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Marquise|Natural|GIA

0.50ct J SI1 Marquise Natural Diamond

FR • J/SI1 • GIA 6555255852

Certificate GIA 6555255852

Diamond specifications and retailer prices

From HK$3,300 HKD
₹40,061 INR
As of November 2, 2026
Save HK$7,023 HKD (68%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$14,013 HKD at NZ Jewellers · As of September 29, 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 standard cut grade stated by the retailer rather than the lab and certified by GIA 6555255852. Listed at 15 retailers as of November 2, 2026, with a 213% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.50
Carat
J
Colour
SI1
Clarity
Fair
Cut (retailer stated)

Specifications

Cut (retailer stated)Fair
PolishExcellent
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6555255852
Dimensions7.84 × 4.09 × 2.38 mm
L/W Ratio1.92
Key to symbols
Twinning Wisp, Feather
Top View
7.84 mm4.09 mm0.50 ctJ / SI1
OriginNatural
CutFair
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 6555255852
Side View
Table 60.0%CrownGirdle: VTK-ETKPavilionCulet: NDepth 58.3%

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 2
Current: HK$5,478 HKD|Low: HK$3,294 HKD|High: HK$10,443 HKD|Avg: HK$5,990 HKD|+4.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 3, 2026
Retailer 2HK$3,300 HKD
Retailer 8HK$4,127 HKD
Retailer 1HK$5,478 HKD
Retailer 3HK$5,485 HKD
Retailer 7HK$6,002 HKD
Retailer 5HK$6,624 HKD
Retailer 6HK$6,896 HKD
Retailer 4HK$10,323 HKD

29 data points across 8 retailers

15 retailersHK$3,300 HKD to HK$10,323 HKD

B+
Cheapest Retailer
-
HK$3,300 HKD
₹40,061 INR
B+
Retailer 2
-
HK$4,127 HKD
$526 USD
View
Final sale: no returns
Retailer 3
-
HK$4,464 HKD
$569 USD
View
Price last confirmed 32 days ago
Retailer 4
-
HK$4,810 HKD
$613 USD
View
Price last confirmed 33 days ago
B
Retailer 5
-
HK$4,810 HKD
$613 USD
View
Retailer 6
-
HK$5,155 HKD
$657 USD
View
Price last confirmed 35 days ago
B
Retailer 7
-
HK$5,478 HKD
£550 GBP
View
B
Retailer 8
-
HK$5,485 HKD
£550 GBP
View
C
Retailer 9
-
HK$6,002 HKD
$765 USD
View
B
Retailer 10
-
HK$6,208 HKD
$791 USD
View
B
Retailer 11
-
HK$6,624 HKD
€804 EUR
View
Retailer 12
-
HK$6,719 HKD
A$1,317 AUD
View
Price last confirmed 29 days ago
B
Retailer 13
-
HK$6,896 HKD
ZAR 14,199 ZAR
View
C
Retailer 14
-
HK$10,323 HKD
£1,036 GBP
View
Most Expensive
NZ Jewellers
830d84ae-4bce-4c13-a11e-eed453bd6203 · Sep 29
HK$14,013 HKD
$1,786 USD
View
Price under review
14 more retailers have this diamond
Prices start from HK$3,300 HKDSave up to HK$7,023 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$3,300 HKD