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Oval|Natural|IGI

1.51ct K SI1 Oval Natural Diamond

VG • K/SI1 • IGI 720526840

Shape and cutting style on the report: Oval brilliant

Certificate IGI 720526840

Diamond specifications and retailer prices

From HK$19,570 HKD
As of November 5, 2026
Save HK$26,114 HKD (57%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$45,684 HKD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.51ct natural oval diamond

This 1.51ct natural oval sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 720526840. Listed at 14 retailers as of November 5, 2026, with prices from HK$19,570 to HK$45,684, a HK$26,114 spread on the same certified stone. NZ Jewellers lists it at HK$45,684. 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

1.51
Carat
K
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle33.4°
Pavilion angle41.4°
OriginNatural
Grading LabIGI
CertificateIGI 720526840
Dimensions9.16 × 6.48 × 4.01 mm
L/W Ratio1.41
Girdle conditionFaceted
Culet sizePointed
Top View
9.16 mm6.48 mm1.51 ctK / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 720526840
Side View
Table 58.0%Crown 33.4°Girdle: MED-THKPavilion 41.4°Culet: NoneDepth 61.9%

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 5
Current: HK$26,671 HKD|Low: HK$19,570 HKD|High: HK$38,732 HKD|Avg: HK$24,664 HKD|+1.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 8HK$19,570 HKD
Retailer 4HK$21,271 HKD
Retailer 6HK$21,435 HKD
Retailer 7HK$21,851 HKD
Retailer 9HK$22,689 HKD
Retailer 2HK$23,536 HKD
Retailer 5HK$25,566 HKD
Retailer 1HK$26,671 HKD
Retailer 3HK$38,176 HKD

39 data points across 9 retailers

14 retailersHK$19,570 HKD to HK$45,684 HKD

A
Cheapest Retailer
-
HK$19,570 HKD
B+
Retailer 2
-
HK$20,832 HKD
View
A
Retailer 3
-
HK$21,271 HKD
View
B+
Retailer 4
-
HK$21,435 HKD
View
Retailer 5
-
HK$21,851 HKD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
HK$21,851 HKD
View
B+
Retailer 7
-
HK$22,689 HKD
View
B+
Retailer 8
-
HK$22,956 HKD
View
B+
Retailer 9
-
HK$23,536 HKD
View
B+
Retailer 10
-
HK$25,213 HKD
View
B+
Retailer 11
-
HK$25,566 HKD
View
B+
Retailer 12
-
HK$26,671 HKD
View
B
Retailer 13
-
HK$38,176 HKD
View
Most Expensive
B
NZ Jewellers
2dc671e7-14e7-4444-ab2c-7216e85e81f4 · Nov 5
HK$45,684 HKD
$5,829 USD
View
13 more retailers have this diamond
Prices start from HK$19,570 HKDSave up to HK$26,114 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
1.51ct Oval
HK$19,570 HKD