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Marquise|Natural|GIA

0.51ct J SI2 Marquise Natural Diamond

J/SI2 • GIA 7556641256

Certificate GIA 7556641256

Diamond specifications and retailer prices

From $1,275 NZD
As of November 6, 2026
Save $493 NZD (28%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $1,769 NZD at MOH London · As of November 1, 2026
View at MOH London

About this 0.51ct natural marquise diamond

This 0.51ct natural marquise sits in the half to three-quarter carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included) and certified by GIA 7556641256. Listed at 2 retailers as of November 1, 2026, with prices from $1,275 to $1,769, a $493 spread on the same certified stone. MOH London lists it at $1,769. 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
J
Colour
SI2
Clarity
-
Cut

Specifications

Cut
PolishGood
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 7556641256
Dimensions8.14 × 4.18 × 2.62 mm
L/W Ratio1.95
Culet sizeNone
Key to symbols
Crystal
Top View
8.14 mm4.18 mm0.51 ctJ / SI2
OriginNatural
PolishGood
SymmetryVery Good
FluorescenceMedium
CertificateGIA 7556641256
Side View
Table 59.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 62.5%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 6
Current: $1,769 NZD|Low: $1,149 NZD|High: $1,881 NZD|Avg: $1,535 NZD|-6.0%
MOH London
Retailer 2
November 6, 2026
Retailer 2$1,275 NZD
MOH London$1,769 NZD

24 data points across 2 retailers

2 retailers$1,275 NZD to $1,769 NZD

B
Cheapest Retailer
-
$1,275 NZD
Most Expensive
C
MOH London
BD028F00B · Nov 1
$1,769 NZD
£772 GBP
View
1 more retailer has this diamond
Prices start from $1,275 NZDSave up to $493 NZD

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.

B
0.51ct Marquise
$1,275 NZD