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Round|Natural|GIA

1.00ct E IF Round Natural Diamond

EX • E/IF • GIA 1565148938

Certificate GIA 1565148938

Diamond specifications and retailer prices

From £3,926 GBP
HK$41,100 HKD
As of October 30, 2026
Save £4,918 GBP (56%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: £9,489 GBP at NZ Jewellers · As of September 21, 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 1565148938. Listed at 25 retailers as of October 30, 2026, with a 125% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
SymmetryExcellent
FluorescenceMedium
Crown angle35°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 1565148938
Dimensions6.35 × 6.39 × 4.00 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
6.35 mm6.39 mm1.00 ctE / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 1565148938
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.8%

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: £8,845 GBP|Low: £3,926 GBP|High: £8,845 GBP|Avg: £5,435 GBP
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
October 30, 2026
Retailer 7£3,926 GBP
Retailer 2£3,982 GBP
Retailer 16£4,256 GBP
Retailer 18£4,294 GBP
Retailer 8£4,365 GBP
Retailer 3£4,469 GBP
Retailer 9£4,549 GBP
Retailer 15£4,657 GBP
Retailer 6£4,881 GBP
Retailer 12£5,086 GBP
Retailer 5£5,288 GBP
Retailer 17£5,370 GBP
Retailer 14£5,510 GBP
Retailer 10£5,733 GBP
Retailer 4£6,102 GBP
Retailer 19£6,183 GBP
Retailer 11£7,742 GBP
Retailer 13£7,833 GBP
NZ Jewellers£8,845 GBP

22 data points across 19 retailers

25 retailers£3,926 GBP to £8,845 GBP

A+
Cheapest Retailer
-
£3,926 GBP
HK$41,100 HKD
A+
Retailer 2
-
£3,982 GBP
₹508,112 INR
View
Retailer 3
-
£4,256 GBP
€5,432 EUR
View
Price last confirmed 5 days ago
A+
Retailer 4
-
£4,294 GBP
$5,753 USD
View
A
Retailer 5
-
£4,365 GBP
€5,570 EUR
View
A
Retailer 6
-
£4,469 GBP
CA$8,317 CAD
View
A
Retailer 7
-
£4,549 GBP
SGD 8,236 SGD
View
A
Retailer 8
-
£4,657 GBP
$6,240 USD
View
A
Retailer 9
-
£4,881 GBP
$6,540 USD
View
Final sale: no returns
A
Retailer 10
-
£5,086 GBP
View
A
Retailer 11
-
£5,288 GBP
$7,086 USD
View
A
Retailer 12
-
£5,370 GBP
$7,195 USD
View
A
Retailer 13
-
£5,384 GBP
A$11,098 AUD
View
A
Retailer 14
-
£5,510 GBP
€7,031 EUR
View
Retailer 15
-
£5,674 GBP
$7,602 USD
View
Price last confirmed 43 days ago
A
Retailer 16
-
£5,733 GBP
View
Retailer 17
-
£5,802 GBP
$7,774 USD
View
Price last confirmed 53 days ago
A
Retailer 18
-
£6,102 GBP
$8,176 USD
View
Retailer 19
-
£6,546 GBP
$8,771 USD
View
Price last confirmed 40 days ago
Retailer 20
-
£6,695 GBP
$8,970 USD
View
Price last confirmed 60 days ago
Retailer 21
-
£6,695 GBP
$8,970 USD
View
Price last confirmed 54 days ago
B+
Retailer 22
-
£7,742 GBP
$10,373 USD
View
B+
Retailer 23
-
£7,833 GBP
View
B+
Retailer 24
-
£8,845 GBP
$11,851 USD
View
Most Expensive
NZ Jewellers
eab5e458-db43-466f-89b7-f78b33f4c4b5 · Sep 21
£9,489 GBP
$12,714 USD
View
Price last confirmed 39 days ago
24 more retailers have this diamond
Prices start from £3,926 GBPSave up to £4,918 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
£3,926 GBP