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1.01ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 2564717890

Certificate GIA 2564717890

Diamond specifications and retailer prices

From £916 GBP
As of November 4, 2026
Save £2,204 GBP (71%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £3,121 GBP at Helzberg Diamonds · As of November 6, 2026
View at Helzberg Diamonds

About this 1.01ct natural round diamond

This 1.01ct natural round sits in the classic one-carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2564717890. Listed at 13 retailers as of November 4, 2026, with prices from £916 to £3,121, a £2,204 spread on the same certified stone. Helzberg Diamonds lists it at £3,121. 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
G
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2564717890
Dimensions6.38 × 6.41 × 4.01 mm
L/W Ratio1.00
Culet sizeNone
Top View
6.38 mm6.41 mm1.01 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2564717890
Side View
Table 55.0%Crown 34.5°Girdle: THN-STKPavilion 41°Culet: NoneDepth 62.7%

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 4
Current: £3,121 GBP|Low: £916 GBP|High: £3,207 GBP|Avg: £2,253 GBP|-2.7%
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 13£916 GBP
Retailer 5£1,833 GBP
Retailer 8£1,856 GBP
Retailer 3£1,872 GBP
Retailer 6£1,930 GBP
Retailer 11£1,976 GBP
Retailer 9£2,135 GBP
Retailer 10£2,227 GBP
Retailer 2£2,277 GBP
Retailer 12£2,354 GBP
Retailer 7£2,380 GBP
Retailer 4£3,021 GBP
Helzberg Diamonds£3,121 GBP

13 data points across 13 retailers

13 retailers£916 GBP to £3,121 GBP

A
Cheapest Retailer
-
£916 GBP
A
Retailer 2
-
£1,833 GBP
View
A
Retailer 3
-
£1,856 GBP
View
A
Retailer 4
-
£1,872 GBP
View
A
Retailer 5
-
£1,930 GBP
View
B+
Retailer 6
-
£1,976 GBP
View
B+
Retailer 7
-
£2,135 GBP
View
B+
Retailer 8
-
£2,227 GBP
View
B+
Retailer 9
-
£2,277 GBP
View
B+
Retailer 10
-
£2,354 GBP
View
B+
Retailer 11
-
£2,380 GBP
View
B
Retailer 12
-
£3,021 GBP
View
Most Expensive
B
Helzberg Diamonds
XZRILMKNHNOPG · Nov 6
£3,121 GBP
$4,200 USD
View
12 more retailers have this diamond
Prices start from £916 GBPSave up to £2,204 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
£916 GBP