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Oval|Natural|IGI

1.21ct K SI1 Oval Natural Diamond

EX • K/SI1 • IGI 762534812

Shape and cutting style on the report: Oval brilliant

Certificate IGI 762534812

Diamond specifications and retailer prices

From $1,419 SGD
As of November 6, 2026
Save $1,339 SGD (49%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $3,794 SGD at NZ Jewellers · As of September 30, 2026
View at NZ Jewellers

About this 1.21ct natural oval diamond

This 1.21ct natural oval sits in the classic one-carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 762534812. Listed at 14 retailers as of November 4, 2026, with a 94% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.21
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34.5°
Pavilion angle40.6°
OriginNatural
Grading LabIGI
CertificateIGI 762534812
Dimensions9.17 × 5.75 × 3.60 mm
L/W Ratio1.59
Girdle conditionFaceted
Culet sizePointed
Top View
9.17 mm5.75 mm1.21 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 762534812
Side View
Table 61.0%Crown 34.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.6%

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 6
Current: $1,419 SGD|Low: $1,419 SGD|High: $2,882 SGD|Avg: $1,902 SGD|-1.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 1$1,419 SGD
Retailer 7$1,448 SGD
Retailer 2$1,556 SGD
Retailer 9$1,569 SGD
Retailer 8$1,637 SGD
Retailer 3$1,652 SGD
Retailer 4$1,699 SGD
Retailer 5$1,842 SGD
Retailer 10$2,112 SGD
Retailer 6$2,758 SGD

44 data points across 10 retailers

14 retailers$1,419 SGD to $2,758 SGD

A
Cheapest Retailer
-
$1,419 SGD
A
Retailer 2
-
$1,448 SGD
View
Retailer 3
-
$1,556 SGD
View
Price last confirmed 36 days ago
Retailer 4
-
$1,556 SGD
View
Price last confirmed 21 days ago
A
Retailer 5
-
$1,569 SGD
View
Retailer 6
-
$1,615 SGD
View
Price last confirmed 38 days ago
A
Retailer 7
-
$1,637 SGD
View
A
Retailer 8
-
$1,652 SGD
View
A
Retailer 9
-
$1,699 SGD
View
Retailer 10
-
$1,794 SGD
View
Price last confirmed 38 days ago
A
Retailer 11
-
$1,842 SGD
View
A
Retailer 12
-
$2,112 SGD
View
B+
Retailer 13
-
$2,758 SGD
View
Most Expensive
NZ Jewellers
bfccbb32-3a67-49db-afa6-372b1bd30458 · Sep 30
$3,794 SGD
$2,960 USD
View
Price last confirmed 37 days ago
13 more retailers have this diamond
Prices start from $1,419 SGDSave up to $1,339 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
1.21ct Oval
$1,419 SGD