CaratHunter
Plans
Princess|Natural|IGI

1.21ct K SI1 Princess Natural Diamond

VG • K/SI1 • IGI 42

Certificate IGI 42

Diamond specifications and retailer prices

From $1,374 SGD
As of November 4, 2026
Save $249 SGD (15%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $1,623 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 K colour (faint-tinted) 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 $1,374 to $1,623, a $249 spread on the same certified stone. B2C Jewels lists it at $1,623. 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
K
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryGood
FluorescenceFaint
OriginNatural
Grading LabIGI
CertificateIGI 42
Dimensions6.15 × 6.11 mm
L/W Ratio1.01
Top View
6.15 mm6.11 mm1.21 ctK / SI1
OriginNatural
CutVery Good
PolishVery Good
SymmetryGood
FluorescenceFaint
CertificateIGI 42
Side View
Table 74.0%CrownGirdle: MediumPavilionCulet: NoneDepth 67.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $1,623 SGD|Low: $1,374 SGD|High: $1,851 SGD|Avg: $1,585 SGD|-12.3%
B2C Jewels
Retailer 2
October 29, 2026
Retailer 2$1,374 SGD
B2C Jewels$1,623 SGD

4 data points across 2 retailers

2 retailers$1,374 SGD to $1,623 SGD

B+
Cheapest Retailer
-
$1,374 SGD
Most Expensive
B+
B2C Jewels
27930414 · Nov 6
$1,623 SGD
$1,266 USD
View
1 more retailer has this diamond
Prices start from $1,374 SGDSave up to $249 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
$1,374 SGD