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Princess|Natural|GIA

1.20ct L SI1 Princess Natural Diamond

EX • L/SI1 • GIA 2507721419

Certificate GIA 2507721419

Diamond specifications and retailer prices

From £808 GBP
As of November 6, 2026
Save £1,758 GBP (69%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £2,581 GBP at NZ Jewellers · As of October 17, 2026
View at NZ Jewellers

About this 1.2ct natural princess diamond

This 1.2ct natural princess sits in the classic one-carat band, graded L colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2507721419. Listed at 18 retailers as of November 5, 2026, with a 217% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
L
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2507721419
Dimensions5.91 × 5.86 × 4.19 mm
L/W Ratio1.01
Top View
5.91 mm5.86 mm1.20 ctL / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2507721419
Side View
Table 73.0%CrownGirdle: ThickPavilionCulet: NoneDepth 71.6%

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: £2,566 GBP|Low: £808 GBP|High: £2,581 GBP|Avg: £1,196 GBP|-0.6%
NZ Jewellers
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 6, 2026
Retailer 4£808 GBP
Retailer 9£847 GBP
Retailer 6£999 GBP
Retailer 2£1,020 GBP
Retailer 11£1,052 GBP
Retailer 5£1,058 GBP
Retailer 13£1,100 GBP
Retailer 12£1,126 GBP
Retailer 3£1,152 GBP
Retailer 8£1,155 GBP
Retailer 14£1,214 GBP
Retailer 10£1,284 GBP
Retailer 7£1,457 GBP
NZ Jewellers£2,566 GBP

27 data points across 14 retailers

18 retailers£808 GBP to £2,566 GBP

A
Cheapest Retailer
-
£808 GBP
A
Retailer 2
-
£847 GBP
View
B+
Retailer 3
-
£999 GBP
View
B+
Retailer 4
-
£1,020 GBP
View
B+
Retailer 5
-
£1,031 GBP
View
B+
Retailer 6
-
£1,052 GBP
View
Retailer 7
-
£1,058 GBP
View
Price last confirmed 8 days ago
Retailer 8
-
£1,058 GBP
View
Price last confirmed 19 days ago
B+
Retailer 9
-
£1,100 GBP
View
B+
Retailer 10
-
£1,126 GBP
View
B+
Retailer 11
-
£1,152 GBP
View
B+
Retailer 12
-
£1,155 GBP
View
B
Retailer 13
-
£1,177 GBP
View
B
Retailer 14
-
£1,214 GBP
View
B+
Retailer 15
-
£1,284 GBP
View
B
Retailer 16
-
£1,457 GBP
View
B
Retailer 17
-
£2,566 GBP
View
Most Expensive
NZ Jewellers
992d3c94-17b3-4493-bb72-0a8d86e305cb · Oct 17
£2,581 GBP
$3,474 USD
View
Price last confirmed 19 days ago
17 more retailers have this diamond
Prices start from £808 GBPSave up to £1,758 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
£808 GBP