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Marquise|Natural|IGI

0.50ct G SI2 Marquise Natural Diamond

VG • G/SI2 • IGI 800673801

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 800673801

Diamond specifications and retailer prices

From HK$4,052 HKD
As of November 6, 2026
Save HK$9,734 HKD (71%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$13,786 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 G colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 800673801. Listed at 12 retailers as of November 5, 2026, with prices from HK$4,052 to HK$13,786, a HK$9,734 spread on the same certified stone. NZ Jewellers lists it at HK$13,786. 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
G
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle32.3°
Pavilion angle39.4°
OriginNatural
Grading LabIGI
CertificateIGI 800673801
Dimensions9.01 × 3.95 × 2.52 mm
L/W Ratio2.28
Girdle conditionFaceted
Top View
9.01 mm3.95 mm0.50 ctG / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 800673801
Side View
Table 51.0%Crown 32.3°Girdle: MED-STKPavilion 39.4°Culet: NoneDepth 63.8%

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$13,786 HKD|Low: HK$3,715 HKD|High: HK$14,617 HKD|Avg: HK$6,378 HKD|-5.7%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 9HK$4,052 HKD
Retailer 10HK$4,397 HKD
Retailer 8HK$4,734 HKD
Retailer 11HK$4,734 HKD
Retailer 3HK$5,071 HKD
Retailer 2HK$5,220 HKD
Retailer 4HK$5,423 HKD
Retailer 12HK$5,463 HKD
Retailer 7HK$5,502 HKD
Retailer 6HK$6,529 HKD
Retailer 5HK$10,126 HKD
NZ JewellersHK$13,786 HKD

45 data points across 12 retailers

12 retailersHK$4,052 HKD to HK$13,786 HKD

A
Cheapest Retailer
-
HK$4,052 HKD
Final sale: no returns
A
Retailer 2
-
HK$4,397 HKD
View
A
Retailer 3
-
HK$4,734 HKD
View
Retailer 4
-
HK$4,734 HKD
View
Price last confirmed 8 days ago
A
Retailer 5
-
HK$5,071 HKD
View
A
Retailer 6
-
HK$5,220 HKD
View
B+
Retailer 7
-
HK$5,423 HKD
View
B+
Retailer 8
-
HK$5,463 HKD
View
B+
Retailer 9
-
HK$5,502 HKD
View
B+
Retailer 10
-
HK$6,529 HKD
View
B
Retailer 11
-
HK$10,126 HKD
View
Most Expensive
B
NZ Jewellers
7363867a-f6cf-4c08-82b2-f9a2b242e147 · Nov 5
HK$13,786 HKD
$1,759 USD
View
11 more retailers have this diamond
Prices start from HK$4,052 HKDSave up to HK$9,734 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$4,052 HKD