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Round|Natural|GIA

1.00ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 6522141984

Certificate GIA 6522141984

Diamond specifications and retailer prices

From £1,273 GBP
As of November 5, 2026
Save £2,245 GBP (64%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £3,517 GBP at NZ Jewellers · As of November 2, 2026
View at NZ Jewellers

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6522141984. Listed at 14 retailers as of November 2, 2026, with prices from £1,273 to £3,517, a £2,245 spread on the same certified stone. NZ Jewellers lists it at £3,517. 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
E
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 6522141984
Dimensions6.37 × 6.32 × 4.03 mm
L/W Ratio1.01
Star length55%
Lower girdle70%
Top View
6.37 mm6.32 mm1.00 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6522141984
Side View
Table 55.0%Crown 32.5°Girdle: MED-STKPavilion 41.8°Culet: NoneDepth 63.4%

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 5
Current: £3,517 GBP|Low: £1,273 GBP|High: £3,533 GBP|Avg: £1,963 GBP|-0.4%
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
November 6, 2026
Retailer 10£1,273 GBP
Retailer 8£1,476 GBP
Retailer 11£1,519 GBP
Retailer 5£1,552 GBP
Retailer 6£1,667 GBP
Retailer 14£1,682 GBP
Retailer 13£1,760 GBP
Retailer 4£1,785 GBP
Retailer 7£1,817 GBP
Retailer 9£1,930 GBP
Retailer 3£1,941 GBP
Retailer 2£2,166 GBP
Retailer 12£2,939 GBP
NZ Jewellers£3,517 GBP

21 data points across 14 retailers

14 retailers£1,273 GBP to £3,517 GBP

A
Cheapest Retailer
-
£1,273 GBP
A
Retailer 2
-
£1,476 GBP
View
A
Retailer 3
-
£1,519 GBP
View
A
Retailer 4
-
£1,552 GBP
View
Final sale: no returns
Retailer 5
-
£1,667 GBP
View
Price last confirmed 8 days ago
A
Retailer 6
-
£1,682 GBP
View
A
Retailer 7
-
£1,760 GBP
View
A
Retailer 8
-
£1,785 GBP
View
A
Retailer 9
-
£1,817 GBP
View
A
Retailer 10
-
£1,930 GBP
View
A
Retailer 11
-
£1,941 GBP
View
A
Retailer 12
-
£2,166 GBP
View
B+
Retailer 13
-
£2,939 GBP
View
Most Expensive
B
NZ Jewellers
c10fdabe-b5a9-464e-a556-58a1c4e18ed0 · Nov 2
£3,517 GBP
$4,734 USD
View
13 more retailers have this diamond
Prices start from £1,273 GBPSave up to £2,245 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
£1,273 GBP