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Radiant|Natural|GIA

1.30ct F SI2 Radiant Natural Diamond

EX • F/SI2 • GIA 6551414723

Certificate GIA 6551414723

Diamond specifications and retailer prices

From £2,491 GBP
As of November 2, 2026
Save £1,899 GBP (43%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £4,390 GBP at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

About this 1.3ct natural radiant diamond

This 1.3ct natural radiant sits in the one-and-a-quarter to one-and-a-half 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 6551414723. Listed at 6 retailers as of November 2, 2026, with prices from £2,491 to £4,390, a £1,899 spread on the same certified stone. NZ Jewellers lists it at £4,390. 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

1.30
Carat
F
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceStrong
Crown angle49.67°
Pavilion angle36.7°
OriginNatural
Grading LabGIA
CertificateGIA 6551414723
Dimensions7.18 × 5.51 × 3.73 mm
L/W Ratio1.30
Girdle conditionVery Thick
Key to symbols
Twinning Wisp, Feather
Top View
7.18 mm5.51 mm1.30 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceStrong
CertificateGIA 6551414723
Side View
Table 70.0%Crown 49.67°Girdle: THK-VTKPavilion 36.7°Culet: NoneDepth 67.7%

Caratlytics Score

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

Price History

Last verified: Nov 2
Current: £4,390 GBP|Low: £2,490 GBP|High: £4,433 GBP|Avg: £3,151 GBP|-1.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 7, 2026
Retailer 4£2,491 GBP
Retailer 5£2,519 GBP
Retailer 3£2,604 GBP
Retailer 6£2,631 GBP
Retailer 7£2,922 GBP
Retailer 2£4,170 GBP
NZ Jewellers£4,390 GBP

30 data points across 7 retailers

6 retailers£2,491 GBP to £4,390 GBP

A
Cheapest Retailer
-
£2,491 GBP
A
Retailer 2
-
£2,519 GBP
View
A
Retailer 3
-
£2,604 GBP
View
A
Retailer 4
-
£2,631 GBP
View
B
Retailer 5
-
£4,170 GBP
View
Most Expensive
B
NZ Jewellers
7d059db2-dd94-43ab-8a47-6ab0e543c55d · Nov 3
£4,390 GBP
$5,876 USD
View
5 more retailers have this diamond
Prices start from £2,491 GBPSave up to £1,899 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
1.30ct Radiant
£2,491 GBP