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Princess|Natural|GIA

1.21ct K SI2 Princess Natural Diamond

EX • K/SI2

Diamond specifications and retailer prices

From £1,369 GBP
As of November 5, 2026
Save £1,790 GBP (57%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £3,158 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA. Listed at 9 retailers as of November 5, 2026, with prices from £1,369 to £3,158, a £1,790 spread on the same certified stone. NZ Jewellers lists it at £3,158. 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
K
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishGood
SymmetryFair
FluorescenceFaint
OriginNatural
Grading LabGIA
Dimensions5.73 × 5.70 × 4.24 mm
L/W Ratio1.01
Top View
5.73 mm5.70 mm1.21 ctK / SI2
OriginNatural
CutExcellent
PolishGood
SymmetryFair
FluorescenceFaint
CertificateGIA
Side View
Table 71.0%CrownGirdle: MED-ETKPavilionCulet: NoneDepth 74.3%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: £3,158 GBP|Low: £1,227 GBP|High: £3,158 GBP|Avg: £1,647 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 29, 2026
Retailer 6£1,227 GBP
Retailer 2£1,369 GBP
Retailer 4£1,369 GBP
Retailer 7£1,387 GBP
Retailer 3£1,432 GBP
Retailer 8£1,542 GBP
Retailer 5£1,579 GBP
NZ Jewellers£3,158 GBP

6 data points across 8 retailers

9 retailers£1,369 GBP to £3,158 GBP

Retailer 1
-
£1,369 GBP
Price last confirmed 8 days ago
Retailer 2
-
£1,369 GBP
View
Price last confirmed 15 days ago
B
Retailer 3
-
£1,369 GBP
View
Retailer 4
-
£1,432 GBP
View
Price last confirmed 15 days ago
B
Retailer 5
-
£1,432 GBP
View
B
Retailer 6
-
£1,579 GBP
View
Retailer 7
-
£1,579 GBP
View
Price last confirmed 14 days ago
Retailer 8
-
£3,158 GBP
View
Price last confirmed 13 days ago
Most Expensive
C
NZ Jewellers
12b8d45e-d332-4803-b199-89eca6f60a79 · Nov 5
£3,158 GBP
$4,251 USD
View
8 more retailers have this diamond
Prices start from £1,369 GBPSave up to £1,790 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
£1,369 GBP