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Radiant|Natural|GIA

1.00ct D SI2 Radiant Natural Diamond

EX • D/SI2 • GIA 6541701274

Certificate GIA 6541701274

Diamond specifications and retailer prices

From £1,303 GBP
As of November 6, 2026
Save £2,187 GBP (63%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £3,490 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural radiant diamond

This 1ct natural radiant sits in the classic one-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 6541701274. Listed at 14 retailers as of November 5, 2026, with prices from £1,303 to £3,490, a £2,187 spread on the same certified stone. NZ Jewellers lists it at £3,490. 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

1.00
Carat
D
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6541701274
Dimensions6.34 × 4.98 × 3.44 mm
L/W Ratio1.27
Top View
6.34 mm4.98 mm1.00 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6541701274
Side View
Table 64.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 69.1%

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: £3,490 GBP|Low: £1,248 GBP|High: £3,490 GBP|Avg: £1,731 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
Retailer 13
Retailer 14
November 7, 2026
Retailer 4£1,303 GBP
Retailer 6£1,321 GBP
Retailer 7£1,396 GBP
Retailer 8£1,407 GBP
Retailer 12£1,431 GBP
Retailer 14£1,431 GBP
Retailer 13£1,497 GBP
Retailer 2£1,553 GBP
Retailer 3£1,578 GBP
Retailer 5£1,597 GBP
Retailer 11£1,651 GBP
Retailer 9£1,943 GBP
Retailer 10£2,500 GBP
NZ Jewellers£3,490 GBP

31 data points across 14 retailers

14 retailers£1,303 GBP to £3,490 GBP

A
Cheapest Retailer
-
£1,303 GBP
A
Retailer 2
-
£1,321 GBP
View
Final sale: no returns
A
Retailer 3
-
£1,396 GBP
View
A
Retailer 4
-
£1,407 GBP
View
Retailer 5
-
£1,431 GBP
View
Price last confirmed 9 days ago
A
Retailer 6
-
£1,431 GBP
View
A
Retailer 7
-
£1,497 GBP
View
A
Retailer 8
-
£1,553 GBP
View
A
Retailer 9
-
£1,578 GBP
View
A
Retailer 10
-
£1,597 GBP
View
A
Retailer 11
-
£1,651 GBP
View
A
Retailer 12
-
£1,943 GBP
View
B+
Retailer 13
-
£2,500 GBP
View
Most Expensive
B
NZ Jewellers
d9d30923-e709-4534-9288-059b2831e73e · Nov 5
£3,490 GBP
$4,671 USD
View
13 more retailers have this diamond
Prices start from £1,303 GBPSave up to £2,187 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
1.00ct Radiant
£1,303 GBP