Marquise|Natural|GIA

0.50ct H SI2 Marquise Natural Diamond

EX • H/SI2 • GIA 5543557515

Certificate GIA 5543557515

Diamond specifications and retailer prices

From HK$5,375 HKD
$685 USD
As of October 31, 2026
Save HK$6,442 HKD (55%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$11,817 HKD at MOH London · As of November 1, 2026
View at MOH London

About this 0.5ct natural marquise diamond

This 0.5ct natural marquise sits in the half to three-quarter carat band, graded H 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 5543557515. Listed at 17 retailers as of October 31, 2026, with prices from HK$5,375 to HK$11,817, a HK$6,442 spread on the same certified stone. MOH London lists it at HK$11,817. 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
H
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 5543557515
Dimensions8.55 × 3.88 × 2.48 mm
L/W Ratio2.20
Top View
8.55 mm3.88 mm0.50 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 5543557515
Side View
Table 58.0%CrownGirdle: VTK-ETKPavilionCulet: NDepth 63.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: HK$11,817 HKD|Low: HK$5,845 HKD|High: HK$20,242 HKD|Avg: HK$9,162 HKD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 7HK$5,845 HKD
Retailer 11HK$5,845 HKD
Retailer 5HK$6,073 HKD
Retailer 8HK$6,747 HKD
Retailer 10HK$7,210 HKD
Retailer 2HK$7,704 HKD
Retailer 4HK$9,119 HKD
Retailer 3HK$9,711 HKD
Retailer 9HK$10,376 HKD
MOH LondonHK$11,817 HKD
Retailer 6HK$20,242 HKD

44 data points across 11 retailers

17 retailersHK$5,375 HKD to HK$11,817 HKD

B+
Cheapest Retailer
-
HK$5,375 HKD
$685 USD
B+
Retailer 2
-
HK$5,845 HKD
$745 USD
View
B+
Retailer 3
-
HK$5,845 HKD
$745 USD
View
B+
Retailer 4
-
HK$5,900 HKD
$752 USD
View
B+
Retailer 5
-
HK$5,939 HKD
$757 USD
View
B+
Retailer 6
-
HK$6,073 HKD
$774 USD
View
B
Retailer 7
-
HK$6,637 HKD
$846 USD
View
B
Retailer 8
-
HK$6,747 HKD
$860 USD
View
B
Retailer 9
-
HK$7,210 HKD
$919 USD
View
B
Retailer 10
-
HK$7,218 HKD
$920 USD
View
B
Retailer 11
-
HK$7,218 HKD
$920 USD
View
B
Retailer 12
-
HK$7,453 HKD
$950 USD
View
B
Retailer 13
-
HK$7,704 HKD
£773 GBP
View
B
Retailer 14
-
HK$9,119 HKD
€1,107 EUR
View
B
Retailer 15
-
HK$10,376 HKD
CA$1,837 CAD
View
Most Expensive
B
MOH London
AE1889CAC · Nov 1
HK$11,817 HKD
£1,186 GBP
View
15 more retailers have this diamond
Prices start from HK$5,375 HKDSave up to HK$6,442 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+
0.50ct Marquise
HK$5,375 HKD