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Marquise|Natural|GIA

0.51ct J SI1 Marquise Natural Diamond

EX • J/SI1 • GIA 7566067098

Certificate GIA 7566067098

Diamond specifications and retailer prices

From HK$3,276 HKD
As of November 6, 2026
Save HK$3,316 HKD (50%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$6,592 HKD at Yorxs · As of November 6, 2026
View at Yorxs

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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7566067098. Listed at 10 retailers as of November 6, 2026, with prices from HK$3,276 to HK$6,592, a HK$3,316 spread on the same certified stone. Yorxs lists it at HK$6,592. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.51
Carat
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 7566067098
Dimensions8.20 × 4.12 × 2.50 mm
L/W Ratio1.99
Top View
8.20 mm4.12 mm0.51 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 7566067098
Side View
Table 57.0%CrownGirdle: VTK-XTKPavilionCulet: NoneDepth 60.7%

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: Nov 6
Current: HK$5,423 HKD|Low: HK$3,096 HKD|High: HK$6,607 HKD|Avg: HK$4,681 HKD|-17.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Yorxs
November 7, 2026
Retailer 4HK$3,276 HKD
Retailer 3HK$4,122 HKD
Retailer 8HK$4,232 HKD
Retailer 7HK$5,157 HKD
Retailer 1HK$5,423 HKD
Retailer 9HK$5,447 HKD
Retailer 5HK$5,455 HKD
Retailer 2HK$5,996 HKD
Retailer 6HK$6,207 HKD
YorxsHK$6,592 HKD

33 data points across 10 retailers

10 retailersHK$3,276 HKD to HK$6,592 HKD

A
Cheapest Retailer
-
HK$3,276 HKD
A
Retailer 2
-
HK$4,122 HKD
View
Final sale: no returns
A
Retailer 3
-
HK$4,232 HKD
View
B+
Retailer 4
-
HK$5,157 HKD
View
B+
Retailer 5
-
HK$5,423 HKD
View
B+
Retailer 6
-
HK$5,447 HKD
View
B+
Retailer 7
-
HK$5,455 HKD
View
B
Retailer 8
-
HK$5,996 HKD
View
B
Retailer 9
-
HK$6,207 HKD
View
Most Expensive
B
Yorxs
071638769 · Nov 6
HK$6,592 HKD
€801 EUR
View
9 more retailers have this diamond
Prices start from HK$3,276 HKDSave up to HK$3,316 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.

A
0.51ct Marquise
HK$3,276 HKD