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Round|Natural|GIA

1.00ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 1569582831

Certificate GIA 1569582831

Diamond specifications and retailer prices

From £1,605 GBP
HK$16,800 HKD
As of October 30, 2026
Save £2,850 GBP (64%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £4,455 GBP at NZ Jewellers · As of October 30, 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 1569582831. Listed at 22 retailers as of October 30, 2026, with prices from £1,605 to £4,455, a £2,850 spread on the same certified stone. NZ Jewellers lists it at £4,455. 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 angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1569582831
Dimensions6.37 × 6.35 × 3.96 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Top View
6.37 mm6.35 mm1.00 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1569582831
Side View
Table 57.0%Crown 35.5°Girdle: Slightly ThickPavilion 40.8°Culet: NoneDepth 62.3%

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: Oct 30
Current: £4,455 GBP|Low: £1,557 GBP|High: £4,485 GBP|Avg: £2,273 GBP|+2.7%
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
October 31, 2026
Retailer 21£1,605 GBP
Retailer 17£1,698 GBP
Retailer 3£1,729 GBP
Retailer 18£1,777 GBP
Retailer 8£1,782 GBP
Retailer 19£1,793 GBP
Retailer 9£1,881 GBP
Retailer 14£1,881 GBP
Retailer 5£1,886 GBP
Retailer 20£1,948 GBP
Retailer 12£1,967 GBP
Retailer 2£2,096 GBP
Retailer 15£2,149 GBP
Retailer 4£2,209 GBP
Retailer 22£2,209 GBP
Retailer 13£2,228 GBP
Retailer 7£2,264 GBP
Retailer 6£2,284 GBP
Retailer 16£2,501 GBP
Retailer 10£2,542 GBP
Retailer 11£3,656 GBP
NZ Jewellers£4,455 GBP

10 data points across 22 retailers

22 retailers£1,605 GBP to £4,455 GBP

A
Cheapest Retailer
-
£1,605 GBP
HK$16,800 HKD
A
Retailer 2
-
£1,698 GBP
$2,275 USD
View
A
Retailer 3
-
£1,729 GBP
$2,316 USD
View
A
Retailer 4
-
£1,777 GBP
$2,381 USD
View
A
Retailer 5
-
£1,782 GBP
$2,388 USD
View
Final sale: no returns
A
Retailer 6
-
£1,793 GBP
A$3,696 AUD
View
A
Retailer 7
-
£1,881 GBP
$2,520 USD
View
A
Retailer 8
-
£1,881 GBP
$2,520 USD
View
A
Retailer 9
-
£1,886 GBP
View
A
Retailer 10
-
£1,948 GBP
$2,610 USD
View
A
Retailer 11
-
£1,967 GBP
$2,636 USD
View
A
Retailer 12
-
£2,096 GBP
$2,809 USD
View
Retailer 13
-
£2,149 GBP
SGD 3,892 SGD
View
Price last confirmed 15 days ago
B+
Retailer 14
-
£2,209 GBP
$2,960 USD
View
B+
Retailer 15
-
£2,209 GBP
$2,960 USD
View
A
Retailer 16
-
£2,228 GBP
$2,985 USD
View
B+
Retailer 17
-
£2,264 GBP
View
B+
Retailer 18
-
£2,284 GBP
$3,060 USD
View
B+
Retailer 19
-
£2,501 GBP
€3,192 EUR
View
B+
Retailer 20
-
£2,542 GBP
$3,406 USD
View
B
Retailer 21
-
£3,656 GBP
View
Most Expensive
B
NZ Jewellers
bf112d20-98a6-4602-97c4-ce286e7d7779 · Oct 30
£4,455 GBP
$5,969 USD
View
21 more retailers have this diamond
Prices start from £1,605 GBPSave up to £2,850 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
£1,605 GBP