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Radiant|Natural|GIA

1.04ct D SI1 Radiant Natural Diamond

EX • D/SI1 • GIA 2506379855

Certificate GIA 2506379855

Diamond specifications and retailer prices

From £2,763 GBP
As of November 6, 2026
Save £3,333 GBP (55%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £6,096 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.04ct natural radiant diamond

This 1.04ct natural radiant sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2506379855. Listed at 14 retailers as of November 5, 2026, with prices from £2,763 to £6,096, a £3,333 spread on the same certified stone. NZ Jewellers lists it at £6,096. 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

1.04
Carat
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2506379855
Dimensions7.38 × 5.11 × 3.18 mm
L/W Ratio1.44
Top View
7.38 mm5.11 mm1.04 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2506379855
Side View
Table 66.0%CrownGirdle: ThickPavilionCulet: NoneDepth 62.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £3,478 GBP|Low: £2,635 GBP|High: £5,639 GBP|Avg: £3,586 GBP|-12.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 7, 2026
Retailer 7£2,763 GBP
Retailer 5£2,926 GBP
Retailer 6£3,170 GBP
Retailer 2£3,394 GBP
Retailer 1£3,478 GBP
Retailer 3£3,937 GBP
Retailer 4£5,557 GBP

45 data points across 7 retailers

14 retailers£2,763 GBP to £6,096 GBP

B+
Cheapest Retailer
-
£2,763 GBP
B+
Retailer 2
-
£2,817 GBP
View
B+
Retailer 3
-
£2,909 GBP
View
B+
Retailer 4
-
£2,923 GBP
View
B+
Retailer 5
-
£2,926 GBP
View
Final sale: no returns
B+
Retailer 6
-
£3,170 GBP
View
B+
Retailer 7
-
£3,170 GBP
View
B+
Retailer 8
-
£3,394 GBP
View
B+
Retailer 9
-
£3,478 GBP
View
B
Retailer 10
-
£3,657 GBP
View
B
Retailer 11
-
£3,677 GBP
View
B
Retailer 12
-
£3,937 GBP
View
B
Retailer 13
-
£5,557 GBP
View
Most Expensive
B
NZ Jewellers
5f7b234c-c8c8-4592-bfb7-20c7b5cc415d · Nov 5
£6,096 GBP
$8,159 USD
View
13 more retailers have this diamond
Prices start from £2,763 GBPSave up to £3,333 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.

B+
1.04ct Radiant
£2,763 GBP