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Oval|Natural|IGI

0.51ct H SI1 Oval Natural Diamond

VG • H/SI1 • IGI 815682447

Shape and cutting style on the report: Oval brilliant

Certificate IGI 815682447

Diamond specifications and retailer prices

From HK$3,096 HKD
As of November 6, 2026
Save HK$9,781 HKD (76%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$12,877 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 815682447. Listed at 13 retailers as of November 5, 2026, with prices from HK$3,096 to HK$12,877, a HK$9,781 spread on the same certified stone. NZ Jewellers lists it at HK$12,877. 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
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle41.5°
Pavilion angle29.3°
OriginNatural
Grading LabIGI
CertificateIGI 815682447
Dimensions7.09 × 4.27 × 2.43 mm
L/W Ratio1.66
Girdle conditionFaceted
Top View
7.09 mm4.27 mm0.51 ctH / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateIGI 815682447
Side View
Table 59.0%Crown 41.5°Girdle: STK-THKPavilion 29.3°Culet: NoneDepth 56.9%

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$12,877 HKD|Low: HK$3,096 HKD|High: HK$12,877 HKD|Avg: HK$4,848 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 3HK$3,096 HKD
Retailer 10HK$3,096 HKD
Retailer 9HK$3,362 HKD
Retailer 11HK$3,621 HKD
Retailer 8HK$3,880 HKD
Retailer 2HK$4,099 HKD
Retailer 4HK$4,209 HKD
Retailer 6HK$4,279 HKD
Retailer 5HK$4,585 HKD
Retailer 7HK$5,016 HKD
Retailer 12HK$5,565 HKD
Retailer 13HK$7,759 HKD
NZ JewellersHK$12,877 HKD

19 data points across 13 retailers

13 retailersHK$3,096 HKD to HK$12,877 HKD

Retailer 1
-
HK$3,096 HKD
Price last confirmed 9 days ago
A
Retailer 2
-
HK$3,096 HKD
View
Final sale: no returns
A
Retailer 3
-
HK$3,362 HKD
View
B+
Retailer 4
-
HK$3,621 HKD
View
B+
Retailer 5
-
HK$3,880 HKD
View
B+
Retailer 6
-
HK$4,099 HKD
View
B+
Retailer 7
-
HK$4,209 HKD
View
B+
Retailer 8
-
HK$4,279 HKD
View
B+
Retailer 9
-
HK$4,585 HKD
View
B+
Retailer 10
-
HK$5,016 HKD
View
B+
Retailer 11
-
HK$5,565 HKD
View
B
Retailer 12
-
HK$7,759 HKD
View
Most Expensive
C
NZ Jewellers
8a48c500-bc0c-4c1d-83d9-4875933a4a41 · Nov 5
HK$12,877 HKD
$1,643 USD
View
12 more retailers have this diamond
Prices start from HK$3,096 HKDSave up to HK$9,781 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$3,096 HKD