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Round|Natural|GIA

1.42ct F IF Round Natural Diamond

EX • F/IF • GIA 6431706299

Certificate GIA 6431706299

Diamond specifications and retailer prices

From £8,198 GBP
As of November 4, 2026
Save £10,930 GBP (57%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £19,128 GBP at Diamond Quarter · As of November 5, 2026
View at Diamond Quarter

About this 1.42ct natural round diamond

This 1.42ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 6431706299. Listed at 12 retailers as of November 4, 2026, with prices from £8,198 to £19,128, a £10,930 spread on the same certified stone. Diamond Quarter lists it at £19,128. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.42
Carat
F
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle31.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6431706299
Dimensions7.24 × 7.28 × 4.39 mm
L/W Ratio1.01
Top View
7.24 mm7.28 mm1.42 ctF / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6431706299
Side View
Table 59.0%Crown 31.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 60.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £8,456 GBP|Low: £8,021 GBP|High: £12,529 GBP|Avg: £9,441 GBP|-1.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 6£8,198 GBP
Retailer 2£8,439 GBP
Retailer 1£8,456 GBP
Retailer 5£8,750 GBP
Retailer 7£8,750 GBP
Retailer 8£9,534 GBP
Retailer 3£9,910 GBP
Retailer 4£12,346 GBP

22 data points across 8 retailers

12 retailers£8,198 GBP to £19,128 GBP

A
Cheapest Retailer
-
£8,198 GBP
A
Retailer 2
-
£8,439 GBP
View
A
Retailer 3
-
£8,456 GBP
View
B+
Retailer 4
-
£8,750 GBP
View
Final sale: no returns
Retailer 5
-
£9,479 GBP
View
Price last confirmed 29 days ago
B+
Retailer 6
-
£9,534 GBP
View
Retailer 7
-
£9,625 GBP
View
Price last confirmed 38 days ago
B+
Retailer 8
-
£9,910 GBP
View
Retailer 9
-
£10,938 GBP
View
Price last confirmed 38 days ago
B+
Retailer 10
-
£12,346 GBP
View
Retailer 11
-
£13,212 GBP
View
Price last confirmed 39 days ago
Most Expensive
B
Diamond Quarter
1.42IFF64998E50N · Nov 5
£19,128 GBP
View
11 more retailers have this diamond
Prices start from £8,198 GBPSave up to £10,930 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
1.42ct Round
£8,198 GBP