CaratHunter
Plans
Marquise|Natural|IGI

0.51ct K VS1 Marquise Natural Diamond

VG • K/VS1 • IGI 815673838

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 815673838

Diamond specifications and retailer prices

From HK$4,080 HKD
As of November 5, 2026
Save HK$8,716 HKD (68%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$12,796 HKD at NZ Jewellers · As of November 5, 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 K colour (faint-tinted) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI 815673838. Listed at 13 retailers as of November 5, 2026, with prices from HK$4,080 to HK$12,796, a HK$8,716 spread on the same certified stone. NZ Jewellers lists it at HK$12,796. 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
K
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceFaint
Crown angle33.6°
Pavilion angle37.2°
OriginNatural
Grading LabIGI
CertificateIGI 815673838
Dimensions8.34 × 4.30 × 2.47 mm
L/W Ratio1.94
Girdle conditionFaceted
Top View
8.34 mm4.30 mm0.51 ctK / VS1
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateIGI 815673838
Side View
Table 62.0%Crown 33.6°Girdle: MED-THKPavilion 37.2°Culet: NoneDepth 57.4%

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 5
Current: HK$12,796 HKD|Low: HK$4,080 HKD|High: HK$12,796 HKD|Avg: HK$5,967 HKD
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
November 6, 2026
Retailer 13HK$4,080 HKD
Retailer 11HK$4,393 HKD
Retailer 12HK$4,393 HKD
Retailer 2HK$4,707 HKD
Retailer 3HK$4,707 HKD
Retailer 5HK$5,107 HKD
Retailer 7HK$5,256 HKD
Retailer 4HK$5,350 HKD
Retailer 6HK$5,586 HKD
Retailer 10HK$5,649 HKD
Retailer 8HK$6,323 HKD
Retailer 9HK$9,414 HKD
NZ JewellersHK$12,796 HKD

38 data points across 13 retailers

13 retailersHK$4,080 HKD to HK$12,796 HKD

A
Cheapest Retailer
-
HK$4,080 HKD
Retailer 2
-
HK$4,393 HKD
View
Price last confirmed 8 days ago
B+
Retailer 3
-
HK$4,393 HKD
View
B+
Retailer 4
-
HK$4,707 HKD
View
B+
Retailer 5
-
HK$4,707 HKD
View
B+
Retailer 6
-
HK$5,107 HKD
View
B+
Retailer 7
-
HK$5,256 HKD
View
B+
Retailer 8
-
HK$5,350 HKD
View
B+
Retailer 9
-
HK$5,586 HKD
View
B
Retailer 10
-
HK$5,649 HKD
View
B
Retailer 11
-
HK$6,323 HKD
View
B
Retailer 12
-
HK$9,414 HKD
View
Most Expensive
C
NZ Jewellers
212d9077-4586-4838-a71f-3e623eaf8711 · Nov 5
HK$12,796 HKD
$1,631 USD
View
12 more retailers have this diamond
Prices start from HK$4,080 HKDSave up to HK$8,716 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$4,080 HKD