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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 $3,222 NZD
As of November 6, 2026
Save $4,632 NZD (59%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $7,853 NZD 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 $3,222 to $7,853, a $4,632 spread on the same certified stone. MOH London lists it at $7,853. 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: $7,853 NZD|Low: $3,222 NZD|High: $7,970 NZD|Avg: $4,987 NZD|-1.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 2$3,222 NZD
Retailer 7$4,059 NZD
Retailer 8$4,194 NZD
Retailer 3$4,360 NZD
Retailer 4$4,840 NZD
Retailer 6$5,060 NZD
Retailer 5$5,486 NZD
MOH London$7,853 NZD

27 data points across 8 retailers

12 retailers$3,222 NZD to $7,853 NZD

A
Cheapest Retailer
-
$3,222 NZD
B+
Retailer 2
-
$4,059 NZD
View
B+
Retailer 3
-
$4,059 NZD
View
B+
Retailer 4
-
$4,194 NZD
View
B+
Retailer 5
-
$4,360 NZD
View
Retailer 6
-
$4,495 NZD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
$4,748 NZD
View
B+
Retailer 8
-
$4,840 NZD
View
B+
Retailer 9
-
$5,060 NZD
View
B+
Retailer 10
-
$5,186 NZD
View
B+
Retailer 11
-
$5,486 NZD
View
Most Expensive
B
MOH London
E97CBE54D · Nov 4
$7,853 NZD
£3,428 GBP
View
11 more retailers have this diamond
Prices start from $3,222 NZDSave up to $4,632 NZD

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
$3,222 NZD