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Marquise|Natural|IGI

0.51ct H VS1 Marquise Natural Diamond

VG • H/VS1 • IGI 815656065

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 815656065

Diamond specifications and retailer prices

From HK$4,302 HKD
SGD 741 SGD
As of October 31, 2026
Save HK$11,774 HKD (73%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$16,077 HKD at NZ Jewellers · As of October 30, 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 H colour (near-colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI 815656065. Listed at 14 retailers as of October 30, 2026, with prices from HK$4,302 to HK$16,077, a HK$11,774 spread on the same certified stone. NZ Jewellers lists it at HK$16,077. 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
H
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle30.8°
Pavilion angle38.4°
OriginNatural
Grading LabIGI
CertificateIGI 815656065
Dimensions8.80 × 4.13 × 2.45 mm
L/W Ratio2.13
Girdle conditionFaceted
Top View
8.80 mm4.13 mm0.51 ctH / VS1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateIGI 815656065
Side View
Table 57.0%Crown 30.8°Girdle: MED-STKPavilion 38.4°Culet: NoneDepth 59.3%

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: Oct 31
Current: HK$16,077 HKD|Low: HK$4,302 HKD|High: HK$16,367 HKD|Avg: HK$7,106 HKD|-1.8%
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 2, 2026
Retailer 13HK$4,302 HKD
Retailer 11HK$4,708 HKD
Retailer 12HK$5,116 HKD
Retailer 5HK$5,139 HKD
Retailer 2HK$5,312 HKD
Retailer 14HK$5,767 HKD
Retailer 10HK$5,880 HKD
Retailer 8HK$5,940 HKD
Retailer 4HK$6,440 HKD
Retailer 9HK$6,830 HKD
Retailer 6HK$7,747 HKD
Retailer 3HK$7,914 HKD
Retailer 7HK$11,818 HKD
NZ JewellersHK$16,077 HKD

21 data points across 14 retailers

14 retailersHK$4,302 HKD to HK$16,077 HKD

A
Cheapest Retailer
-
HK$4,302 HKD
SGD 741 SGD
A
Retailer 2
-
HK$4,708 HKD
$600 USD
View
A
Retailer 3
-
HK$5,116 HKD
$652 USD
View
A
Retailer 4
-
HK$5,139 HKD
$655 USD
View
A
Retailer 5
-
HK$5,312 HKD
$677 USD
View
A
Retailer 6
-
HK$5,767 HKD
$735 USD
View
B+
Retailer 7
-
HK$5,880 HKD
£590 GBP
View
A
Retailer 8
-
HK$5,940 HKD
£596 GBP
View
B+
Retailer 9
-
HK$6,440 HKD
£646 GBP
View
B+
Retailer 10
-
HK$6,830 HKD
€829 EUR
View
B+
Retailer 11
-
HK$7,747 HKD
$987 USD
View
B+
Retailer 12
-
HK$7,914 HKD
ZAR 16,295 ZAR
View
B
Retailer 13
-
HK$11,818 HKD
£1,186 GBP
View
Most Expensive
B
NZ Jewellers
2af8094a-74d6-4ef5-87f1-7c20b67b34ed · Oct 30
HK$16,077 HKD
$2,049 USD
View
13 more retailers have this diamond
Prices start from HK$4,302 HKDSave up to HK$11,774 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
0.51ct Marquise
HK$4,302 HKD