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Princess|Natural|GIA

1.21ct J SI1 Princess Natural Diamond

EX • J/SI1 • GIA 6532693554

Certificate GIA 6532693554

Diamond specifications and retailer prices

From £1,023 GBP
As of November 6, 2026
Save £1,324 GBP (56%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £2,346 GBP at MOH London · As of November 2, 2026
View at MOH London

About this 1.21ct natural princess diamond

This 1.21ct natural princess sits in the classic one-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6532693554. Listed at 12 retailers as of November 2, 2026, with prices from £1,023 to £2,346, a £1,324 spread on the same certified stone. MOH London lists it at £2,346. 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
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6532693554
Dimensions5.73 × 5.62 × 4.13 mm
L/W Ratio1.02
Top View
5.73 mm5.62 mm1.21 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6532693554
Side View
Table 71.0%CrownGirdle: Very ThickPavilionCulet: NoneDepth 73.6%

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: £2,346 GBP|Low: £1,013 GBP|High: £2,374 GBP|Avg: £1,445 GBP|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 7, 2026
Retailer 12£1,023 GBP
Retailer 7£1,079 GBP
Retailer 3£1,236 GBP
Retailer 11£1,289 GBP
Retailer 14£1,310 GBP
Retailer 5£1,381 GBP
Retailer 6£1,391 GBP
Retailer 8£1,423 GBP
Retailer 4£1,436 GBP
Retailer 13£1,441 GBP
Retailer 2£1,482 GBP
Retailer 10£1,634 GBP
Retailer 9£1,818 GBP
MOH London£2,346 GBP

13 data points across 14 retailers

12 retailers£1,023 GBP to £2,346 GBP

A
Cheapest Retailer
-
£1,023 GBP
A
Retailer 2
-
£1,079 GBP
View
B+
Retailer 3
-
£1,236 GBP
View
Final sale: no returns
B+
Retailer 4
-
£1,289 GBP
View
B+
Retailer 5
-
£1,310 GBP
View
B+
Retailer 6
-
£1,423 GBP
View
B+
Retailer 7
-
£1,436 GBP
View
B+
Retailer 8
-
£1,441 GBP
View
B+
Retailer 9
-
£1,482 GBP
View
B
Retailer 10
-
£1,634 GBP
View
B
Retailer 11
-
£1,818 GBP
View
Most Expensive
B
MOH London
376AFFCE9 · Nov 2
£2,346 GBP
View
11 more retailers have this diamond
Prices start from £1,023 GBPSave up to £1,324 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
£1,023 GBP