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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 $2,058 SGD
As of November 5, 2026
Save $3,454 SGD (63%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $5,512 SGD 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 $2,058 to $5,512, a $3,454 spread on the same certified stone. NZ Jewellers lists it at $5,512. 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

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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: $5,512 SGD|Low: $2,058 SGD|High: $5,884 SGD|Avg: $2,954 SGD|-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$2,058 SGD
Retailer 2$2,192 SGD
Retailer 3$2,259 SGD
Retailer 10$2,339 SGD
Retailer 4$2,349 SGD
Retailer 11$2,365 SGD
Retailer 5$2,412 SGD
Retailer 8$2,552 SGD
Retailer 12$2,608 SGD
Retailer 7$2,758 SGD
Retailer 6$3,069 SGD
Retailer 9$3,949 SGD
NZ Jewellers$5,512 SGD

35 data points across 13 retailers

15 retailers$2,058 SGD to $5,512 SGD

A
Cheapest Retailer
-
$2,058 SGD
A
Retailer 2
-
$2,192 SGD
View
B+
Retailer 3
-
$2,259 SGD
View
A
Retailer 4
-
$2,339 SGD
View
B+
Retailer 5
-
$2,349 SGD
View
A
Retailer 6
-
$2,365 SGD
View
Retailer 7
-
$2,412 SGD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$2,531 SGD
View
A
Retailer 9
-
$2,552 SGD
View
B+
Retailer 10
-
$2,608 SGD
View
A
Retailer 11
-
$2,758 SGD
View
B+
Retailer 12
-
$3,069 SGD
View
B+
Retailer 13
-
$3,949 SGD
View
Retailer 14
-
$5,425 SGD
View
Price last confirmed 68 days ago
Most Expensive
B
NZ Jewellers
c08defea-25bc-47ff-9964-6d6a7936f7ab · Nov 5
$5,512 SGD
$4,301 USD
View
14 more retailers have this diamond
Prices start from $2,058 SGDSave up to $3,454 SGD

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
$2,058 SGD