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Radiant|Natural|GIA

1.03ct F I1 Radiant Natural Diamond

ID • F/I1 • GIA 1287981920

Certificate GIA 1287981920

Diamond specifications and retailer prices

From £1,247 GBP
$1,674 USD
As of November 2, 2026
Save £911 GBP (42%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £2,158 GBP at Yorxs · As of November 2, 2026
View at Yorxs

About this 1.03ct natural radiant diamond

This 1.03ct natural radiant sits in the classic one-carat band, graded F colour (colourless) and I1 clarity (included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1287981920. Listed at 7 retailers as of November 2, 2026, with prices from £1,247 to £2,158, a £911 spread on the same certified stone. Yorxs lists it at £2,158. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
F
Colour
I1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1287981920
Dimensions5.63 × 5.42 × 3.71 mm
L/W Ratio1.04
Culet sizeNone
Top View
5.63 mm5.42 mm1.03 ctF / I1
OriginNatural
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 1287981920
Side View
Table 69.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 68.6%

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 2
Current: £1,581 GBP|Low: £1,247 GBP|High: £2,160 GBP|Avg: £1,610 GBP
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Yorxs
November 2, 2026
Retailer 3£1,247 GBP
Retailer 8£1,428 GBP
Retailer 2£1,487 GBP
Retailer 5£1,505 GBP
Retailer 6£1,505 GBP
Retailer 7£1,557 GBP
Retailer 1£1,581 GBP
Retailer 9£1,753 GBP
Retailer 4£1,881 GBP
Yorxs£2,158 GBP

15 data points across 10 retailers

7 retailers£1,247 GBP to £2,158 GBP

A
Cheapest Retailer
-
£1,247 GBP
$1,674 USD
B+
Retailer 2
-
£1,428 GBP
$1,916 USD
View
B+
Retailer 3
-
£1,505 GBP
$2,020 USD
View
B+
Retailer 4
-
£1,505 GBP
$2,020 USD
View
B+
Retailer 5
-
£1,557 GBP
$2,090 USD
View
B+
Retailer 6
-
£1,581 GBP
$2,121 USD
View
Most Expensive
B
Yorxs
A9377E6C3 · Nov 2
£2,158 GBP
€2,758 EUR
View
6 more retailers have this diamond
Prices start from £1,247 GBPSave up to £911 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
1.03ct Radiant
£1,247 GBP