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Princess|Natural|GIA

1.20ct G SI1 Princess Natural Diamond

ID • G/SI1 • GIA 5242092253

Certificate GIA 5242092253

Diamond specifications and retailer prices

From £1,616 GBP
As of November 6, 2026
Save £2,110 GBP (57%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £3,726 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 1.2ct natural princess diamond

This 1.2ct natural princess sits in the classic one-carat band, graded G 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 5242092253. Listed at 10 retailers as of November 4, 2026, with prices from £1,616 to £3,726, a £2,110 spread on the same certified stone. MOH London lists it at £3,726. 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

1.20
Carat
G
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishVery Good
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5242092253
Dimensions5.98 × 5.74 × 4.13 mm
L/W Ratio1.04
Girdle conditionPolished
Culet sizeNone
Key to symbols
Crystal, Feather
Top View
5.98 mm5.74 mm1.20 ctG / SI1
OriginNatural
CutIdeal
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 5242092253
Side View
Table 69.0%CrownGirdle: ETN-ETKPavilionCulet: NoneDepth 71.9%

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: £3,726 GBP|Low: £1,530 GBP|High: £3,756 GBP|Avg: £2,135 GBP|+3.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 7£1,616 GBP
Retailer 10£1,711 GBP
Retailer 9£1,737 GBP
Retailer 8£2,111 GBP
Retailer 4£2,211 GBP
Retailer 6£2,211 GBP
Retailer 3£2,244 GBP
Retailer 5£2,286 GBP
Retailer 2£3,073 GBP
MOH London£3,726 GBP

27 data points across 10 retailers

10 retailers£1,616 GBP to £3,726 GBP

A
Cheapest Retailer
-
£1,616 GBP
A
Retailer 2
-
£1,692 GBP
View
A
Retailer 3
-
£1,737 GBP
View
B+
Retailer 4
-
£2,111 GBP
View
B+
Retailer 5
-
£2,211 GBP
View
B+
Retailer 6
-
£2,211 GBP
View
B
Retailer 7
-
£2,244 GBP
View
B
Retailer 8
-
£2,286 GBP
View
B
Retailer 9
-
£3,073 GBP
View
Most Expensive
B
MOH London
6DD5B2C40 · Nov 4
£3,726 GBP
View
9 more retailers have this diamond
Prices start from £1,616 GBPSave up to £2,110 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
1.20ct Princess
£1,616 GBP