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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 $2,897 NZD
As of November 5, 2026
Save $4,862 NZD (63%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $7,759 NZD 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 $2,897 to $7,759, a $4,862 spread on the same certified stone. NZ Jewellers lists it at $7,759. 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: $7,759 NZD|Low: $2,897 NZD|High: $8,282 NZD|Avg: $4,158 NZD|-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$2,897 NZD
Retailer 2$3,085 NZD
Retailer 3$3,180 NZD
Retailer 10$3,292 NZD
Retailer 4$3,307 NZD
Retailer 11$3,328 NZD
Retailer 5$3,395 NZD
Retailer 8$3,592 NZD
Retailer 12$3,671 NZD
Retailer 7$3,882 NZD
Retailer 6$4,320 NZD
Retailer 9$5,558 NZD
NZ Jewellers$7,759 NZD

35 data points across 13 retailers

15 retailers$2,897 NZD to $7,759 NZD

A
Cheapest Retailer
-
$2,897 NZD
A
Retailer 2
-
$3,085 NZD
View
B+
Retailer 3
-
$3,180 NZD
View
A
Retailer 4
-
$3,292 NZD
View
B+
Retailer 5
-
$3,307 NZD
View
A
Retailer 6
-
$3,328 NZD
View
Retailer 7
-
$3,395 NZD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$3,563 NZD
View
A
Retailer 9
-
$3,592 NZD
View
B+
Retailer 10
-
$3,671 NZD
View
A
Retailer 11
-
$3,882 NZD
View
B+
Retailer 12
-
$4,320 NZD
View
B+
Retailer 13
-
$5,558 NZD
View
Retailer 14
-
$7,636 NZD
View
Price last confirmed 68 days ago
Most Expensive
B
NZ Jewellers
c08defea-25bc-47ff-9964-6d6a7936f7ab · Nov 5
$7,759 NZD
$4,301 USD
View
14 more retailers have this diamond
Prices start from $2,897 NZDSave up to $4,862 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
$2,897 NZD