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Round|Natural|GIA

1.00ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 6542153013

Certificate GIA 6542153013

Diamond specifications and retailer prices

From £1,167 GBP
As of November 6, 2026
Save £1,976 GBP (63%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £3,144 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 top-tier cut grade and certified by GIA 6542153013. Listed at 21 retailers as of November 5, 2026, with prices from £1,167 to £3,144, a £1,976 spread on the same certified stone. NZ Jewellers lists it at £3,144. 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

1.00
Carat
G
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6542153013
Dimensions6.46 × 6.43 × 3.89 mm
L/W Ratio1.00
Top View
6.46 mm6.43 mm1.00 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6542153013
Side View
Table 59.0%Crown 34.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 60.4%

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: £1,167 GBP|Low: £1,167 GBP|High: £2,667 GBP|Avg: £1,657 GBP|-3.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 1£1,167 GBP
Retailer 10£1,169 GBP
Retailer 3£1,379 GBP
Retailer 2£1,387 GBP
Retailer 9£1,476 GBP
Retailer 6£1,505 GBP
Retailer 5£1,614 GBP
Retailer 4£1,622 GBP
Retailer 8£1,995 GBP
Retailer 7£2,627 GBP

36 data points across 10 retailers

21 retailers£1,167 GBP to £3,144 GBP

A
Cheapest Retailer
-
£1,167 GBP
A
Retailer 2
-
£1,169 GBP
View
A
Retailer 3
-
£1,340 GBP
View
A
Retailer 4
-
£1,358 GBP
View
A
Retailer 5
-
£1,379 GBP
View
A
Retailer 6
-
£1,387 GBP
View
Final sale: no returns
A
Retailer 7
-
£1,476 GBP
View
A
Retailer 8
-
£1,501 GBP
View
Retailer 9
-
£1,504 GBP
View
Price last confirmed 12 days ago
A
Retailer 10
-
£1,504 GBP
View
A
Retailer 11
-
£1,505 GBP
View
A
Retailer 12
-
£1,573 GBP
View
A
Retailer 13
-
£1,606 GBP
View
A
Retailer 14
-
£1,614 GBP
View
A
Retailer 15
-
£1,622 GBP
View
A
Retailer 16
-
£1,649 GBP
View
A
Retailer 17
-
£1,735 GBP
View
B+
Retailer 18
-
£1,995 GBP
View
B+
Retailer 19
-
£2,256 GBP
View
B+
Retailer 20
-
£2,627 GBP
View
Most Expensive
B
NZ Jewellers
e816be7c-2ec8-4c8f-99b2-d5f84a64e32e · Nov 5
£3,144 GBP
$4,231 USD
View
20 more retailers have this diamond
Prices start from £1,167 GBPSave up to £1,976 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
£1,167 GBP