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Round|Natural|GIA

1.01ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 3565441455

Certificate GIA 3565441455

Diamond specifications and retailer prices

From £1,522 GBP
As of November 6, 2026
Save £2,707 GBP (64%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £4,228 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.01ct natural round diamond

This 1.01ct natural round sits in the classic one-carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 3565441455. Listed at 23 retailers as of November 5, 2026, with prices from £1,522 to £4,228, a £2,707 spread on the same certified stone. NZ Jewellers lists it at £4,228. 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

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 3565441455
Dimensions6.44 × 6.47 × 3.95 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Twinning Wisp, Crystal, Cloud
Top View
6.44 mm6.47 mm1.01 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3565441455
Side View
Table 61.0%Crown 33°Girdle: MED-STKPavilion 41.8°Culet: NoneDepth 61.2%

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: £4,228 GBP|Low: £1,522 GBP|High: £4,228 GBP|Avg: £2,481 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
Retailer 15
Retailer 16
November 6, 2026
Retailer 16£1,522 GBP
Retailer 2£1,583 GBP
Retailer 14£1,774 GBP
Retailer 8£1,887 GBP
Retailer 9£1,935 GBP
Retailer 5£2,022 GBP
Retailer 6£2,022 GBP
Retailer 7£2,100 GBP
Retailer 10£2,115 GBP
Retailer 11£2,128 GBP
Retailer 4£2,334 GBP
Retailer 13£2,468 GBP
Retailer 12£2,505 GBP
Retailer 15£3,534 GBP
Retailer 3£3,661 GBP
NZ Jewellers£4,228 GBP

23 data points across 16 retailers

23 retailers£1,522 GBP to £4,228 GBP

A
Cheapest Retailer
-
£1,522 GBP
A
Retailer 2
-
£1,583 GBP
View
A
Retailer 3
-
£1,774 GBP
View
Retailer 4
-
£1,861 GBP
View
Price last confirmed 16 days ago
B+
Retailer 5
-
£1,866 GBP
View
Final sale: no returns
B+
Retailer 6
-
£1,872 GBP
View
B+
Retailer 7
-
£1,878 GBP
View
B+
Retailer 8
-
£1,884 GBP
View
B+
Retailer 9
-
£1,887 GBP
View
B+
Retailer 10
-
£1,935 GBP
View
B+
Retailer 11
-
£2,022 GBP
View
Retailer 12
-
£2,022 GBP
View
Price last confirmed 8 days ago
B+
Retailer 13
-
£2,100 GBP
View
B+
Retailer 14
-
£2,115 GBP
View
B+
Retailer 15
-
£2,127 GBP
View
B+
Retailer 16
-
£2,128 GBP
View
Retailer 17
-
£2,265 GBP
View
Price last confirmed 30 days ago
B+
Retailer 18
-
£2,334 GBP
View
B+
Retailer 19
-
£2,468 GBP
View
B+
Retailer 20
-
£2,505 GBP
View
B
Retailer 21
-
£3,534 GBP
View
Retailer 22
-
£3,661 GBP
View
Price last confirmed 9 days ago
Most Expensive
B
NZ Jewellers
36a09d6a-a639-4578-b271-a6ded128168f · Nov 5
£4,228 GBP
$5,691 USD
View
22 more retailers have this diamond
Prices start from £1,522 GBPSave up to £2,707 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 Round
£1,522 GBP