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Radiant|Natural|GIA

1.31ct H SI2 Radiant Natural Diamond

EX • H/SI2 • GIA 2544588737

Certificate GIA 2544588737

Diamond specifications and retailer prices

From £2,438 GBP
As of November 5, 2026
Save £2,952 GBP (55%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £5,390 GBP at NZ Jewellers · As of November 5, 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2544588737. Listed at 18 retailers as of November 5, 2026, with prices from £2,438 to £5,390, a £2,952 spread on the same certified stone. NZ Jewellers lists it at £5,390. 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

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

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle49.31°
Pavilion angle36.19°
OriginNatural
Grading LabGIA
CertificateGIA 2544588737
Dimensions7.17 × 5.49 × 3.76 mm
L/W Ratio1.31
Top View
7.17 mm5.49 mm1.31 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 2544588737
Side View
Table 70.0%Crown 49.31°Girdle: Very ThickPavilion 36.19°Culet: NoneDepth 68.5%

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 5
Current: £5,390 GBP|Low: £2,371 GBP|High: £5,390 GBP|Avg: £3,325 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 7, 2026
Retailer 4£2,438 GBP
Retailer 11£2,488 GBP
Retailer 6£2,563 GBP
Retailer 10£2,632 GBP
Retailer 3£2,802 GBP
Retailer 12£2,802 GBP
Retailer 2£2,882 GBP
Retailer 5£3,133 GBP
Retailer 8£3,203 GBP
Retailer 7£3,448 GBP
Retailer 9£5,160 GBP
NZ Jewellers£5,390 GBP

44 data points across 12 retailers

18 retailers£2,438 GBP to £5,390 GBP

A
Cheapest Retailer
-
£2,438 GBP
A
Retailer 2
-
£2,488 GBP
View
A
Retailer 3
-
£2,563 GBP
View
Final sale: no returns
A
Retailer 4
-
£2,632 GBP
View
B+
Retailer 5
-
£2,801 GBP
View
Retailer 6
-
£2,802 GBP
View
Price last confirmed 9 days ago
B+
Retailer 7
-
£2,802 GBP
View
B+
Retailer 8
-
£2,882 GBP
View
B+
Retailer 9
-
£3,123 GBP
View
B+
Retailer 10
-
£3,123 GBP
View
B+
Retailer 11
-
£3,133 GBP
View
B+
Retailer 12
-
£3,203 GBP
View
B+
Retailer 13
-
£3,228 GBP
View
Retailer 14
-
£3,282 GBP
View
Price last confirmed 67 days ago
B+
Retailer 15
-
£3,448 GBP
View
Retailer 16
-
£3,502 GBP
View
Price last confirmed 15 days ago
B
Retailer 17
-
£5,160 GBP
View
Most Expensive
B
NZ Jewellers
b9eb24aa-7039-43d7-9d76-b567ec79879d · Nov 5
£5,390 GBP
$7,214 USD
View
17 more retailers have this diamond
Prices start from £2,438 GBPSave up to £2,952 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
£2,438 GBP