CaratHunter
Plans
Oval|Natural|IGI

1.31ct K SI1 Oval Natural Diamond

VG • K/SI1 • IGI 774635679

Shape and cutting style on the report: Oval brilliant

Certificate IGI 774635679

Diamond specifications and retailer prices

From HK$12,587 HKD
As of November 5, 2026
Save HK$21,122 HKD (63%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$33,709 HKD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.31ct natural oval diamond

This 1.31ct natural oval sits in the one-and-a-quarter to one-and-a-half carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 774635679. Listed at 15 retailers as of November 5, 2026, with prices from HK$12,587 to HK$33,709, a HK$21,122 spread on the same certified stone. NZ Jewellers lists it at HK$33,709. 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

1.31
Carat
K
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39°
Pavilion angle41°
OriginNatural
Grading LabIGI
CertificateIGI 774635679
Dimensions8.60 × 6.00 × 3.94 mm
L/W Ratio1.43
Girdle conditionFaceted
Culet sizePointed
Top View
8.60 mm6.00 mm1.31 ctK / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 774635679
Side View
Table 61.0%Crown 39°Girdle: MED-STKPavilion 41°Culet: NoneDepth 65.7%

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$33,709 HKD|Low: HK$12,587 HKD|High: HK$35,982 HKD|Avg: HK$18,064 HKD|-6.3%
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$12,587 HKD
Retailer 2HK$13,402 HKD
Retailer 3HK$13,817 HKD
Retailer 10HK$14,303 HKD
Retailer 4HK$14,366 HKD
Retailer 11HK$14,460 HKD
Retailer 5HK$14,750 HKD
Retailer 8HK$15,604 HKD
Retailer 12HK$15,949 HKD
Retailer 7HK$16,866 HKD
Retailer 6HK$18,771 HKD
Retailer 9HK$24,147 HKD
NZ JewellersHK$33,709 HKD

35 data points across 13 retailers

15 retailersHK$12,587 HKD to HK$33,709 HKD

A
Cheapest Retailer
-
HK$12,587 HKD
A
Retailer 2
-
HK$13,402 HKD
View
B+
Retailer 3
-
HK$13,817 HKD
View
A
Retailer 4
-
HK$14,303 HKD
View
B+
Retailer 5
-
HK$14,366 HKD
View
A
Retailer 6
-
HK$14,460 HKD
View
Retailer 7
-
HK$14,750 HKD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
HK$15,479 HKD
View
A
Retailer 9
-
HK$15,604 HKD
View
B+
Retailer 10
-
HK$15,949 HKD
View
A
Retailer 11
-
HK$16,866 HKD
View
B+
Retailer 12
-
HK$18,771 HKD
View
B+
Retailer 13
-
HK$24,147 HKD
View
Retailer 14
-
HK$33,176 HKD
View
Price last confirmed 68 days ago
Most Expensive
B
NZ Jewellers
c08defea-25bc-47ff-9964-6d6a7936f7ab · Nov 5
HK$33,709 HKD
$4,301 USD
View
14 more retailers have this diamond
Prices start from HK$12,587 HKDSave up to HK$21,122 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
1.31ct Oval
HK$12,587 HKD