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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 $2,337 AUD
As of November 5, 2026
Save $3,922 AUD (63%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $6,260 AUD 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 $2,337 to $6,260, a $3,922 spread on the same certified stone. NZ Jewellers lists it at $6,260. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $6,260 AUD|Low: $2,337 AUD|High: $6,682 AUD|Avg: $3,354 AUD|-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 13$2,337 AUD
Retailer 2$2,489 AUD
Retailer 3$2,566 AUD
Retailer 10$2,656 AUD
Retailer 4$2,668 AUD
Retailer 11$2,685 AUD
Retailer 5$2,739 AUD
Retailer 8$2,898 AUD
Retailer 12$2,962 AUD
Retailer 7$3,132 AUD
Retailer 6$3,486 AUD
Retailer 9$4,484 AUD
NZ Jewellers$6,260 AUD

35 data points across 13 retailers

15 retailers$2,337 AUD to $6,260 AUD

A
Cheapest Retailer
-
$2,337 AUD
A
Retailer 2
-
$2,489 AUD
View
B+
Retailer 3
-
$2,566 AUD
View
A
Retailer 4
-
$2,656 AUD
View
B+
Retailer 5
-
$2,668 AUD
View
A
Retailer 6
-
$2,685 AUD
View
Retailer 7
-
$2,739 AUD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$2,874 AUD
View
A
Retailer 9
-
$2,898 AUD
View
B+
Retailer 10
-
$2,962 AUD
View
A
Retailer 11
-
$3,132 AUD
View
B+
Retailer 12
-
$3,486 AUD
View
B+
Retailer 13
-
$4,484 AUD
View
Retailer 14
-
$6,161 AUD
View
Price last confirmed 68 days ago
Most Expensive
B
NZ Jewellers
c08defea-25bc-47ff-9964-6d6a7936f7ab · Nov 5
$6,260 AUD
$4,301 USD
View
14 more retailers have this diamond
Prices start from $2,337 AUDSave up to $3,922 AUD

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
$2,337 AUD