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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 HK$5,541 HKD
As of November 6, 2026
Save HK$2,143 HKD (28%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: HK$7,684 HKD 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 HK$5,541 to HK$7,684, a HK$2,143 spread on the same certified stone. MOH London lists it at HK$7,684. 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

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: HK$7,684 HKD|Low: HK$4,992 HKD|High: HK$8,172 HKD|Avg: HK$6,669 HKD|-6.0%
MOH London
Retailer 2
November 6, 2026
Retailer 2HK$5,541 HKD
MOH LondonHK$7,684 HKD

24 data points across 2 retailers

2 retailersHK$5,541 HKD to HK$7,684 HKD

B
Cheapest Retailer
-
HK$5,541 HKD
Most Expensive
C
MOH London
BD028F00B · Nov 1
HK$7,684 HKD
£772 GBP
View
1 more retailer has this diamond
Prices start from HK$5,541 HKDSave up to HK$2,143 HKD

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
HK$5,541 HKD