Princess|Natural|IGI

1.23ct K SI1 Princess Natural Diamond

VG • K/SI1 • IGI 350864503

Shape and cutting style on the report: Princess cut

Certificate IGI 350864503

Diamond specifications and retailer prices

From $1,214 USD
As of November 6, 2026
Save $983 USD (45%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $2,197 USD at MOH London · As of November 4, 2026
View at MOH London

About this 1.23ct natural princess diamond

This 1.23ct 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 350864503. Listed at 4 retailers as of November 4, 2026, with prices from $1,214 to $2,197, a $983 spread on the same certified stone. MOH London lists it at $2,197. 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

1.23
Carat
K
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
Crown angle38.2°
Pavilion angle39.7°
OriginNatural
Grading LabIGI
CertificateIGI 350864503
Dimensions5.99 × 5.98 × 4.15 mm
L/W Ratio1.00
Culet sizePointed
Top View
5.99 mm5.98 mm1.23 ctK / SI1
OriginNatural
CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateIGI 350864503
Side View
Table 78.0%Crown 38.2°Girdle: MED-STKPavilion 39.7°Culet: NoneDepth 69.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 6
Current: $2,197 USD|Low: $1,214 USD|High: $2,647 USD|Avg: $1,776 USD|-16.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
November 6, 2026
Retailer 4$1,214 USD
Retailer 3$1,372 USD
Retailer 2$1,671 USD
MOH London$2,197 USD

40 data points across 4 retailers

4 retailers$1,214 USD to $2,197 USD

B+
Cheapest Retailer
-
$1,214 USD
B+
Retailer 2
-
$1,372 USD
View
B+
Retailer 3
-
$1,671 USD
View
Most Expensive
B
MOH London
1B96BB93C · Nov 4
$2,197 USD
£1,730 GBP
View
3 more retailers have this diamond
Prices start from $1,214 USDSave up to $983 USD

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+
1.23ct Princess
$1,214 USD