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Radiant|Natural|GIA

1.01ct D SI1 Radiant Natural Diamond

ID • D/SI1 • GIA 1569025900

Certificate GIA 1569025900

Diamond specifications and retailer prices

From £1,546 GBP
As of November 6, 2026
Save £2,832 GBP (65%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: £4,377 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.01ct natural radiant diamond

This 1.01ct 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 1569025900. Listed at 26 retailers as of November 5, 2026, with prices from £1,546 to £4,377, a £2,832 spread on the same certified stone. NZ Jewellers lists it at £4,377. 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

1.01
Carat
D
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle43.9°
Pavilion angle51.7°
OriginNatural
Grading LabGIA
CertificateGIA 1569025900
Dimensions6.81 × 5.03 × 3.32 mm
L/W Ratio1.35
Girdle conditionPolished
Culet sizeNone
Top View
6.81 mm5.03 mm1.01 ctD / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1569025900
Side View
Table 65.0%Crown 43.9°Girdle: STK-THKPavilion 51.7°Culet: NoneDepth 66.0%

Caratlytics Score

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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 6
Current: £4,377 GBP|Low: £1,532 GBP|High: £4,563 GBP|Avg: £2,229 GBP|-4.1%
NZ Jewellers
Retailer 2
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Retailer 24
Retailer 25
November 7, 2026
Retailer 13£1,546 GBP
Retailer 10£1,587 GBP
Retailer 6£1,671 GBP
Retailer 9£1,713 GBP
Retailer 18£1,748 GBP
Retailer 7£1,751 GBP
Retailer 8£1,789 GBP
Retailer 5£1,879 GBP
Retailer 4£1,897 GBP
Retailer 16£1,978 GBP
Retailer 23£1,984 GBP
Retailer 19£2,031 GBP
Retailer 12£2,062 GBP
Retailer 15£2,174 GBP
Retailer 24£2,174 GBP
Retailer 14£2,188 GBP
Retailer 2£2,216 GBP
Retailer 25£2,249 GBP
Retailer 11£2,387 GBP
Retailer 17£2,445 GBP
Retailer 20£2,448 GBP
Retailer 21£2,555 GBP
Retailer 3£2,564 GBP
Retailer 22£3,659 GBP
NZ Jewellers£4,377 GBP

24 data points across 25 retailers

26 retailers£1,546 GBP to £4,377 GBP

A
Cheapest Retailer
-
£1,546 GBP
A
Retailer 2
-
£1,587 GBP
View
A
Retailer 3
-
£1,671 GBP
View
A
Retailer 4
-
£1,713 GBP
View
Retailer 5
-
£1,748 GBP
View
Price last confirmed 24 days ago
A
Retailer 6
-
£1,751 GBP
View
Final sale: no returns
A
Retailer 7
-
£1,789 GBP
View
A
Retailer 8
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£1,879 GBP
View
A
Retailer 9
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£1,897 GBP
View
Retailer 10
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£1,978 GBP
View
Price last confirmed 26 days ago
A
Retailer 11
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£1,984 GBP
View
A
Retailer 12
-
£2,031 GBP
View
B+
Retailer 13
-
£2,062 GBP
View
B+
Retailer 14
-
£2,174 GBP
View
B+
Retailer 15
-
£2,174 GBP
View
B+
Retailer 16
-
£2,188 GBP
View
B+
Retailer 17
-
£2,216 GBP
View
B+
Retailer 18
-
£2,249 GBP
View
B+
Retailer 19
-
£2,387 GBP
View
Retailer 20
-
£2,445 GBP
View
Price last confirmed 31 days ago
B+
Retailer 21
-
£2,448 GBP
View
Retailer 22
-
£2,536 GBP
View
Price last confirmed 24 days ago
B+
Retailer 23
-
£2,555 GBP
View
B+
Retailer 24
-
£2,564 GBP
View
B
Retailer 25
-
£3,659 GBP
View
Most Expensive
B
NZ Jewellers
233d71bf-5e10-4fda-87f5-913bb4c44a1a · Nov 5
£4,377 GBP
$5,859 USD
View
25 more retailers have this diamond
Prices start from £1,546 GBPSave up to £2,832 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
1.01ct Radiant
£1,546 GBP