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Oval|Natural|IGI

1.51ct K SI1 Oval Natural Diamond

VG • K/SI1 • IGI 720526840

Shape and cutting style on the report: Oval brilliant

Certificate IGI 720526840

Diamond specifications and retailer prices

From $3,200 SGD
As of November 5, 2026
Save $4,270 SGD (57%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $7,470 SGD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.51ct natural oval diamond

This 1.51ct natural oval sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 720526840. Listed at 14 retailers as of November 5, 2026, with prices from $3,200 to $7,470, a $4,270 spread on the same certified stone. NZ Jewellers lists it at $7,470. 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

1.51
Carat
K
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle33.4°
Pavilion angle41.4°
OriginNatural
Grading LabIGI
CertificateIGI 720526840
Dimensions9.16 × 6.48 × 4.01 mm
L/W Ratio1.41
Girdle conditionFaceted
Culet sizePointed
Top View
9.16 mm6.48 mm1.51 ctK / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 720526840
Side View
Table 58.0%Crown 33.4°Girdle: MED-THKPavilion 41.4°Culet: NoneDepth 61.9%

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: $4,361 SGD|Low: $3,200 SGD|High: $6,334 SGD|Avg: $4,033 SGD|+1.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 8$3,200 SGD
Retailer 4$3,478 SGD
Retailer 6$3,505 SGD
Retailer 7$3,573 SGD
Retailer 9$3,710 SGD
Retailer 2$3,849 SGD
Retailer 5$4,181 SGD
Retailer 1$4,361 SGD
Retailer 3$6,243 SGD

39 data points across 9 retailers

14 retailers$3,200 SGD to $7,470 SGD

A
Cheapest Retailer
-
$3,200 SGD
B+
Retailer 2
-
$3,406 SGD
View
A
Retailer 3
-
$3,478 SGD
View
B+
Retailer 4
-
$3,505 SGD
View
Retailer 5
-
$3,573 SGD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$3,573 SGD
View
B+
Retailer 7
-
$3,710 SGD
View
B+
Retailer 8
-
$3,754 SGD
View
B+
Retailer 9
-
$3,849 SGD
View
B+
Retailer 10
-
$4,123 SGD
View
B+
Retailer 11
-
$4,181 SGD
View
B+
Retailer 12
-
$4,361 SGD
View
B
Retailer 13
-
$6,243 SGD
View
Most Expensive
B
NZ Jewellers
2dc671e7-14e7-4444-ab2c-7216e85e81f4 · Nov 5
$7,470 SGD
$5,829 USD
View
13 more retailers have this diamond
Prices start from $3,200 SGDSave up to $4,270 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
1.51ct Oval
$3,200 SGD