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Marquise|Natural|GIA

1.20ct D I1 Marquise Natural Diamond

D/I1

Diamond specifications and retailer prices

From £6,291 GBP
$8,430 USD
As of October 27, 2026
1 retailer carries this diamond
Only listing: £6,291 GBP at Wholesale Diamonds Direct
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Wholesale Diamonds Direct

About this 1.2ct natural marquise diamond

This 1.2ct natural marquise sits in the classic one-carat band, graded D colour (colourless) and I1 clarity (included) and certified by GIA. Listed at a single retailer as of October 27, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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
I1
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
Dimensions11.90 × 5.40 × 3.17 mm
L/W Ratio2.20
Top View
11.90 mm5.40 mm1.20 ctD / I1
OriginNatural
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA
Side View
Table 62.0%CrownGirdle: MediumPavilionCulet: NoneDepth 58.6%

Caratlytics Score

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C
Average
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Price History

Last verified: Oct 27
Current: £5,039 GBP|Low: £4,535 GBP|High: £7,391 GBP|Avg: £5,786 GBP|+7.1%
Retailer 1
Wholesale Diamonds Direct
October 19, 2026
Retailer 1£5,039 GBP
Wholesale Diamonds Direct£6,291 GBP

6 data points across 2 retailers

1 retailer

C
Wholesale Diamonds Direct
218108017 · Oct 27
£6,291 GBP
$8,430 USD
View

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C
1.20ct Marquise
£6,291 GBP