CaratHunter
Plans
Radiant|Natural|GIA

1.30ct F SI1 Radiant Natural Diamond

EX • F/SI1 • GIA 2245055745

Certificate GIA 2245055745

Diamond specifications and retailer prices

From £2,716 GBP
As of November 6, 2026
Save £3,731 GBP (58%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £6,447 GBP at NZ Jewellers · As of November 5, 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2245055745. Listed at 8 retailers as of November 5, 2026, with prices from £2,716 to £6,447, a £3,731 spread on the same certified stone. NZ Jewellers lists it at £6,447. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryExcellent
FluorescenceFaint
Pavilion angle60.68°
OriginNatural
Grading LabGIA
CertificateGIA 2245055745
Dimensions7.14 × 5.51 × 3.83 mm
L/W Ratio1.30
Key to symbols
Crystal, Needle, Cloud
Top View
7.14 mm5.51 mm1.30 ctF / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2245055745
Side View
Table 66.0%CrownGirdle: STK-THKPavilion 60.68°Culet: NoneDepth 69.5%

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 6
Current: £6,447 GBP|Low: £2,716 GBP|High: £6,550 GBP|Avg: £4,297 GBP|-1.4%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 7, 2026
Retailer 6£2,716 GBP
Retailer 4£3,452 GBP
Retailer 3£3,589 GBP
Retailer 5£3,700 GBP
Retailer 7£3,700 GBP
Retailer 8£3,925 GBP
Retailer 2£5,862 GBP
NZ Jewellers£6,447 GBP

45 data points across 8 retailers

8 retailers£2,716 GBP to £6,447 GBP

A
Cheapest Retailer
-
£2,716 GBP
B+
Retailer 2
-
£3,452 GBP
View
B+
Retailer 3
-
£3,589 GBP
View
B+
Retailer 4
-
£3,700 GBP
View
B+
Retailer 5
-
£3,700 GBP
View
B+
Retailer 6
-
£3,925 GBP
View
B
Retailer 7
-
£5,862 GBP
View
Most Expensive
B
NZ Jewellers
dccf0359-6b44-4101-a283-4ab68cfd0063 · Nov 5
£6,447 GBP
$8,629 USD
View
7 more retailers have this diamond
Prices start from £2,716 GBPSave up to £3,731 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
£2,716 GBP