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Marquise|Natural|GIA

0.50ct I SI1 Marquise Natural Diamond

EX • I/SI1 • GIA 6565342064

Certificate GIA 6565342064

Diamond specifications and retailer prices

From HK$3,072 HKD
As of November 6, 2026
Save HK$10,126 HKD (77%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$13,198 HKD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 0.5ct natural marquise diamond

This 0.5ct natural marquise sits in the half to three-quarter carat band, graded I 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 6565342064. Listed at 18 retailers as of November 5, 2026, with prices from HK$3,072 to HK$13,198, a HK$10,126 spread on the same certified stone. NZ Jewellers lists it at HK$13,198. 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

0.50
Carat
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6565342064
Dimensions7.96 × 4.08 × 2.47 mm
L/W Ratio1.95
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather
Top View
7.96 mm4.08 mm0.50 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6565342064
Side View
Table 62.0%CrownGirdle: VTK-ETKPavilionCulet: NoneDepth 60.5%

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$13,198 HKD|Low: HK$3,072 HKD|High: HK$13,198 HKD|Avg: HK$5,944 HKD
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 6, 2026
Retailer 12HK$3,072 HKD
Retailer 3HK$4,209 HKD
Retailer 8HK$4,311 HKD
Retailer 7HK$4,530 HKD
Retailer 14HK$4,530 HKD
Retailer 2HK$4,648 HKD
Retailer 11HK$4,765 HKD
Retailer 17HK$4,859 HKD
Retailer 16HK$5,149 HKD
Retailer 9HK$5,157 HKD
Retailer 4HK$5,235 HKD
Retailer 13HK$5,251 HKD
Retailer 6HK$5,760 HKD
Retailer 5HK$6,278 HKD
Retailer 15HK$6,489 HKD
Retailer 10HK$6,936 HKD
Retailer 18HK$9,703 HKD
NZ JewellersHK$13,198 HKD

30 data points across 18 retailers

18 retailersHK$3,072 HKD to HK$13,198 HKD

A
Cheapest Retailer
-
HK$3,072 HKD
A
Retailer 2
-
HK$4,209 HKD
View
A
Retailer 3
-
HK$4,311 HKD
View
A
Retailer 4
-
HK$4,530 HKD
View
Retailer 5
-
HK$4,530 HKD
View
Price last confirmed 8 days ago
A
Retailer 6
-
HK$4,648 HKD
View
Final sale: no returns
B+
Retailer 7
-
HK$4,765 HKD
View
A
Retailer 8
-
HK$4,859 HKD
View
B+
Retailer 9
-
HK$5,149 HKD
View
B+
Retailer 10
-
HK$5,157 HKD
View
B+
Retailer 11
-
HK$5,235 HKD
View
B+
Retailer 12
-
HK$5,251 HKD
View
B+
Retailer 13
-
HK$5,760 HKD
View
B+
Retailer 14
-
HK$6,278 HKD
View
B
Retailer 15
-
HK$6,489 HKD
View
Retailer 16
-
HK$6,936 HKD
View
Price last confirmed 22 days ago
B
Retailer 17
-
HK$9,703 HKD
View
Most Expensive
B
NZ Jewellers
d0785638-7558-4dea-94ff-7bca7e12f6e5 · Nov 5
HK$13,198 HKD
$1,684 USD
View
17 more retailers have this diamond
Prices start from HK$3,072 HKDSave up to HK$10,126 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
0.50ct Marquise
HK$3,072 HKD