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Radiant|Natural|GIA

1.25ct G SI1 Radiant Natural Diamond

EX • G/SI1 • GIA 6562305044

Certificate GIA 6562305044

Diamond specifications and retailer prices

From £2,858 GBP
As of November 6, 2026
Save £2,608 GBP (48%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £5,466 GBP at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

About this 1.25ct natural radiant diamond

This 1.25ct natural radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6562305044. Listed at 8 retailers as of November 3, 2026, with prices from £2,858 to £5,466, a £2,608 spread on the same certified stone. NZ Jewellers lists it at £5,466. 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

1.25
Carat
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle49.53°
Pavilion angle35.73°
OriginNatural
Grading LabGIA
CertificateGIA 6562305044
Dimensions7.21 × 5.40 × 3.62 mm
L/W Ratio1.34
Girdle conditionThick
Key to symbols
Crystal, Feather, Pinpoint
Top View
7.21 mm5.40 mm1.25 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6562305044
Side View
Table 71.0%Crown 49.53°GirdlePavilion 35.73°Culet: NoneDepth 67.0%

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 6
Current: £5,466 GBP|Low: £2,858 GBP|High: £5,466 GBP|Avg: £3,745 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 7, 2026
Retailer 8£2,858 GBP
Retailer 3£3,060 GBP
Retailer 6£3,137 GBP
Retailer 2£3,138 GBP
Retailer 5£3,138 GBP
Retailer 7£3,363 GBP
Retailer 4£5,247 GBP
NZ Jewellers£5,466 GBP

32 data points across 8 retailers

8 retailers£2,858 GBP to £5,466 GBP

A
Cheapest Retailer
-
£2,858 GBP
A
Retailer 2
-
£3,060 GBP
View
A
Retailer 3
-
£3,137 GBP
View
B+
Retailer 4
-
£3,138 GBP
View
B+
Retailer 5
-
£3,138 GBP
View
Retailer 6
-
£3,363 GBP
View
Price last confirmed 34 days ago
B
Retailer 7
-
£5,247 GBP
View
Most Expensive
B
NZ Jewellers
15c8cc81-2456-4590-bb2e-d54884a047cb · Nov 3
£5,466 GBP
$7,316 USD
View
7 more retailers have this diamond
Prices start from £2,858 GBPSave up to £2,608 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
1.25ct Radiant
£2,858 GBP