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Marquise|Natural|GIA

1.20ct E SI1 Marquise Natural Diamond

VG • E/SI1 • GIA 2233837111

Certificate GIA 2233837111

Diamond specifications and retailer prices

From £4,096 GBP
As of November 4, 2026
Save £3,521 GBP (46%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £7,617 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 1.2ct natural marquise diamond

This 1.2ct natural marquise sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 2233837111. Listed at 21 retailers as of November 4, 2026, with prices from £4,096 to £7,617, a £3,521 spread on the same certified stone. MOH London lists it at £7,617. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.20
Carat
E
Colour
SI1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle39.77°
Pavilion angle40.77°
OriginNatural
Grading LabGIA
CertificateGIA 2233837111
Dimensions10.16 × 5.48 × 3.53 mm
L/W Ratio1.85
Culet sizeNone
Top View
10.16 mm5.48 mm1.20 ctE / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2233837111
Side View
Table 62.0%Crown 39.77°Girdle: MED-VTKPavilion 40.77°Culet: NoneDepth 64.4%

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: £7,617 GBP|Low: £4,096 GBP|High: £8,012 GBP|Avg: £5,403 GBP|-1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
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Retailer 11
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Retailer 21
November 6, 2026
Retailer 11£4,096 GBP
Retailer 7£4,102 GBP
Retailer 16£4,369 GBP
Retailer 8£4,371 GBP
Retailer 21£4,627 GBP
Retailer 17£4,645 GBP
Retailer 5£4,696 GBP
Retailer 12£4,696 GBP
Retailer 19£4,696 GBP
Retailer 2£4,922 GBP
Retailer 9£4,938 GBP
Retailer 3£5,223 GBP
Retailer 18£5,223 GBP
Retailer 14£5,309 GBP
Retailer 20£5,402 GBP
Retailer 4£5,486 GBP
Retailer 15£5,662 GBP
Retailer 10£5,714 GBP
Retailer 13£6,324 GBP
Retailer 6£7,590 GBP
MOH London£7,617 GBP

38 data points across 21 retailers

21 retailers£4,096 GBP to £7,617 GBP

B+
Cheapest Retailer
-
£4,096 GBP
B+
Retailer 2
-
£4,102 GBP
View
B+
Retailer 3
-
£4,369 GBP
View
B+
Retailer 4
-
£4,371 GBP
View
B
Retailer 5
-
£4,627 GBP
View
B
Retailer 6
-
£4,645 GBP
View
B
Retailer 7
-
£4,696 GBP
View
Retailer 8
-
£4,696 GBP
View
Price last confirmed 8 days ago
B
Retailer 9
-
£4,696 GBP
View
B
Retailer 10
-
£4,922 GBP
View
B
Retailer 11
-
£4,938 GBP
View
B
Retailer 12
-
£5,223 GBP
View
B
Retailer 13
-
£5,223 GBP
View
Retailer 14
-
£5,309 GBP
View
Price last confirmed 15 days ago
B
Retailer 15
-
£5,402 GBP
View
B
Retailer 16
-
£5,486 GBP
View
B
Retailer 17
-
£5,662 GBP
View
Retailer 18
-
£5,714 GBP
View
Price last confirmed 14 days ago
B
Retailer 19
-
£6,324 GBP
View
B
Retailer 20
-
£7,590 GBP
View
Most Expensive
B
MOH London
DC8B36635 · Nov 4
£7,617 GBP
View
20 more retailers have this diamond
Prices start from £4,096 GBPSave up to £3,521 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
£4,096 GBP