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Marquise|Natural|GIA

0.51ct J SI2 Marquise Natural Diamond

EX • J/SI2 • GIA 1563008847

Certificate GIA 1563008847

Diamond specifications and retailer prices

From HK$3,817 HKD
As of November 4, 2026
Save HK$9,178 HKD (71%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$12,994 HKD at NZ Jewellers · As of November 3, 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 J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1563008847. Listed at 12 retailers as of November 3, 2026, with prices from HK$3,817 to HK$12,994, a HK$9,178 spread on the same certified stone. NZ Jewellers lists it at HK$12,994. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1563008847
Dimensions8.82 × 4.16 × 2.43 mm
L/W Ratio2.12
Girdle conditionFaceted
Culet sizeNone
Top View
8.82 mm4.16 mm0.51 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 1563008847
Side View
Table 62.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 58.4%

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 4
Current: HK$5,141 HKD|Low: HK$3,503 HKD|High: HK$9,679 HKD|Avg: HK$5,482 HKD|+4.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 4HK$3,817 HKD
Retailer 6HK$4,459 HKD
Retailer 8HK$4,781 HKD
Retailer 5HK$5,008 HKD
Retailer 1HK$5,141 HKD
Retailer 7HK$5,173 HKD
Retailer 3HK$6,184 HKD
Retailer 2HK$9,554 HKD

44 data points across 8 retailers

12 retailersHK$3,817 HKD to HK$12,994 HKD

A
Cheapest Retailer
-
HK$3,817 HKD
Final sale: no returns
A
Retailer 2
-
HK$4,146 HKD
View
Retailer 3
-
HK$4,459 HKD
View
Price last confirmed 8 days ago
B+
Retailer 4
-
HK$4,459 HKD
View
B+
Retailer 5
-
HK$4,781 HKD
View
Retailer 6
-
HK$4,781 HKD
View
Price last confirmed 61 days ago
B+
Retailer 7
-
HK$4,781 HKD
View
B+
Retailer 8
-
HK$5,141 HKD
View
B+
Retailer 9
-
HK$5,173 HKD
View
B
Retailer 10
-
HK$6,184 HKD
View
B
Retailer 11
-
HK$9,554 HKD
View
Most Expensive
C
NZ Jewellers
6bb20c1b-f3cc-4e77-b777-68db4d99320e · Nov 3
HK$12,994 HKD
$1,658 USD
View
11 more retailers have this diamond
Prices start from HK$3,817 HKDSave up to HK$9,178 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$3,817 HKD