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Princess|Natural|GIA

1.20ct E SI1 Princess Natural Diamond

EX • E/SI1 • GIA 6562490856

Certificate GIA 6562490856

Diamond specifications and retailer prices

From £2,092 GBP
As of November 4, 2026
Save £1,887 GBP (47%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £3,979 GBP at Helzberg Diamonds · As of November 6, 2026
View at Helzberg Diamonds

About this 1.2ct natural princess diamond

This 1.2ct natural princess sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6562490856. Listed at 15 retailers as of November 4, 2026, with prices from £2,092 to £3,979, a £1,887 spread on the same certified stone. Helzberg Diamonds lists it at £3,979. 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
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle28.65°
Pavilion angle38.45°
OriginNatural
Grading LabGIA
CertificateGIA 6562490856
Dimensions5.75 × 5.69 × 4.18 mm
L/W Ratio1.01
Culet sizeNone
Top View
5.75 mm5.69 mm1.20 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6562490856
Side View
Table 72.0%Crown 28.65°Girdle: STK-THKPavilion 38.45°Culet: NDepth 73.5%

Caratlytics Score

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

Price History

Last verified: Nov 4
Current: £3,979 GBP|Low: £2,092 GBP|High: £3,979 GBP|Avg: £2,774 GBP
Helzberg Diamonds
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
Retailer 15
November 6, 2026
Retailer 6£2,092 GBP
Retailer 9£2,143 GBP
Retailer 11£2,245 GBP
Retailer 15£2,256 GBP
Retailer 4£2,261 GBP
Retailer 12£2,288 GBP
Retailer 8£2,441 GBP
Retailer 5£2,520 GBP
Retailer 14£2,687 GBP
Retailer 7£2,748 GBP
Retailer 2£2,782 GBP
Retailer 10£3,265 GBP
Retailer 3£3,528 GBP
Retailer 13£3,795 GBP
Helzberg Diamonds£3,979 GBP

31 data points across 15 retailers

15 retailers£2,092 GBP to £3,979 GBP

B+
Cheapest Retailer
-
£2,092 GBP
B+
Retailer 2
-
£2,143 GBP
View
B+
Retailer 3
-
£2,245 GBP
View
B+
Retailer 4
-
£2,256 GBP
View
B+
Retailer 5
-
£2,261 GBP
View
B+
Retailer 6
-
£2,288 GBP
View
B+
Retailer 7
-
£2,441 GBP
View
B+
Retailer 8
-
£2,520 GBP
View
B+
Retailer 9
-
£2,687 GBP
View
B+
Retailer 10
-
£2,748 GBP
View
B+
Retailer 11
-
£2,782 GBP
View
B
Retailer 12
-
£3,265 GBP
View
B
Retailer 13
-
£3,528 GBP
View
B
Retailer 14
-
£3,795 GBP
View
Most Expensive
B
Helzberg Diamonds
XZRMLMIKPGOLM · Nov 6
£3,979 GBP
$5,355 USD
View
14 more retailers have this diamond
Prices start from £2,092 GBPSave up to £1,887 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
£2,092 GBP