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Marquise|Natural|GIA

1.20ct E SI2 Marquise Natural Diamond

EX • E/SI2 • GIA 2546734734

Certificate GIA 2546734734

Diamond specifications and retailer prices

From £3,313 GBP
As of November 4, 2026
Save £3,874 GBP (54%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £7,187 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.2ct natural marquise diamond

This 1.2ct natural marquise sits in the classic one-carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2546734734. Listed at 18 retailers as of November 4, 2026, with prices from £3,313 to £7,187, a £3,874 spread on the same certified stone. NZ Jewellers lists it at £7,187. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2546734734
Dimensions11.63 × 5.26 × 3.34 mm
L/W Ratio2.21
Top View
11.63 mm5.26 mm1.20 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2546734734
Side View
Table 57.0%CrownGirdle: Very ThickPavilionCulet: NoneDepth 63.4%

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 4
Current: £7,187 GBP|Low: £3,251 GBP|High: £7,267 GBP|Avg: £4,217 GBP|-1.1%
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
Retailer 15
Retailer 16
Retailer 17
November 6, 2026
Retailer 9£3,313 GBP
Retailer 8£3,466 GBP
Retailer 13£3,574 GBP
Retailer 14£3,593 GBP
Retailer 15£3,685 GBP
Retailer 6£3,865 GBP
Retailer 16£3,893 GBP
Retailer 7£3,936 GBP
Retailer 17£4,124 GBP
Retailer 11£4,190 GBP
Retailer 2£4,225 GBP
Retailer 4£4,285 GBP
Retailer 3£4,399 GBP
Retailer 5£4,399 GBP
Retailer 12£4,491 GBP
Retailer 10£4,540 GBP
NZ Jewellers£7,187 GBP

36 data points across 17 retailers

18 retailers£3,313 GBP to £7,187 GBP

B+
Cheapest Retailer
-
£3,313 GBP
B+
Retailer 2
-
£3,466 GBP
View
B+
Retailer 3
-
£3,574 GBP
View
B+
Retailer 4
-
£3,593 GBP
View
Final sale: no returns
B+
Retailer 5
-
£3,685 GBP
View
B
Retailer 6
-
£3,865 GBP
View
B+
Retailer 7
-
£3,893 GBP
View
B+
Retailer 8
-
£3,936 GBP
View
B+
Retailer 9
-
£4,124 GBP
View
B+
Retailer 10
-
£4,190 GBP
View
B+
Retailer 11
-
£4,225 GBP
View
B+
Retailer 12
-
£4,285 GBP
View
B
Retailer 13
-
£4,399 GBP
View
B
Retailer 14
-
£4,399 GBP
View
B
Retailer 15
-
£4,491 GBP
View
B
Retailer 16
-
£4,540 GBP
View
B
Retailer 17
-
£4,542 GBP
View
Most Expensive
B
NZ Jewellers
40d2b708-0666-4130-9e82-bc1b5dafc119 · Nov 5
£7,187 GBP
$9,673 USD
View
17 more retailers have this diamond
Prices start from £3,313 GBPSave up to £3,874 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 Marquise
£3,313 GBP