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Round|Natural|GIA

1.00ct G SI2 Round Natural Diamond

VG • G/SI2 • GIA 2568392154

Certificate GIA 2568392154

Diamond specifications and retailer prices

From £1,169 GBP
As of November 6, 2026
Save £2,084 GBP (64%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £3,254 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by GIA 2568392154. Listed at 20 retailers as of November 5, 2026, with prices from £1,169 to £3,254, a £2,084 spread on the same certified stone. NZ Jewellers lists it at £3,254. 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

1.00
Carat
G
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2568392154
Dimensions6.33 × 6.42 × 3.90 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
6.33 mm6.42 mm1.00 ctG / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2568392154
Side View
Table 64.0%Crown 34.5°Girdle: STK-THKPavilion 41.2°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: £3,254 GBP|Low: £1,169 GBP|High: £3,254 GBP|Avg: £1,706 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
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 6, 2026
Retailer 11£1,169 GBP
Retailer 17£1,175 GBP
Retailer 10£1,297 GBP
Retailer 6£1,340 GBP
Retailer 7£1,382 GBP
Retailer 18£1,405 GBP
Retailer 19£1,420 GBP
Retailer 2£1,427 GBP
Retailer 9£1,436 GBP
Retailer 8£1,556 GBP
Retailer 12£1,568 GBP
Retailer 13£1,622 GBP
Retailer 4£1,628 GBP
Retailer 14£1,697 GBP
Retailer 16£1,788 GBP
Retailer 5£1,796 GBP
Retailer 15£1,999 GBP
Retailer 3£2,256 GBP
Retailer 20£2,719 GBP
NZ Jewellers£3,254 GBP

21 data points across 20 retailers

20 retailers£1,169 GBP to £3,254 GBP

A
Cheapest Retailer
-
£1,169 GBP
A
Retailer 2
-
£1,175 GBP
View
A
Retailer 3
-
£1,297 GBP
View
A
Retailer 4
-
£1,340 GBP
View
A
Retailer 5
-
£1,382 GBP
View
A
Retailer 6
-
£1,405 GBP
View
A
Retailer 7
-
£1,420 GBP
View
A
Retailer 8
-
£1,427 GBP
View
B+
Retailer 9
-
£1,436 GBP
View
Final sale: no returns
A
Retailer 10
-
£1,556 GBP
View
A
Retailer 11
-
£1,568 GBP
View
A
Retailer 12
-
£1,622 GBP
View
A
Retailer 13
-
£1,628 GBP
View
A
Retailer 14
-
£1,697 GBP
View
A
Retailer 15
-
£1,788 GBP
View
A
Retailer 16
-
£1,796 GBP
View
B+
Retailer 17
-
£1,999 GBP
View
B+
Retailer 18
-
£2,256 GBP
View
B+
Retailer 19
-
£2,719 GBP
View
Most Expensive
B
NZ Jewellers
489ecdb1-bda0-4c39-b21d-9f096647fdaf · Nov 5
£3,254 GBP
$4,379 USD
View
19 more retailers have this diamond
Prices start from £1,169 GBPSave up to £2,084 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
1.00ct Round
£1,169 GBP