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Marquise|Natural|IGI

0.51ct J SI1 Marquise Natural Diamond

VG • J/SI1 • IGI 754532759

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 754532759

Diamond specifications and retailer prices

From HK$4,158 HKD
$530 USD
As of November 1, 2026
Save HK$8,890 HKD (68%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$13,048 HKD at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

About this 0.51ct natural marquise diamond

This 0.51ct natural marquise sits in the half to three-quarter carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 754532759. Listed at 11 retailers as of November 1, 2026, with prices from HK$4,158 to HK$13,048, a HK$8,890 spread on the same certified stone. NZ Jewellers lists it at HK$13,048. 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

0.51
Carat
J
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle32.5°
Pavilion angle41.5°
OriginNatural
Grading LabIGI
CertificateIGI 754532759
Dimensions8.22 × 4.13 × 2.61 mm
L/W Ratio1.99
Girdle conditionFaceted
Top View
8.22 mm4.13 mm0.51 ctJ / SI1
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI 754532759
Side View
Table 60.0%Crown 32.5°Girdle: THN-VTKPavilion 41.5°Culet: NoneDepth 63.2%

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 1
Current: HK$5,420 HKD|Low: HK$4,480 HKD|High: HK$9,725 HKD|Avg: HK$5,946 HKD|+7.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 3, 2026
Retailer 7HK$4,480 HKD
Retailer 8HK$4,631 HKD
Retailer 6HK$4,747 HKD
Retailer 2HK$5,106 HKD
Retailer 1HK$5,420 HKD
Retailer 3HK$6,212 HKD
Retailer 4HK$6,420 HKD
Retailer 5HK$9,656 HKD

42 data points across 8 retailers

11 retailersHK$4,158 HKD to HK$13,048 HKD

B+
Cheapest Retailer
-
HK$4,158 HKD
$530 USD
B+
Retailer 2
-
HK$4,480 HKD
$571 USD
View
B+
Retailer 3
-
HK$4,480 HKD
$571 USD
View
B+
Retailer 4
-
HK$4,747 HKD
$605 USD
View
B+
Retailer 5
-
HK$4,802 HKD
$612 USD
View
B+
Retailer 6
-
HK$5,106 HKD
£512 GBP
View
B
Retailer 7
-
HK$5,420 HKD
£544 GBP
View
B
Retailer 8
-
HK$6,212 HKD
€754 EUR
View
B
Retailer 9
-
HK$6,420 HKD
ZAR 13,219 ZAR
View
C
Retailer 10
-
HK$9,656 HKD
£969 GBP
View
Most Expensive
C
NZ Jewellers
947aa185-d648-4229-a6f5-ea6f8c1825e0 · Nov 3
HK$13,048 HKD
$1,663 USD
View
10 more retailers have this diamond
Prices start from HK$4,158 HKDSave up to HK$8,890 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+
0.51ct Marquise
HK$4,158 HKD