CaratHunter
Plans
Round|Natural|GIA

1.01ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 6505172011

Shape and cutting style on the report: Round brilliant

Certificate GIA 6505172011

Diamond specifications and retailer prices

From £1,997 GBP
As of November 6, 2026
Save £3,171 GBP (61%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £5,168 GBP at Diamond Quarter · As of November 6, 2026
View at Diamond Quarter

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 6505172011. Listed at 22 retailers as of November 6, 2026, with prices from £1,997 to £5,168, a £3,171 spread on the same certified stone. Diamond Quarter lists it at £5,168. 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 angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6505172011
Dimensions6.43 × 6.39 × 4.01 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
6.43 mm6.39 mm1.01 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6505172011
Side View
Table 56.0%Crown 35.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.5%

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: £1,997 GBP|Low: £1,997 GBP|High: £4,666 GBP|Avg: £2,839 GBP|-3.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 1£1,997 GBP
Retailer 10£2,025 GBP
Retailer 2£2,447 GBP
Retailer 11£2,464 GBP
Retailer 3£2,545 GBP
Retailer 4£2,638 GBP
Retailer 6£2,819 GBP
Retailer 5£2,823 GBP
Retailer 9£2,941 GBP
Retailer 7£3,365 GBP
Retailer 8£4,598 GBP

28 data points across 11 retailers

22 retailers£1,997 GBP to £5,168 GBP

A
Cheapest Retailer
-
£1,997 GBP
B+
Retailer 2
-
£2,025 GBP
View
B+
Retailer 3
-
£2,447 GBP
View
B+
Retailer 4
-
£2,464 GBP
View
B+
Retailer 5
-
£2,545 GBP
View
Final sale: no returns
Retailer 6
-
£2,578 GBP
View
Price last confirmed 109 days ago
B+
Retailer 7
-
£2,638 GBP
View
B
Retailer 8
-
£2,641 GBP
View
B
Retailer 9
-
£2,757 GBP
View
Retailer 10
-
£2,757 GBP
View
Price last confirmed 8 days ago
B+
Retailer 11
-
£2,819 GBP
View
B
Retailer 12
-
£2,823 GBP
View
B
Retailer 13
-
£2,863 GBP
View
B
Retailer 14
-
£2,865 GBP
View
B
Retailer 15
-
£2,941 GBP
View
Retailer 16
-
£2,953 GBP
View
Price last confirmed 29 days ago
B
Retailer 17
-
£3,181 GBP
View
B
Retailer 18
-
£3,361 GBP
View
B
Retailer 19
-
£3,365 GBP
View
B
Retailer 20
-
£4,598 GBP
View
B
Retailer 21
-
£4,803 GBP
View
Most Expensive
B
Diamond Quarter
1.01SI1H6511B332N · Nov 6
£5,168 GBP
View
21 more retailers have this diamond
Prices start from £1,997 GBPSave up to £3,171 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
£1,997 GBP