CaratHunter
Plans
Princess|Natural|IGI

1.21ct I SI2 Princess Natural Diamond

EX • I/SI2 • IGI 824604377

Shape and cutting style on the report: Princess cut

Certificate IGI 824604377

Diamond specifications and retailer prices

From $1,374 USD
₹130,842 INR
As of October 28, 2026
3 retailers carry this diamond
Most expensive: $1,510 USD at Brilliant Earth · As of September 21, 2026
View at Brilliant Earth

About this 1.21ct natural princess diamond

This 1.21ct natural princess sits in the classic one-carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 824604377. Listed at 3 retailers as of October 28, 2026. 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
I
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47°
Pavilion angle39.3°
OriginNatural
Grading LabIGI
CertificateIGI 824604377
Dimensions5.74 × 5.73 × 4.15 mm
L/W Ratio1.00
Top View
5.74 mm5.73 mm1.21 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 824604377
Side View
Table 73.0%Crown 47°Girdle: Slightly ThickPavilion 39.3°Culet: NoneDepth 72.4%

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: Oct 28
Current: $1,510 USD|Low: $1,354 USD|High: $2,236 USD|Avg: $1,616 USD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 28, 2026
Retailer 4$1,354 USD
Retailer 2$1,374 USD
Retailer 5$1,380 USD
Brilliant Earth$1,510 USD
Retailer 6$1,839 USD
Retailer 3$2,236 USD

18 data points across 6 retailers

3 retailers

A
Cheapest Retailer
-
$1,374 USD
₹130,842 INR
Retailer 2
-
$1,380 USD
View
Price last confirmed 43 days ago
Most Expensive
Brilliant Earth
21073635A · Sep 21
$1,510 USD
View
Price last confirmed 41 days ago
2 more retailers have this diamond
Prices start from $1,374 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.

A
1.21ct Princess
$1,374 USD