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Marquise|Natural|GIA

1.20ct D IF Marquise Natural Diamond

VG • D/IF • GIA 2557490172

Certificate GIA 2557490172

Diamond specifications and retailer prices

From £8,519 GBP
As of November 4, 2026
Save £5,355 GBP (39%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £13,874 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 D colour (colourless) and IF clarity (flawless or internally-flawless), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 2557490172. Listed at 15 retailers as of November 4, 2026, with prices from £8,519 to £13,874, a £5,355 spread on the same certified stone. MOH London lists it at £13,874. 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
D
Colour
IF
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.26°
Pavilion angle37.84°
OriginNatural
Grading LabGIA
CertificateGIA 2557490172
Dimensions11.74 × 5.39 × 3.13 mm
L/W Ratio2.18
Culet sizeNone
Top View
11.74 mm5.39 mm1.20 ctD / IF
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2557490172
Side View
Table 57.0%Crown 34.26°Girdle: STK-VTKPavilion 37.84°Culet: NoneDepth 58.1%

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: £13,874 GBP|Low: £8,168 GBP|High: £14,495 GBP|Avg: £10,349 GBP|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 5, 2026
Retailer 10£8,519 GBP
Retailer 12£9,132 GBP
Retailer 7£9,243 GBP
Retailer 3£9,395 GBP
Retailer 2£9,483 GBP
Retailer 9£9,547 GBP
Retailer 8£9,789 GBP
Retailer 5£10,147 GBP
Retailer 6£10,666 GBP
Retailer 11£10,834 GBP
Retailer 13£10,897 GBP
Retailer 4£12,690 GBP
MOH London£13,874 GBP

24 data points across 13 retailers

15 retailers£8,519 GBP to £13,874 GBP

B+
Cheapest Retailer
-
£8,519 GBP
B+
Retailer 2
-
£9,132 GBP
View
B+
Retailer 3
-
£9,243 GBP
View
B+
Retailer 4
-
£9,395 GBP
View
B+
Retailer 5
-
£9,483 GBP
View
B+
Retailer 6
-
£9,547 GBP
View
Final sale: no returns
B+
Retailer 7
-
£9,789 GBP
View
Retailer 8
-
£9,963 GBP
View
Price last confirmed 33 days ago
B+
Retailer 9
-
£10,147 GBP
View
B+
Retailer 10
-
£10,666 GBP
View
B+
Retailer 11
-
£10,834 GBP
View
B+
Retailer 12
-
£10,897 GBP
View
Retailer 13
-
£12,690 GBP
View
Price last confirmed 9 days ago
Retailer 14
-
£13,495 GBP
View
Price last confirmed 46 days ago
Most Expensive
B
MOH London
4FF3C41A0 · Nov 4
£13,874 GBP
View
14 more retailers have this diamond
Prices start from £8,519 GBPSave up to £5,355 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
£8,519 GBP