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Radiant|Natural|GIA

0.77ct F IF Radiant Natural Diamond

VG • F/IF • GIA 1555601399

Certificate GIA 1555601399

Diamond specifications and retailer prices

From £1,285 GBP
As of November 4, 2026
Save £191 GBP (13%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £1,476 GBP at Blue Nile · As of November 5, 2026
View at Blue Nile

About this 0.77ct natural radiant diamond

This 0.77ct natural radiant sits in the just-under-one-carat band, graded F 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 1555601399. Listed at 3 retailers as of November 4, 2026, with a relatively tight 15% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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

0.77
Carat
F
Colour
IF
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.4°
Pavilion angle56.5°
OriginNatural
Grading LabGIA
CertificateGIA 1555601399
Dimensions6.14 × 4.80 × 3.25 mm
L/W Ratio1.28
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Minor Details of Polish
Top View
6.14 mm4.80 mm0.77 ctF / IF
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1555601399
Side View
Table 68.0%Crown 42.4°Girdle: THN-MEDPavilion 56.5°Culet: NoneDepth 67.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: £1,476 GBP|Low: £1,231 GBP|High: £1,490 GBP|Avg: £1,313 GBP
Blue Nile
Retailer 2
Retailer 3
Retailer 4
November 6, 2026
Retailer 4£1,231 GBP
Retailer 3£1,285 GBP
Retailer 2£1,340 GBP
Blue Nile£1,476 GBP

28 data points across 4 retailers

3 retailers£1,285 GBP to £1,476 GBP

A
Cheapest Retailer
-
£1,285 GBP
A
Retailer 2
-
£1,340 GBP
View
Most Expensive
B+
Blue Nile
29518641 · Nov 5
£1,476 GBP
$1,987 USD
View
2 more retailers have this diamond
Prices start from £1,285 GBPSave up to £191 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.

A
0.77ct Radiant
£1,285 GBP