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Round|Natural|GIA

1.00ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 6562017108

Certificate GIA 6562017108

Diamond specifications and retailer prices

From £1,027 GBP
As of November 6, 2026
Save £674 GBP (40%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £3,353 GBP at NZ Jewellers · As of October 6, 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 6562017108. Listed at 20 retailers as of November 5, 2026, with a 66% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
SymmetryVery Good
FluorescenceFaint
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6562017108
Dimensions6.28 × 6.34 × 4.00 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
6.28 mm6.34 mm1.00 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6562017108
Side View
Table 55.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 63.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £1,229 GBP|Low: £989 GBP|High: £3,939 GBP|Avg: £1,466 GBP|+1.8%
Retailer 1
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
November 6, 2026
Retailer 8£991 GBP
Retailer 15£1,027 GBP
Retailer 13£1,120 GBP
Retailer 2£1,121 GBP
Retailer 14£1,154 GBP
Retailer 1£1,229 GBP
Retailer 5£1,305 GBP
Retailer 9£1,346 GBP
Retailer 7£1,366 GBP
Retailer 3£1,427 GBP
Retailer 17£1,427 GBP
Retailer 11£1,479 GBP
Retailer 12£1,479 GBP
Retailer 6£1,506 GBP
Retailer 16£1,632 GBP
Retailer 10£1,701 GBP
Retailer 4£2,299 GBP

32 data points across 17 retailers

20 retailers£1,027 GBP to £1,701 GBP

Retailer 1
-
£991 GBP
Price last confirmed 22 days ago
A
Retailer 2
-
£1,027 GBP
View
A
Retailer 3
-
£1,120 GBP
View
Final sale: no returns
A
Retailer 4
-
£1,121 GBP
View
A
Retailer 5
-
£1,154 GBP
View
A
Retailer 6
-
£1,229 GBP
View
Retailer 7
-
£1,305 GBP
View
Price last confirmed 21 days ago
Retailer 8
-
£1,346 GBP
View
Price last confirmed 21 days ago
Retailer 9
-
£1,366 GBP
View
Price last confirmed 22 days ago
Retailer 10
-
£1,375 GBP
View
Price last confirmed 28 days ago
A
Retailer 11
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£1,404 GBP
View
A
Retailer 12
-
£1,427 GBP
View
A
Retailer 13
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£1,427 GBP
View
A
Retailer 14
-
£1,479 GBP
View
A
Retailer 15
-
£1,479 GBP
View
Retailer 16
-
£1,506 GBP
View
Price last confirmed 21 days ago
A
Retailer 17
-
£1,632 GBP
View
A
Retailer 18
-
£1,701 GBP
View
Retailer 19
-
£2,299 GBP
View
Price last confirmed 8 days ago
Most Expensive
NZ Jewellers
18dc768e-4082-484e-a798-3cb0f73e211c · Oct 6
£3,353 GBP
$4,513 USD
View
Price last confirmed 31 days ago
19 more retailers have this diamond
Prices start from £1,027 GBPSave up to £674 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
£1,027 GBP