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Princess|Natural|GIA

1.20ct H SI1 Princess Natural Diamond

EX • H/SI1 • GIA 6411337901

Certificate GIA 6411337901

Diamond specifications and retailer prices

From £2,515 GBP
As of November 5, 2026
Save £1,291 GBP (34%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £3,805 GBP at 77 Diamonds · As of November 7, 2026
View at 77 Diamonds

About this 1.2ct natural princess diamond

This 1.2ct natural princess sits in the classic one-carat band, graded H 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 6411337901. Listed at 11 retailers as of November 5, 2026, with prices from £2,515 to £3,805, a £1,291 spread on the same certified stone. 77 Diamonds lists it at £3,805. 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
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6411337901
Dimensions5.70 × 5.57 × 4.14 mm
L/W Ratio1.02
Top View
5.70 mm5.57 mm1.20 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6411337901
Side View
Table 70.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 74.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: £3,805 GBP|Low: £2,515 GBP|High: £4,882 GBP|Avg: £3,297 GBP|+1.1%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 7, 2026
Retailer 11£2,515 GBP
Retailer 6£2,592 GBP
Retailer 8£2,669 GBP
Retailer 9£2,784 GBP
Retailer 5£2,846 GBP
Retailer 10£3,253 GBP
Retailer 7£3,262 GBP
Retailer 3£3,564 GBP
77 Diamonds£3,805 GBP
Retailer 2£4,504 GBP
Retailer 4£4,882 GBP

32 data points across 11 retailers

11 retailers£2,515 GBP to £3,805 GBP

B+
Cheapest Retailer
-
£2,515 GBP
B
Retailer 2
-
£2,592 GBP
View
B
Retailer 3
-
£2,667 GBP
View
B
Retailer 4
-
£2,669 GBP
View
B
Retailer 5
-
£2,784 GBP
View
B
Retailer 6
-
£3,253 GBP
View
B
Retailer 7
-
£3,262 GBP
View
B
Retailer 8
-
£3,452 GBP
View
B
Retailer 9
-
£3,452 GBP
View
B
Retailer 10
-
£3,564 GBP
View
Most Expensive
B
77 Diamonds
PRIZXFJPPJRQ · Nov 7
£3,805 GBP
View
10 more retailers have this diamond
Prices start from £2,515 GBPSave up to £1,291 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+
1.20ct Princess
£2,515 GBP