Radiant|Natural|GIA

1.20ct F SI2 Radiant Natural Diamond

ID • F/SI2 • GIA 14

Certificate GIA 14

Diamond specifications and retailer prices

From £2,055 GBP
As of November 4, 2026
Save £2,609 GBP (56%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £4,664 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.2ct natural radiant diamond

This 1.2ct natural radiant sits in the classic one-carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA. Listed at 15 retailers as of November 4, 2026, with prices from £2,055 to £4,664, a £2,609 spread on the same certified stone. NZ Jewellers lists it at £4,664. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.20
Carat
F
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 14
Dimensions6.84 × 5.25 × 3.64 mm
L/W Ratio1.30
Top View
6.84 mm5.25 mm1.20 ctF / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 14
Side View
Table 70.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 69.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: £4,664 GBP|Low: £2,055 GBP|High: £4,664 GBP|Avg: £2,794 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 7, 2026
Retailer 4£2,055 GBP
Retailer 5£2,425 GBP
Retailer 6£2,425 GBP
Retailer 2£2,495 GBP
Retailer 7£2,606 GBP
Retailer 3£2,772 GBP
NZ Jewellers£4,664 GBP

12 data points across 7 retailers

15 retailers£2,055 GBP to £4,664 GBP

A
Cheapest Retailer
-
£2,055 GBP
Retailer 2
-
£2,425 GBP
View
Price last confirmed 37 days ago
Retailer 3
-
£2,425 GBP
View
Price last confirmed 30 days ago
Retailer 4
-
£2,425 GBP
View
Price last confirmed 9 days ago
B+
Retailer 5
-
£2,425 GBP
View
Retailer 6
-
£2,425 GBP
View
Price last confirmed 31 days ago
B+
Retailer 7
-
£2,495 GBP
View
Retailer 8
-
£2,519 GBP
View
Price last confirmed 38 days ago
B+
Retailer 9
-
£2,606 GBP
View
B+
Retailer 10
-
£2,772 GBP
View
Retailer 11
-
£2,799 GBP
View
Price last confirmed 39 days ago
Retailer 12
-
£2,799 GBP
View
Price last confirmed 31 days ago
Retailer 13
-
£4,664 GBP
View
Price last confirmed 38 days ago
Retailer 14
-
£4,664 GBP
View
Price last confirmed 32 days ago
Most Expensive
B
NZ Jewellers
81cf9192-2168-4ea6-b096-b3be56697229 · Nov 5
£4,664 GBP
$6,243 USD
View
14 more retailers have this diamond
Prices start from £2,055 GBPSave up to £2,609 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
1.20ct Radiant
£2,055 GBP