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Marquise|Natural|GIA

0.50ct I SI2 Marquise Natural Diamond

EX • I/SI2 • GIA 1569290395

Certificate GIA 1569290395

Diamond specifications and retailer prices

From HK$3,868 HKD
$493 USD
As of November 2, 2026
Save HK$8,905 HKD (70%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: HK$12,773 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 I 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 1569290395. Listed at 7 retailers as of November 2, 2026, with prices from HK$3,868 to HK$12,773, a HK$8,905 spread on the same certified stone. NZ Jewellers lists it at HK$12,773. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1569290395
Dimensions8.25 × 4.02 × 2.62 mm
L/W Ratio2.05
Top View
8.25 mm4.02 mm0.50 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1569290395
Side View
Table 58.0%CrownGirdlePavilionCulet: NoneDepth 65.2%

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$12,773 HKD|Low: HK$3,868 HKD|High: HK$14,931 HKD|Avg: HK$6,398 HKD|-14.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 3, 2026
Retailer 5HK$3,868 HKD
Retailer 4HK$4,519 HKD
Retailer 3HK$5,012 HKD
Retailer 7HK$5,228 HKD
Retailer 2HK$5,266 HKD
Retailer 6HK$5,539 HKD
NZ JewellersHK$12,773 HKD

36 data points across 7 retailers

7 retailersHK$3,868 HKD to HK$12,773 HKD

A
Cheapest Retailer
-
HK$3,868 HKD
$493 USD
Final sale: no returns
A
Retailer 2
-
HK$4,519 HKD
$576 USD
View
B+
Retailer 3
-
HK$5,012 HKD
£503 GBP
View
B+
Retailer 4
-
HK$5,228 HKD
$666 USD
View
B+
Retailer 5
-
HK$5,266 HKD
£529 GBP
View
B+
Retailer 6
-
HK$5,539 HKD
$706 USD
View
Most Expensive
B
NZ Jewellers
4f134632-53d8-43dd-bacb-b6986358acba · Nov 3
HK$12,773 HKD
$1,628 USD
View
6 more retailers have this diamond
Prices start from HK$3,868 HKDSave up to HK$8,905 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$3,868 HKD