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Radiant|Natural|GIA

1.01ct H SI1 Radiant Natural Diamond

EX • H/SI1 • GIA 6555573190

Certificate GIA 6555573190

Diamond specifications and retailer prices

From £1,314 GBP
$1,760 USD
As of November 1, 2026
Save £2,340 GBP (64%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £3,654 GBP at NZ Jewellers · As of October 30, 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 6555573190. Listed at 19 retailers as of October 30, 2026, with prices from £1,314 to £3,654, a £2,340 spread on the same certified stone. NZ Jewellers lists it at £3,654. 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
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6555573190
Dimensions6.75 × 5.03 × 3.46 mm
L/W Ratio1.34
Culet sizeNone
Key to symbols
Crystal, Feather, Needle
Top View
6.75 mm5.03 mm1.01 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6555573190
Side View
Table 65.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 68.7%

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 1
Current: £3,654 GBP|Low: £1,314 GBP|High: £3,654 GBP|Avg: £1,790 GBP|+7.8%
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 2, 2026
Retailer 8£1,314 GBP
Retailer 5£1,353 GBP
Retailer 9£1,383 GBP
Retailer 4£1,437 GBP
Retailer 2£1,461 GBP
Retailer 3£1,498 GBP
Retailer 16£1,498 GBP
Retailer 17£1,526 GBP
Retailer 18£1,567 GBP
Retailer 15£1,601 GBP
Retailer 11£1,643 GBP
Retailer 7£1,652 GBP
Retailer 10£1,729 GBP
Retailer 6£1,772 GBP
Retailer 13£1,841 GBP
Retailer 14£2,046 GBP
Retailer 12£2,625 GBP
NZ Jewellers£3,654 GBP

19 data points across 18 retailers

19 retailers£1,314 GBP to £3,654 GBP

A
Cheapest Retailer
-
£1,314 GBP
$1,760 USD
A
Retailer 2
-
£1,353 GBP
$1,813 USD
View
A
Retailer 3
-
£1,383 GBP
$1,853 USD
View
Final sale: no returns
A
Retailer 4
-
£1,437 GBP
$1,926 USD
View
A
Retailer 5
-
£1,461 GBP
View
A
Retailer 6
-
£1,498 GBP
$2,007 USD
View
A
Retailer 7
-
£1,498 GBP
$2,007 USD
View
A
Retailer 8
-
£1,526 GBP
$2,045 USD
View
A
Retailer 9
-
£1,567 GBP
$2,100 USD
View
B+
Retailer 10
-
£1,601 GBP
$2,145 USD
View
B+
Retailer 11
-
£1,643 GBP
View
B+
Retailer 12
-
£1,652 GBP
View
B+
Retailer 13
-
£1,729 GBP
$2,316 USD
View
B+
Retailer 14
-
£1,772 GBP
$2,375 USD
View
B+
Retailer 15
-
£1,841 GBP
ZAR 39,858 ZAR
View
Retailer 16
-
£1,994 GBP
A$4,109 AUD
View
Price last confirmed 26 days ago
B
Retailer 17
-
£2,046 GBP
€2,611 EUR
View
B
Retailer 18
-
£2,625 GBP
View
Most Expensive
B
NZ Jewellers
8130e2a7-cf27-47dc-8e4b-931dfee45876 · Oct 30
£3,654 GBP
$4,896 USD
View
18 more retailers have this diamond
Prices start from £1,314 GBPSave up to £2,340 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
£1,314 GBP