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Princess|Natural|GIA

1.21ct H SI2 Princess Natural Diamond

EX • H/SI2 • GIA 1543146365

Certificate GIA 1543146365

Diamond specifications and retailer prices

From £2,533 GBP
As of November 5, 2026
Save £811 GBP (24%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £3,344 GBP at 77 Diamonds · As of November 5, 2026
View at 77 Diamonds

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 stated by the retailer rather than the lab and certified by GIA 1543146365. Listed at 2 retailers as of November 5, 2026, with prices from £2,533 to £3,344, a £811 spread on the same certified stone. 77 Diamonds lists it at £3,344. 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 (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle27.57°
Pavilion angle37.93°
OriginNatural
Grading LabGIA
CertificateGIA 1543146365
Dimensions5.72 × 5.72 × 4.15 mm
L/W Ratio1.00
Culet sizeNone
Top View
5.72 mm5.72 mm1.21 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1543146365
Side View
Table 71.0%Crown 27.57°Girdle: THK-VTKPavilion 37.93°Culet: NoneDepth 72.6%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 5
Current: £3,344 GBP|Low: £2,533 GBP|High: £3,389 GBP|Avg: £2,949 GBP|+1.1%
77 Diamonds
Retailer 2
November 5, 2026
Retailer 2£2,533 GBP
77 Diamonds£3,344 GBP

36 data points across 2 retailers

2 retailers£2,533 GBP to £3,344 GBP

B
Cheapest Retailer
-
£2,533 GBP
Most Expensive
B
77 Diamonds
PRIMBYDJKBPKA · Nov 5
£3,344 GBP
View
1 more retailer has this diamond
Prices start from £2,533 GBPSave up to £811 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.

B
1.21ct Princess
£2,533 GBP