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Round|Natural|GIA

1.00ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 6562693036

Certificate GIA 6562693036

Diamond specifications and retailer prices

From £1,987 GBP
As of November 6, 2026
Save £2,610 GBP (57%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: £4,598 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6562693036. Listed at 25 retailers as of November 5, 2026, with prices from £1,987 to £4,598, a £2,610 spread on the same certified stone. NZ Jewellers lists it at £4,598. 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6562693036
Dimensions6.59 × 6.56 × 3.84 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Feather, Crystal, Pinpoint
Top View
6.59 mm6.56 mm1.00 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6562693036
Side View
Table 60.0%Crown 31.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 58.4%

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: £4,598 GBP|Low: £1,987 GBP|High: £4,598 GBP|Avg: £2,939 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
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Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
Retailer 23
Retailer 24
November 6, 2026
Retailer 23£1,987 GBP
Retailer 6£2,053 GBP
Retailer 10£2,343 GBP
Retailer 3£2,387 GBP
Retailer 22£2,410 GBP
Retailer 12£2,436 GBP
Retailer 21£2,497 GBP
Retailer 2£2,525 GBP
Retailer 11£2,537 GBP
Retailer 5£2,639 GBP
Retailer 9£2,639 GBP
Retailer 13£2,714 GBP
Retailer 8£2,740 GBP
Retailer 4£2,746 GBP
Retailer 14£2,826 GBP
Retailer 7£2,858 GBP
Retailer 18£2,982 GBP
Retailer 15£3,045 GBP
Retailer 19£3,057 GBP
Retailer 20£3,221 GBP
Retailer 16£3,824 GBP
Retailer 17£3,931 GBP
Retailer 24£4,413 GBP
NZ Jewellers£4,598 GBP

12 data points across 24 retailers

25 retailers£1,987 GBP to £4,598 GBP

A
Cheapest Retailer
-
£1,987 GBP
Retailer 2
-
£2,053 GBP
View
Price last confirmed 8 days ago
B+
Retailer 3
-
£2,269 GBP
View
B+
Retailer 4
-
£2,343 GBP
View
B+
Retailer 5
-
£2,387 GBP
View
B+
Retailer 6
-
£2,410 GBP
View
B+
Retailer 7
-
£2,436 GBP
View
Final sale: no returns
B+
Retailer 8
-
£2,497 GBP
View
B+
Retailer 9
-
£2,525 GBP
View
B+
Retailer 10
-
£2,537 GBP
View
Retailer 11
-
£2,639 GBP
View
Price last confirmed 8 days ago
B
Retailer 12
-
£2,639 GBP
View
B+
Retailer 13
-
£2,714 GBP
View
B+
Retailer 14
-
£2,740 GBP
View
B+
Retailer 15
-
£2,746 GBP
View
B+
Retailer 16
-
£2,826 GBP
View
Retailer 17
-
£2,858 GBP
View
Price last confirmed 8 days ago
B+
Retailer 18
-
£2,982 GBP
View
B
Retailer 19
-
£3,045 GBP
View
B+
Retailer 20
-
£3,057 GBP
View
B
Retailer 21
-
£3,221 GBP
View
B
Retailer 22
-
£3,824 GBP
View
B
Retailer 23
-
£3,931 GBP
View
B
Retailer 24
-
£4,413 GBP
View
Most Expensive
B
NZ Jewellers
95d74f45-b7f8-4a04-92e6-c29feb74f4f7 · Nov 5
£4,598 GBP
$6,188 USD
View
24 more retailers have this diamond
Prices start from £1,987 GBPSave up to £2,610 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
£1,987 GBP