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Radiant|Natural|GIA

1.31ct D SI2 Radiant Natural Diamond

EX • D/SI2 • GIA 1547764993

Certificate GIA 1547764993

Diamond specifications and retailer prices

From £2,809 GBP
As of November 7, 2026
Save £2,556 GBP (48%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £5,365 GBP at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

About this 1.31ct natural radiant diamond

This 1.31ct natural radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded D 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 1547764993. Listed at 8 retailers as of November 3, 2026, with prices from £2,809 to £5,365, a £2,556 spread on the same certified stone. NZ Jewellers lists it at £5,365. 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

1.31
Carat
D
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.44°
Pavilion angle36.04°
OriginNatural
Grading LabGIA
CertificateGIA 1547764993
Dimensions7.15 × 5.51 × 3.76 mm
L/W Ratio1.30
Girdle conditionVery Thick
Key to symbols
Crystal, Cloud, Needle, Feather
Top View
7.15 mm5.51 mm1.31 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1547764993
Side View
Table 66.0%Crown 46.44°Girdle: THK-VTKPavilion 36.04°Culet: NoneDepth 68.2%

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 7
Current: £5,365 GBP|Low: £2,809 GBP|High: £5,446 GBP|Avg: £3,653 GBP|-1.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 7, 2026
Retailer 4£2,809 GBP
Retailer 10£2,842 GBP
Retailer 6£3,044 GBP
Retailer 2£3,080 GBP
Retailer 8£3,080 GBP
Retailer 9£3,186 GBP
Retailer 11£3,325 GBP
Retailer 5£3,473 GBP
Retailer 3£3,731 GBP
Retailer 7£5,150 GBP
NZ Jewellers£5,365 GBP

32 data points across 11 retailers

8 retailers£2,809 GBP to £5,365 GBP

A
Cheapest Retailer
-
£2,809 GBP
A
Retailer 2
-
£3,044 GBP
View
A
Retailer 3
-
£3,080 GBP
View
A
Retailer 4
-
£3,080 GBP
View
A
Retailer 5
-
£3,186 GBP
View
A
Retailer 6
-
£3,473 GBP
View
B+
Retailer 7
-
£5,150 GBP
View
Most Expensive
B
NZ Jewellers
c00a51d0-0187-4d5d-9e2a-ead7f292795e · Nov 3
£5,365 GBP
$7,181 USD
View
7 more retailers have this diamond
Prices start from £2,809 GBPSave up to £2,556 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
1.31ct Radiant
£2,809 GBP