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Round|Natural|GIA

1.00ct E IF Round Natural Diamond

EX • E/IF • GIA 1549017976

Certificate GIA 1549017976

Diamond specifications and retailer prices

From £4,318 GBP
HK$45,200 HKD
As of October 30, 2026
Save £5,334 GBP (55%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £9,652 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 1549017976. Listed at 19 retailers as of October 30, 2026, with prices from £4,318 to £9,652, a £5,334 spread on the same certified stone. NZ Jewellers lists it at £9,652. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle33°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 1549017976
Dimensions6.47 × 6.38 × 3.89 mm
L/W Ratio1.01
Top View
6.47 mm6.38 mm1.00 ctE / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1549017976
Side View
Table 61.0%Crown 33°Girdle: Sli. ThickPavilion 41.4°Culet: NoneDepth 61.0%

Caratlytics Score

How it works →
A+
Exceptional
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: £4,422 GBP|Low: £4,318 GBP|High: £8,407 GBP|Avg: £5,734 GBP|-4.4%
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
October 30, 2026
Retailer 15£4,318 GBP
Retailer 1£4,422 GBP
Retailer 3£4,988 GBP
Retailer 7£5,130 GBP
Retailer 13£5,325 GBP
Retailer 5£5,326 GBP
Retailer 9£5,404 GBP
Retailer 12£5,564 GBP
Retailer 14£5,771 GBP
Retailer 4£5,867 GBP
Retailer 2£5,893 GBP
Retailer 6£6,244 GBP
Retailer 8£6,306 GBP
Retailer 11£7,027 GBP
Retailer 10£8,085 GBP

29 data points across 15 retailers

19 retailers£4,318 GBP to £9,652 GBP

A+
Cheapest Retailer
-
£4,318 GBP
HK$45,200 HKD
A
Retailer 2
-
£4,422 GBP
₹564,251 INR
View
A
Retailer 3
-
£4,988 GBP
$6,683 USD
View
Retailer 4
-
£5,130 GBP
SGD 9,288 SGD
View
Price last confirmed 19 days ago
A
Retailer 5
-
£5,325 GBP
$7,135 USD
View
A
Retailer 6
-
£5,326 GBP
$7,136 USD
View
Final sale: no returns
A
Retailer 7
-
£5,327 GBP
$7,137 USD
View
A
Retailer 8
-
£5,404 GBP
View
Retailer 9
-
£5,564 GBP
A$11,469 AUD
View
Price last confirmed 8 days ago
A
Retailer 10
-
£5,771 GBP
$7,732 USD
View
A
Retailer 11
-
£5,859 GBP
$7,851 USD
View
A
Retailer 12
-
£5,867 GBP
$7,861 USD
View
A
Retailer 13
-
£5,893 GBP
$7,896 USD
View
A
Retailer 14
-
£6,244 GBP
View
A
Retailer 15
-
£6,306 GBP
€8,047 EUR
View
A
Retailer 16
-
£6,659 GBP
$8,922 USD
View
A
Retailer 17
-
£7,027 GBP
ZAR 152,112 ZAR
View
B+
Retailer 18
-
£8,085 GBP
View
Most Expensive
B+
NZ Jewellers
ba1eb220-e805-4bde-bdc8-3ecce4e5936b · Oct 30
£9,652 GBP
$12,932 USD
View
18 more retailers have this diamond
Prices start from £4,318 GBPSave up to £5,334 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
£4,318 GBP