049 USD
View
13 more retailers have this diamond
Prices start from €489 EURSave up to €1,338 EUR

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
€489 EUR