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Round|Natural|GIA

1.00ct G SI2 Round Natural Diamond

VG • G/SI2 • GIA 6565724044

Certificate GIA 6565724044

Diamond specifications and retailer prices

From £1,141 GBP
As of November 6, 2026
Save £2,042 GBP (64%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £3,184 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 6565724044. Listed at 20 retailers as of November 5, 2026, with prices from £1,141 to £3,184, a £2,042 spread on the same certified stone. NZ Jewellers lists it at £3,184. 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 angle37.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6565724044
Dimensions6.25 × 6.29 × 4.03 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
6.25 mm6.29 mm1.00 ctG / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6565724044
Side View
Table 56.0%Crown 37.5°Girdle: ETN-THKPavilion 40.6°Culet: NoneDepth 64.2%

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: £3,184 GBP|Low: £1,141 GBP|High: £3,254 GBP|Avg: £1,681 GBP|-2.1%
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£1,141 GBP
Retailer 2£1,145 GBP
Retailer 10£1,297 GBP
Retailer 7£1,314 GBP
Retailer 8£1,352 GBP
Retailer 18£1,376 GBP
Retailer 3£1,389 GBP
Retailer 13£1,397 GBP
Retailer 9£1,405 GBP
Retailer 19£1,523 GBP
Retailer 12£1,539 GBP
Retailer 14£1,586 GBP
Retailer 5£1,593 GBP
Retailer 20£1,660 GBP
Retailer 16£1,750 GBP
Retailer 17£1,757 GBP
Retailer 15£1,955 GBP
Retailer 6£2,207 GBP
Retailer 4£2,661 GBP
NZ Jewellers£3,184 GBP

14 data points across 20 retailers

20 retailers£1,141 GBP to £3,184 GBP

A
Cheapest Retailer
-
£1,141 GBP
A
Retailer 2
-
£1,145 GBP
View
A
Retailer 3
-
£1,297 GBP
View
A
Retailer 4
-
£1,314 GBP
View
A
Retailer 5
-
£1,352 GBP
View
A
Retailer 6
-
£1,376 GBP
View
A
Retailer 7
-
£1,389 GBP
View
A
Retailer 8
-
£1,397 GBP
View
B+
Retailer 9
-
£1,405 GBP
View
Final sale: no returns
A
Retailer 10
-
£1,523 GBP
View
A
Retailer 11
-
£1,539 GBP
View
A
Retailer 12
-
£1,586 GBP
View
A
Retailer 13
-
£1,593 GBP
View
A
Retailer 14
-
£1,660 GBP
View
A
Retailer 15
-
£1,750 GBP
View
A
Retailer 16
-
£1,757 GBP
View
B+
Retailer 17
-
£1,955 GBP
View
B+
Retailer 18
-
£2,207 GBP
View
B
Retailer 19
-
£2,661 GBP
View
Most Expensive
B
NZ Jewellers
73a845e4-7eac-4624-a28a-89744f99112c · Nov 5
£3,184 GBP
$4,285 USD
View
19 more retailers have this diamond
Prices start from £1,141 GBPSave up to £2,042 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
£1,141 GBP