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Oval|Natural|IGI

1.21ct I SI2 Oval Natural Diamond

VG • I/SI2 • IGI 737595428

Shape and cutting style on the report: Oval brilliant

Certificate IGI 737595428

Diamond specifications and retailer prices

From $1,543 SGD
As of November 6, 2026
Save $2,579 SGD (63%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $4,122 SGD at NZ Jewellers · As of November 5, 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 737595428. Listed at 15 retailers as of November 5, 2026, with prices from $1,543 to $4,122, a $2,579 spread on the same certified stone. NZ Jewellers lists it at $4,122. 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

1.21
Carat
I
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.4°
Pavilion angle40.7°
OriginNatural
Grading LabIGI
CertificateIGI 737595428
Dimensions8.02 × 5.89 × 3.88 mm
L/W Ratio1.36
Girdle conditionFaceted
Culet sizePointed
Top View
8.02 mm5.89 mm1.21 ctI / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 737595428
Side View
Table 63.0%Crown 40.4°Girdle: STK-THKPavilion 40.7°Culet: NoneDepth 65.9%

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 6
Current: $4,122 SGD|Low: $1,543 SGD|High: $4,246 SGD|Avg: $2,155 SGD|-2.9%
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 2$1,543 SGD
Retailer 4$1,560 SGD
Retailer 6$1,637 SGD
Retailer 12$1,689 SGD
Retailer 5$1,740 SGD
Retailer 3$1,761 SGD
Retailer 10$1,767 SGD
Retailer 13$1,796 SGD
Retailer 7$1,837 SGD
Retailer 8$1,921 SGD
Retailer 11$2,357 SGD
Retailer 9$3,085 SGD
NZ Jewellers$4,122 SGD

46 data points across 13 retailers

15 retailers$1,543 SGD to $4,122 SGD

A
Cheapest Retailer
-
$1,543 SGD
A
Retailer 2
-
$1,560 SGD
View
Final sale: no returns
A
Retailer 3
-
$1,637 SGD
View
A
Retailer 4
-
$1,689 SGD
View
Retailer 5
-
$1,740 SGD
View
Price last confirmed 12 days ago
Retailer 6
-
$1,740 SGD
View
Price last confirmed 21 days ago
B+
Retailer 7
-
$1,761 SGD
View
A
Retailer 8
-
$1,767 SGD
View
B+
Retailer 9
-
$1,796 SGD
View
A
Retailer 10
-
$1,837 SGD
View
B+
Retailer 11
-
$1,847 SGD
View
A
Retailer 12
-
$1,921 SGD
View
A
Retailer 13
-
$2,357 SGD
View
B+
Retailer 14
-
$3,085 SGD
View
Most Expensive
B
NZ Jewellers
60187880-1303-4990-aa43-b99f2d2d3df4 · Nov 5
$4,122 SGD
$3,216 USD
View
14 more retailers have this diamond
Prices start from $1,543 SGDSave up to $2,579 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
$1,543 SGD