Princess|Natural|IGI

1.21ct H SI2 Princess Natural Diamond

EX • H/SI2 • IGI 788607993

Shape and cutting style on the report: Princess cut

Certificate IGI 788607993

Diamond specifications and retailer prices

From £1,315 GBP
As of November 6, 2026
2 retailers carry this diamond
Most expensive: £1,497 GBP at Aurelinne · As of September 1, 2026
View at Aurelinne

About this 1.21ct natural princess diamond

This 1.21ct natural princess sits in the classic one-carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 788607993. Listed at 2 retailers as of November 6, 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
H
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.2°
Pavilion angle39.1°
OriginNatural
Grading LabIGI
CertificateIGI 788607993
Dimensions5.94 × 5.89 × 4.16 mm
L/W Ratio1.01
Culet sizePointed
Top View
5.94 mm5.89 mm1.21 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 788607993
Side View
Table 70.0%Crown 41.2°Girdle: Slightly ThickPavilion 39.1°Culet: NoneDepth 70.6%

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: £1,315 GBP|Low: £1,080 GBP|High: £2,084 GBP|Avg: £1,453 GBP
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
September 9, 2026
Retailer 11£1,080 GBP
Retailer 7£1,182 GBP
Retailer 4£1,287 GBP
Retailer 5£1,298 GBP
Retailer 6£1,298 GBP
Retailer 1£1,315 GBP
Retailer 2£1,387 GBP
Retailer 8£1,399 GBP
Retailer 9£1,544 GBP
Retailer 10£1,598 GBP
Retailer 3£2,043 GBP

26 data points across 11 retailers

2 retailers

A
Cheapest Retailer
-
£1,315 GBP
Most Expensive
Aurelinne
7a5c9733-9e6f-4c06-8f4c-e45e678489b2 · Sep 1
£1,497 GBP
$2,004 USD
View
Price last confirmed 66 days ago
1 more retailer has this diamond
Prices start from £1,315 GBP

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
£1,315 GBP