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Round|Natural|HRD

1.00ct F I1 Round Natural Diamond

EX • F/I1 • HRD 260000139153

Certificate HRD 260000139153

Diamond specifications and retailer prices

From £686 GBP
₹87,645 INR
As of October 25, 2026
7 retailers carry this diamond
Most expensive: £2,195 GBP at NZ Jewellers · As of October 9, 2026
View at NZ Jewellers

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded F colour (colourless) and I1 clarity (included), with a top-tier cut grade and certified by HRD 260000139153. Listed at 7 retailers as of October 9, 2026. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
F
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle40.8°
OriginNatural
Grading LabHRD
CertificateHRD 260000139153
Dimensions6.38 × 6.36 × 3.99 mm
L/W Ratio1.00
Top View
6.38 mm6.36 mm1.00 ctF / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateHRD 260000139153
Side View
Table 56.0%Crown 36.4°Girdle: MediumPavilion 40.8°Culet: NoneDepth 62.6%

Caratlytics Score

No score right now
No retailer has confirmed this stone recently, so we are not scoring it. Prices below are as of the date shown.

Price History

Last verified: Oct 25
Current: £874 GBP|Low: £684 GBP|High: £1,283 GBP|Avg: £890 GBP|-2.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 25, 2026
Retailer 3£686 GBP
Retailer 4£776 GBP
Retailer 5£831 GBP
Retailer 1£874 GBP
Retailer 2£1,253 GBP

26 data points across 5 retailers

7 retailers£686 GBP to £2,195 GBP

Retailer 1
-
£686 GBP
₹87,645 INR
Price last confirmed 8 days ago
Retailer 2
-
£776 GBP
$1,042 USD
View
Price last confirmed 9 days ago
Retailer 3
-
£874 GBP
$1,173 USD
View
Price last confirmed 7 days ago
Retailer 4
-
£900 GBP
$1,208 USD
View
Price last confirmed 24 days ago
Retailer 5
-
£900 GBP
$1,208 USD
View
Price last confirmed 25 days ago
Retailer 6
-
£1,253 GBP
€1,602 EUR
View
Price last confirmed 7 days ago
Most Expensive
NZ Jewellers
ec1c159a-4ef3-41f9-9efd-fd6cc2127e14 · Oct 9
£2,195 GBP
$2,945 USD
View
Price last confirmed 24 days ago
6 more retailers have this diamond

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.

1.00ct Round
£686 GBP