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Radiant|Natural|GIA

1.01ct H SI1 Radiant Natural Diamond

ID • H/SI1 • GIA 1549331965

Certificate GIA 1549331965

Diamond specifications and retailer prices

From £1,328 GBP
As of November 6, 2026
Save £2,236 GBP (63%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £3,564 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1549331965. Listed at 23 retailers as of November 5, 2026, with prices from £1,328 to £3,564, a £2,236 spread on the same certified stone. NZ Jewellers lists it at £3,564. 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
H
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47.14°
Pavilion angle64.4°
OriginNatural
Grading LabGIA
CertificateGIA 1549331965
Dimensions6.81 × 5.06 × 3.52 mm
L/W Ratio1.35
Cert comments
Additional clouds are not shown. Pinpoints are not shown.
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
6.81 mm5.06 mm1.01 ctH / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1549331965
Side View
Table 68.0%Crown 47.14°Girdle: MED-STKPavilion 64.4°Culet: NoneDepth 69.7%

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: £1,852 GBP|Low: £1,328 GBP|High: £3,003 GBP|Avg: £1,910 GBP|+1.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 7, 2026
Retailer 2£1,328 GBP
Retailer 9£1,329 GBP
Retailer 3£1,653 GBP
Retailer 8£1,724 GBP
Retailer 4£1,848 GBP
Retailer 1£1,852 GBP
Retailer 6£2,081 GBP
Retailer 5£2,116 GBP
Retailer 7£2,979 GBP

26 data points across 9 retailers

23 retailers£1,328 GBP to £3,564 GBP

A
Cheapest Retailer
-
£1,328 GBP
A
Retailer 2
-
£1,329 GBP
View
A
Retailer 3
-
£1,495 GBP
View
B+
Retailer 4
-
£1,540 GBP
View
B+
Retailer 5
-
£1,573 GBP
View
Final sale: no returns
B+
Retailer 6
-
£1,653 GBP
View
Retailer 7
-
£1,705 GBP
View
Price last confirmed 9 days ago
B+
Retailer 8
-
£1,705 GBP
View
B+
Retailer 9
-
£1,707 GBP
View
B+
Retailer 10
-
£1,724 GBP
View
B+
Retailer 11
-
£1,783 GBP
View
B+
Retailer 12
-
£1,793 GBP
View
B+
Retailer 13
-
£1,809 GBP
View
B+
Retailer 14
-
£1,848 GBP
View
B+
Retailer 15
-
£1,852 GBP
View
B+
Retailer 16
-
£1,880 GBP
View
B+
Retailer 17
-
£1,967 GBP
View
B+
Retailer 18
-
£2,081 GBP
View
Retailer 19
-
£2,099 GBP
View
Price last confirmed 31 days ago
B+
Retailer 20
-
£2,116 GBP
View
B
Retailer 21
-
£2,500 GBP
View
B
Retailer 22
-
£2,979 GBP
View
Most Expensive
B
NZ Jewellers
4810c1eb-2a47-4d32-9017-6859eba542cd · Nov 5
£3,564 GBP
$4,771 USD
View
22 more retailers have this diamond
Prices start from £1,328 GBPSave up to £2,236 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
£1,328 GBP