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Round|Natural|GIA

1.00ct E SI1 Round Natural Diamond

VG • E/SI1 • GIA 5536119500

Certificate GIA 5536119500

Diamond specifications and retailer prices

From £1,740 GBP
As of November 5, 2026
Save £2,257 GBP (56%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: £3,997 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 E colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by GIA 5536119500. Listed at 25 retailers as of November 5, 2026, with prices from £1,740 to £3,997, a £2,257 spread on the same certified stone. NZ Jewellers lists it at £3,997. 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
E
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 5536119500
Dimensions6.24 × 6.21 × 4.01 mm
L/W Ratio1.00
Top View
6.24 mm6.21 mm1.00 ctE / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5536119500
Side View
Table 57.0%Crown 37.5°Girdle: STK-THKPavilion 40.8°Culet: NoneDepth 64.6%

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: £3,997 GBP|Low: £1,683 GBP|High: £4,693 GBP|Avg: £2,324 GBP|-0.7%
NZ Jewellers
Retailer 2
Retailer 3
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Retailer 5
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Retailer 7
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Retailer 9
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Retailer 11
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Retailer 17
Retailer 18
Retailer 19
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Retailer 21
Retailer 22
Retailer 23
Retailer 24
November 6, 2026
Retailer 3£1,740 GBP
Retailer 10£1,772 GBP
Retailer 12£1,780 GBP
Retailer 16£1,784 GBP
Retailer 6£1,861 GBP
Retailer 17£1,869 GBP
Retailer 21£1,918 GBP
Retailer 20£1,924 GBP
Retailer 14£2,034 GBP
Retailer 13£2,040 GBP
Retailer 5£2,078 GBP
Retailer 22£2,088 GBP
Retailer 9£2,158 GBP
Retailer 7£2,274 GBP
Retailer 8£2,274 GBP
Retailer 2£2,348 GBP
Retailer 18£2,357 GBP
Retailer 23£2,398 GBP
Retailer 19£2,513 GBP
Retailer 15£2,606 GBP
Retailer 4£2,720 GBP
Retailer 24£2,800 GBP
Retailer 11£3,754 GBP
NZ Jewellers£3,997 GBP

25 data points across 24 retailers

25 retailers£1,740 GBP to £3,997 GBP

A
Cheapest Retailer
-
£1,740 GBP
A
Retailer 2
-
£1,772 GBP
View
A
Retailer 3
-
£1,780 GBP
View
A
Retailer 4
-
£1,784 GBP
View
A
Retailer 5
-
£1,861 GBP
View
A
Retailer 6
-
£1,869 GBP
View
A
Retailer 7
-
£1,918 GBP
View
Final sale: no returns
A
Retailer 8
-
£1,924 GBP
View
Retailer 9
-
£2,034 GBP
View
Price last confirmed 8 days ago
A
Retailer 10
-
£2,040 GBP
View
A
Retailer 11
-
£2,078 GBP
View
A
Retailer 12
-
£2,088 GBP
View
B+
Retailer 13
-
£2,158 GBP
View
B+
Retailer 14
-
£2,274 GBP
View
B+
Retailer 15
-
£2,274 GBP
View
B+
Retailer 16
-
£2,348 GBP
View
B+
Retailer 17
-
£2,357 GBP
View
B+
Retailer 18
-
£2,398 GBP
View
Retailer 19
-
£2,478 GBP
View
Price last confirmed 33 days ago
B+
Retailer 20
-
£2,513 GBP
View
Retailer 21
-
£2,606 GBP
View
Price last confirmed 14 days ago
B+
Retailer 22
-
£2,720 GBP
View
B+
Retailer 23
-
£2,800 GBP
View
B
Retailer 24
-
£3,754 GBP
View
Most Expensive
B
NZ Jewellers
2eae39c7-c831-4bb5-a357-e449fa641742 · Nov 5
£3,997 GBP
$5,380 USD
View
24 more retailers have this diamond
Prices start from £1,740 GBPSave up to £2,257 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
£1,740 GBP