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Round|Natural|GIA

1.01ct G SI1 Round Natural Diamond

GD • G/SI1 • GIA 6445130494

Certificate GIA 6445130494

Diamond specifications and retailer prices

From £1,371 GBP
As of October 31, 2026
Save £2,618 GBP (66%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £3,988 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by GIA 6445130494. Listed at 21 retailers as of October 31, 2026, with prices from £1,371 to £3,988, a £2,618 spread on the same certified stone. NZ Jewellers lists it at £3,988. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.01
Carat
G
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle39°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6445130494
Dimensions6.21 × 6.13 × 4.08 mm
L/W Ratio1.01
Top View
6.21 mm6.13 mm1.01 ctG / SI1
OriginNatural
CutGood
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6445130494
Side View
Table 59.0%Crown 39°Girdle: THK-VTKPavilion 41.2°Culet: NoneDepth 66.1%

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: Oct 31
Current: £1,930 GBP|Low: £1,312 GBP|High: £3,382 GBP|Avg: £1,989 GBP
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 9£1,371 GBP
Retailer 10£1,388 GBP
Retailer 11£1,754 GBP
Retailer 2£1,761 GBP
Retailer 12£1,887 GBP
Retailer 1£1,930 GBP
Retailer 4£1,996 GBP
Retailer 5£2,007 GBP
Retailer 7£2,127 GBP
Retailer 3£2,137 GBP
Retailer 6£2,329 GBP
Retailer 8£3,342 GBP

39 data points across 12 retailers

21 retailers£1,371 GBP to £3,988 GBP

A
Cheapest Retailer
-
£1,371 GBP
B+
Retailer 2
-
£1,388 GBP
View
B+
Retailer 3
-
£1,687 GBP
View
B+
Retailer 4
-
£1,754 GBP
View
B+
Retailer 5
-
£1,761 GBP
View
Final sale: no returns
B+
Retailer 6
-
£1,820 GBP
View
B+
Retailer 7
-
£1,887 GBP
View
Retailer 8
-
£1,908 GBP
View
Price last confirmed 8 days ago
B+
Retailer 9
-
£1,908 GBP
View
B+
Retailer 10
-
£1,930 GBP
View
B+
Retailer 11
-
£1,996 GBP
View
B+
Retailer 12
-
£2,007 GBP
View
B+
Retailer 13
-
£2,012 GBP
View
B+
Retailer 14
-
£2,127 GBP
View
Retailer 15
-
£2,137 GBP
View
Price last confirmed 30 days ago
B+
Retailer 16
-
£2,201 GBP
View
B
Retailer 17
-
£2,329 GBP
View
B
Retailer 18
-
£3,342 GBP
View
C
Retailer 19
-
£3,656 GBP
View
C
Retailer 20
-
£3,705 GBP
View
Most Expensive
C
NZ Jewellers
22d67642-b443-44f6-a79c-c6fad031fcd3 · Nov 5
£3,988 GBP
$5,368 USD
View
20 more retailers have this diamond
Prices start from £1,371 GBPSave up to £2,618 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
£1,371 GBP