CaratHunter
Plans
Oval|Natural|IGI

1.31ct K SI1 Oval Natural Diamond

VG • K/SI1 • IGI 628465278

Shape and cutting style on the report: Oval brilliant

Certificate IGI 628465278

Diamond specifications and retailer prices

From HK$13,998 HKD
As of November 6, 2026
Save HK$20,123 HKD (59%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$34,121 HKD at MOH London · As of November 4, 2026
View at MOH London

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 628465278. Listed at 12 retailers as of November 4, 2026, with prices from HK$13,998 to HK$34,121, a HK$20,123 spread on the same certified stone. MOH London lists it at HK$34,121. 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 angle40.4°
Pavilion angle41.7°
OriginNatural
Grading LabIGI
CertificateIGI 628465278
Dimensions8.46 × 6.03 × 3.90 mm
L/W Ratio1.40
Girdle conditionFaceted
Culet sizePointed
Top View
8.46 mm6.03 mm1.31 ctK / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 628465278
Side View
Table 62.0%Crown 40.4°Girdle: MED-THKPavilion 41.7°Culet: NoneDepth 64.7%

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 6
Current: HK$34,121 HKD|Low: HK$13,998 HKD|High: HK$34,628 HKD|Avg: HK$21,668 HKD|-1.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 2HK$13,998 HKD
Retailer 7HK$17,634 HKD
Retailer 8HK$18,222 HKD
Retailer 3HK$18,943 HKD
Retailer 4HK$21,028 HKD
Retailer 6HK$21,984 HKD
Retailer 5HK$23,834 HKD
MOH LondonHK$34,121 HKD

27 data points across 8 retailers

12 retailersHK$13,998 HKD to HK$34,121 HKD

A
Cheapest Retailer
-
HK$13,998 HKD
B+
Retailer 2
-
HK$17,634 HKD
View
B+
Retailer 3
-
HK$17,634 HKD
View
B+
Retailer 4
-
HK$18,222 HKD
View
B+
Retailer 5
-
HK$18,943 HKD
View
Retailer 6
-
HK$19,531 HKD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
HK$20,628 HKD
View
B+
Retailer 8
-
HK$21,028 HKD
View
B+
Retailer 9
-
HK$21,984 HKD
View
B+
Retailer 10
-
HK$22,533 HKD
View
B+
Retailer 11
-
HK$23,834 HKD
View
Most Expensive
B
MOH London
E97CBE54D · Nov 4
HK$34,121 HKD
£3,428 GBP
View
11 more retailers have this diamond
Prices start from HK$13,998 HKDSave up to HK$20,123 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$13,998 HKD