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Marquise|Natural|GIA

0.50ct I SI1 Marquise Natural Diamond

EX • I/SI1 • GIA 7561214081

Certificate GIA 7561214081

Diamond specifications and retailer prices

From HK$2,806 HKD
As of November 6, 2026
Save HK$9,828 HKD (78%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$12,634 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 7561214081. Listed at 19 retailers as of November 5, 2026, with prices from HK$2,806 to HK$12,634, a HK$9,828 spread on the same certified stone. NZ Jewellers lists it at HK$12,634. 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
PolishVery Good
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7561214081
Dimensions7.54 × 4.24 × 2.70 mm
L/W Ratio1.78
Top View
7.54 mm4.24 mm0.50 ctI / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 7561214081
Side View
Table 53.0%CrownGirdle: Very Thick - Ext. ThickPavilionCulet: NoneDepth 63.6%

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$12,634 HKD|Low: HK$2,806 HKD|High: HK$13,590 HKD|Avg: HK$4,702 HKD|-7.0%
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 3HK$2,806 HKD
Retailer 17HK$3,041 HKD
Retailer 10HK$3,135 HKD
Retailer 14HK$3,300 HKD
Retailer 12HK$3,448 HKD
Retailer 16HK$3,550 HKD
Retailer 8HK$3,637 HKD
Retailer 4HK$3,801 HKD
Retailer 6HK$3,801 HKD
Retailer 2HK$4,021 HKD
Retailer 13HK$4,044 HKD
Retailer 11HK$4,318 HKD
Retailer 9HK$4,601 HKD
Retailer 15HK$4,938 HKD
Retailer 18HK$5,110 HKD
Retailer 7HK$5,118 HKD
Retailer 5HK$7,602 HKD
NZ JewellersHK$12,634 HKD

23 data points across 18 retailers

19 retailersHK$2,806 HKD to HK$12,634 HKD

A
Cheapest Retailer
-
HK$2,806 HKD
A
Retailer 2
-
HK$3,041 HKD
View
Final sale: no returns
A
Retailer 3
-
HK$3,135 HKD
View
A
Retailer 4
-
HK$3,300 HKD
View
A
Retailer 5
-
HK$3,448 HKD
View
A
Retailer 6
-
HK$3,550 HKD
View
Retailer 7
-
HK$3,637 HKD
View
Price last confirmed 8 days ago
A
Retailer 8
-
HK$3,801 HKD
View
A
Retailer 9
-
HK$3,801 HKD
View
A
Retailer 10
-
HK$4,021 HKD
View
A
Retailer 11
-
HK$4,044 HKD
View
A
Retailer 12
-
HK$4,318 HKD
View
A
Retailer 13
-
HK$4,601 HKD
View
B+
Retailer 14
-
HK$4,938 HKD
View
B+
Retailer 15
-
HK$5,110 HKD
View
B+
Retailer 16
-
HK$5,118 HKD
View
Retailer 17
-
HK$5,941 HKD
View
Price last confirmed 34 days ago
B
Retailer 18
-
HK$7,602 HKD
View
Most Expensive
B
NZ Jewellers
511309f9-9e5c-476a-aeeb-99c8bf39cfed · Nov 5
HK$12,634 HKD
$1,612 USD
View
18 more retailers have this diamond
Prices start from HK$2,806 HKDSave up to HK$9,828 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$2,806 HKD