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Radiant|Natural|GIA

1.25ct D SI2 Radiant Natural Diamond

EX • D/SI2 • GIA 2546935405

Certificate GIA 2546935405

Diamond specifications and retailer prices

From £2,550 GBP
As of November 6, 2026
Save £2,730 GBP (52%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £5,280 GBP at MOH London · As of November 4, 2026
View at MOH London

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 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 2546935405. Listed at 11 retailers as of November 4, 2026, with prices from £2,550 to £5,280, a £2,730 spread on the same certified stone. MOH London lists it at £5,280. 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
D
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2546935405
Dimensions7.21 × 5.35 × 3.60 mm
L/W Ratio1.35
Top View
7.21 mm5.35 mm1.25 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2546935405
Side View
Table 66.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 67.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: £5,280 GBP|Low: £2,550 GBP|High: £5,323 GBP|Avg: £3,293 GBP|-0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 7, 2026
Retailer 8£2,550 GBP
Retailer 4£2,557 GBP
Retailer 5£2,619 GBP
Retailer 9£2,668 GBP
Retailer 3£2,953 GBP
Retailer 7£3,151 GBP
Retailer 11£3,340 GBP
Retailer 12£3,340 GBP
Retailer 2£3,367 GBP
Retailer 13£3,452 GBP
Retailer 6£3,705 GBP
Retailer 10£3,760 GBP
MOH London£5,280 GBP

25 data points across 13 retailers

11 retailers£2,550 GBP to £5,280 GBP

A
Cheapest Retailer
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£2,550 GBP
A
Retailer 2
-
£2,557 GBP
View
A
Retailer 3
-
£2,619 GBP
View
A
Retailer 4
-
£3,151 GBP
View
A
Retailer 5
-
£3,340 GBP
View
A
Retailer 6
-
£3,340 GBP
View
A
Retailer 7
-
£3,367 GBP
View
A
Retailer 8
-
£3,452 GBP
View
A
Retailer 9
-
£3,705 GBP
View
Retailer 10
-
£3,760 GBP
View
Price last confirmed 15 days ago
Most Expensive
B+
MOH London
F65523EFA · Nov 4
£5,280 GBP
View
10 more retailers have this diamond
Prices start from £2,550 GBPSave up to £2,730 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
£2,550 GBP