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Marquise|Natural|GIA

0.50ct H SI1 Marquise Natural Diamond

EX • H/SI1 • GIA 6545114668

Certificate GIA 6545114668

Diamond specifications and retailer prices

From HK$5,314 HKD
As of November 6, 2026
Save HK$7,238 HKD (58%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: HK$12,551 HKD at MOH London · As of November 4, 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6545114668. Listed at 23 retailers as of November 4, 2026, with prices from HK$5,314 to HK$12,551, a HK$7,238 spread on the same certified stone. MOH London lists it at HK$12,551. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Pavilion angle40.5°
OriginNatural
Grading LabGIA
CertificateGIA 6545114668
Dimensions7.90 × 4.06 × 2.58 mm
L/W Ratio1.95
Top View
7.90 mm4.06 mm0.50 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6545114668
Side View
Table 58.0%CrownGirdle: THN-VTKPavilion 40.5°Culet: NoneDepth 63.5%

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: Nov 6
Current: HK$12,551 HKD|Low: HK$5,314 HKD|High: HK$12,721 HKD|Avg: HK$8,354 HKD|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 8HK$5,314 HKD
Retailer 5HK$5,721 HKD
Retailer 3HK$6,239 HKD
Retailer 10HK$6,458 HKD
Retailer 7HK$7,563 HKD
Retailer 2HK$7,884 HKD
Retailer 6HK$9,640 HKD
Retailer 9HK$10,314 HKD
Retailer 4HK$10,588 HKD
MOH LondonHK$12,551 HKD

44 data points across 10 retailers

23 retailersHK$5,314 HKD to HK$12,551 HKD

B+
Cheapest Retailer
-
HK$5,314 HKD
Final sale: no returns
B+
Retailer 2
-
HK$6,097 HKD
View
B+
Retailer 3
-
HK$6,215 HKD
View
Retailer 4
-
HK$6,215 HKD
View
Price last confirmed 9 days ago
B+
Retailer 5
-
HK$6,239 HKD
View
B+
Retailer 6
-
HK$6,246 HKD
View
B+
Retailer 7
-
HK$6,309 HKD
View
B
Retailer 8
-
HK$6,458 HKD
View
B
Retailer 9
-
HK$7,030 HKD
View
B
Retailer 10
-
HK$7,171 HKD
View
B
Retailer 11
-
HK$7,563 HKD
View
B
Retailer 12
-
HK$7,681 HKD
View
B
Retailer 13
-
HK$7,681 HKD
View
B
Retailer 14
-
HK$7,681 HKD
View
B
Retailer 15
-
HK$7,884 HKD
View
B
Retailer 16
-
HK$7,916 HKD
View
B
Retailer 17
-
HK$8,425 HKD
View
B
Retailer 18
-
HK$9,640 HKD
View
Retailer 19
-
HK$10,314 HKD
View
Price last confirmed 34 days ago
B
Retailer 20
-
HK$10,588 HKD
View
B
Retailer 21
-
HK$11,059 HKD
View
Most Expensive
B
MOH London
7ED55971B · Nov 4
HK$12,551 HKD
£1,261 GBP
View
21 more retailers have this diamond
Prices start from HK$5,314 HKDSave up to HK$7,238 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$5,314 HKD