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Marquise|Natural|GIA

0.50ct J SI1 Marquise Natural Diamond

EX • J/SI1 • GIA 2241075919

Certificate GIA 2241075919

Diamond specifications and retailer prices

From HK$3,688 HKD
$470 USD
As of November 2, 2026
Save HK$8,874 HKD (71%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$12,562 HKD at NZ Jewellers · As of November 3, 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 J 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 2241075919. Listed at 18 retailers as of November 2, 2026, with prices from HK$3,688 to HK$12,562, a HK$8,874 spread on the same certified stone. NZ Jewellers lists it at HK$12,562. 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
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 2241075919
Dimensions8.07 × 4.03 × 2.60 mm
L/W Ratio2.00
Culet sizeNone
Key to symbols
Crystal, Feather
Top View
8.07 mm4.03 mm0.50 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2241075919
Side View
Table 61.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 64.5%

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 2
Current: HK$12,562 HKD|Low: HK$3,382 HKD|High: HK$12,562 HKD|Avg: HK$5,456 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 3, 2026
Retailer 16HK$3,688 HKD
Retailer 3HK$3,727 HKD
Retailer 18HK$4,009 HKD
Retailer 5HK$4,186 HKD
Retailer 15HK$4,315 HKD
Retailer 17HK$4,315 HKD
Retailer 4HK$4,621 HKD
Retailer 7HK$4,621 HKD
Retailer 11HK$4,917 HKD
Retailer 2HK$5,016 HKD
Retailer 9HK$5,131 HKD
Retailer 12HK$5,520 HKD
Retailer 6HK$5,571 HKD
Retailer 10HK$5,618 HKD
Retailer 8HK$5,954 HKD
Retailer 14HK$6,182 HKD
Retailer 13HK$9,247 HKD
NZ JewellersHK$12,562 HKD

35 data points across 18 retailers

18 retailersHK$3,688 HKD to HK$12,562 HKD

A
Cheapest Retailer
-
HK$3,688 HKD
$470 USD
Final sale: no returns
A
Retailer 2
-
HK$3,727 HKD
$475 USD
View
A
Retailer 3
-
HK$4,009 HKD
$511 USD
View
Retailer 4
-
HK$4,186 HKD
SGD 721 SGD
View
Price last confirmed 7 days ago
B+
Retailer 5
-
HK$4,315 HKD
$550 USD
View
B+
Retailer 6
-
HK$4,315 HKD
$550 USD
View
B+
Retailer 7
-
HK$4,621 HKD
$589 USD
View
B+
Retailer 8
-
HK$4,621 HKD
$589 USD
View
B+
Retailer 9
-
HK$4,917 HKD
£493 GBP
View
B+
Retailer 10
-
HK$5,016 HKD
£503 GBP
View
B+
Retailer 11
-
HK$5,131 HKD
$654 USD
View
B+
Retailer 12
-
HK$5,520 HKD
€670 EUR
View
B
Retailer 13
-
HK$5,571 HKD
$710 USD
View
B
Retailer 14
-
HK$5,618 HKD
$716 USD
View
Retailer 15
-
HK$5,954 HKD
A$1,167 AUD
View
Price last confirmed 35 days ago
B+
Retailer 16
-
HK$6,182 HKD
ZAR 12,729 ZAR
View
B
Retailer 17
-
HK$9,247 HKD
£928 GBP
View
Most Expensive
B
NZ Jewellers
dc0a6f75-d3f2-43d7-a425-c07f3867bc40 · Nov 3
HK$12,562 HKD
$1,601 USD
View
17 more retailers have this diamond
Prices start from HK$3,688 HKDSave up to HK$8,874 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$3,688 HKD