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Marquise|Natural|GIA

0.78ct F I1 Marquise Natural Diamond

F/I1 • GIA 5231805415

Certificate GIA 5231805415

Diamond specifications and retailer prices

From £805 GBP
$1,080 USD
As of November 2, 2026
Save £205 GBP (20%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £1,009 GBP at Yorxs · As of November 2, 2026
View at Yorxs

About this 0.78ct natural marquise diamond

This 0.78ct natural marquise sits in the just-under-one-carat band, graded F colour (colourless) and I1 clarity (included) and certified by GIA 5231805415. Listed at 4 retailers as of November 2, 2026, with prices from £805 to £1,009, a £205 spread on the same certified stone. Yorxs lists it at £1,009. 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

0.78
Carat
F
Colour
I1
Clarity
-
Cut

Specifications

Cut
PolishGood
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5231805415
Dimensions8.88 × 4.62 × 3.05 mm
L/W Ratio1.92
Top View
8.88 mm4.62 mm0.78 ctF / I1
OriginNatural
PolishGood
SymmetryGood
FluorescenceNone
CertificateGIA 5231805415
Side View
Table 56.0%CrownGirdle: THK-VTKPavilionCulet: MediumDepth 66.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: £827 GBP|Low: £805 GBP|High: £1,010 GBP|Avg: £859 GBP
Retailer 1
Retailer 2
Retailer 3
Yorxs
November 2, 2026
Retailer 2£805 GBP
Retailer 3£805 GBP
Retailer 1£827 GBP
Yorxs£1,009 GBP

9 data points across 4 retailers

4 retailers£805 GBP to £1,009 GBP

B+
Cheapest Retailer
-
£805 GBP
$1,080 USD
B+
Retailer 2
-
£805 GBP
$1,080 USD
View
B+
Retailer 3
-
£827 GBP
$1,110 USD
View
Most Expensive
B+
Yorxs
C94F0B860 · Nov 2
£1,009 GBP
€1,290 EUR
View
3 more retailers have this diamond
Prices start from £805 GBPSave up to £205 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+
0.78ct Marquise
£805 GBP