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Oval|Natural|IGI

0.51ct K SI1 Oval Natural Diamond

VG • K/SI1 • IGI 815656298

Shape and cutting style on the report: Oval brilliant

Certificate IGI 815656298

Diamond specifications and retailer prices

From HK$2,986 HKD
As of November 5, 2026
Save HK$9,609 HKD (76%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$12,595 HKD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 0.51ct natural oval diamond

This 0.51ct natural oval sits in the half to three-quarter carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 815656298. Listed at 15 retailers as of November 5, 2026, with prices from HK$2,986 to HK$12,595, a HK$9,609 spread on the same certified stone. NZ Jewellers lists it at HK$12,595. 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
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle39.5°
Pavilion angle35.6°
OriginNatural
Grading LabIGI
CertificateIGI 815656298
Dimensions6.30 × 4.40 × 2.75 mm
L/W Ratio1.43
Girdle conditionFaceted
Top View
6.30 mm4.40 mm0.51 ctK / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 815656298
Side View
Table 58.0%Crown 39.5°Girdle: MED-THKPavilion 35.6°Culet: NoneDepth 62.5%

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$12,595 HKD|Low: HK$2,986 HKD|High: HK$12,869 HKD|Avg: HK$4,938 HKD|-2.1%
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
Retailer 15
November 6, 2026
Retailer 11HK$2,986 HKD
Retailer 7HK$3,057 HKD
Retailer 12HK$3,284 HKD
Retailer 13HK$3,543 HKD
Retailer 6HK$3,574 HKD
Retailer 10HK$3,793 HKD
Retailer 9HK$3,809 HKD
Retailer 3HK$3,840 HKD
Retailer 2HK$4,005 HKD
Retailer 5HK$4,538 HKD
Retailer 14HK$5,063 HKD
Retailer 15HK$5,102 HKD
Retailer 8HK$5,298 HKD
Retailer 4HK$7,602 HKD
NZ JewellersHK$12,595 HKD

18 data points across 15 retailers

15 retailersHK$2,986 HKD to HK$12,595 HKD

A
Cheapest Retailer
-
HK$2,986 HKD
Retailer 2
-
HK$3,057 HKD
View
Price last confirmed 9 days ago
A
Retailer 3
-
HK$3,284 HKD
View
A
Retailer 4
-
HK$3,543 HKD
View
Retailer 5
-
HK$3,574 HKD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
HK$3,793 HKD
View
B+
Retailer 7
-
HK$3,809 HKD
View
B+
Retailer 8
-
HK$3,840 HKD
View
B+
Retailer 9
-
HK$4,005 HKD
View
B+
Retailer 10
-
HK$4,538 HKD
View
B
Retailer 11
-
HK$5,063 HKD
View
B
Retailer 12
-
HK$5,102 HKD
View
B
Retailer 13
-
HK$5,298 HKD
View
B
Retailer 14
-
HK$7,602 HKD
View
Most Expensive
C
NZ Jewellers
d3d89fb4-5f5c-4fd9-8d0d-1a0c11664320 · Nov 5
HK$12,595 HKD
$1,607 USD
View
14 more retailers have this diamond
Prices start from HK$2,986 HKDSave up to HK$9,609 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 Oval
HK$2,986 HKD