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Princess|Natural|IGI

1.21ct J SI1 Princess Natural Diamond

VG • J/SI1 • IGI 134

Certificate IGI 134

Diamond specifications and retailer prices

From $1,485 SGD
As of November 4, 2026
Save $238 SGD (14%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $1,724 SGD at B2C Jewels · As of November 6, 2026
View at B2C Jewels

About this 1.21ct natural princess diamond

This 1.21ct natural princess sits in the classic one-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI. Listed at 2 retailers as of November 4, 2026, with prices from $1,485 to $1,724, a $238 spread on the same certified stone. B2C Jewels lists it at $1,724. 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
J
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishGood
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabIGI
CertificateIGI 134
Dimensions5.73 × 5.64 mm
L/W Ratio1.02
Top View
5.73 mm5.64 mm1.21 ctJ / SI1
OriginNatural
CutVery Good
PolishGood
SymmetryGood
FluorescenceNone
CertificateIGI 134
Side View
Table 72.0%CrownGirdlePavilionCulet: NoneDepth 76.4%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 4
Current: $1,724 SGD|Low: $1,485 SGD|High: $2,052 SGD|Avg: $1,722 SGD|-16.0%
B2C Jewels
Retailer 2
October 24, 2026
Retailer 2$1,485 SGD
B2C Jewels$1,724 SGD

4 data points across 2 retailers

2 retailers$1,485 SGD to $1,724 SGD

B+
Cheapest Retailer
-
$1,485 SGD
Most Expensive
B+
B2C Jewels
27896445 · Nov 6
$1,724 SGD
$1,345 USD
View
1 more retailer has this diamond
Prices start from $1,485 SGDSave up to $238 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.

B+
1.21ct Princess
$1,485 SGD