CaratHunter
Plans
Marquise|Natural|GIA

0.50ct I SI2 Marquise Natural Diamond

EX • I/SI2 • GIA 1553995737

Certificate GIA 1553995737

Diamond specifications and retailer prices

From HK$3,615 HKD
As of November 1, 2026
Save HK$9,911 HKD (73%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$13,527 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 1553995737. Listed at 14 retailers as of November 1, 2026, with prices from HK$3,615 to HK$13,527, a HK$9,911 spread on the same certified stone. NZ Jewellers lists it at HK$13,527. 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
PolishVery Good
SymmetryGood
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 1553995737
Dimensions7.77 × 4.33 × 2.61 mm
L/W Ratio1.79
Key to symbols
Twinning Wisp, Feather
Top View
7.77 mm4.33 mm0.50 ctI / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceMedium
CertificateGIA 1553995737
Side View
Table 62.0%CrownGirdle: STK-ETKPavilionCulet: NoneDepth 60.2%

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 1
Current: HK$13,527 HKD|Low: HK$3,515 HKD|High: HK$13,527 HKD|Avg: HK$5,836 HKD|+3.7%
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
November 3, 2026
Retailer 3HK$3,615 HKD
Retailer 14HK$3,970 HKD
Retailer 11HK$4,315 HKD
Retailer 5HK$4,506 HKD
Retailer 12HK$4,645 HKD
Retailer 13HK$4,645 HKD
Retailer 6HK$4,974 HKD
Retailer 10HK$4,974 HKD
Retailer 7HK$5,152 HKD
Retailer 4HK$5,398 HKD
Retailer 2HK$5,447 HKD
Retailer 9HK$6,409 HKD
Retailer 8HK$9,965 HKD
NZ JewellersHK$13,527 HKD

31 data points across 14 retailers

14 retailersHK$3,615 HKD to HK$13,527 HKD

A
Cheapest Retailer
-
HK$3,615 HKD
B+
Retailer 2
-
HK$3,970 HKD
$506 USD
View
Final sale: no returns
A
Retailer 3
-
HK$4,315 HKD
$550 USD
View
B+
Retailer 4
-
HK$4,506 HKD
SGD 776 SGD
View
B+
Retailer 5
-
HK$4,645 HKD
$592 USD
View
A
Retailer 6
-
HK$4,645 HKD
$592 USD
View
B+
Retailer 7
-
HK$4,974 HKD
$634 USD
View
Retailer 8
-
HK$4,974 HKD
$634 USD
View
Price last confirmed 15 days ago
B+
Retailer 9
-
HK$5,152 HKD
£517 GBP
View
B+
Retailer 10
-
HK$5,398 HKD
$688 USD
View
B+
Retailer 11
-
HK$5,447 HKD
£547 GBP
View
B
Retailer 12
-
HK$6,409 HKD
€778 EUR
View
B
Retailer 13
-
HK$9,965 HKD
£1,000 GBP
View
Most Expensive
B
NZ Jewellers
f71baf55-1e42-41d2-9725-8ffb66d927e9 · Nov 3
HK$13,527 HKD
$1,724 USD
View
13 more retailers have this diamond
Prices start from HK$3,615 HKDSave up to HK$9,911 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$3,615 HKD