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Round|Natural|GIA

1.00ct F I1 Round Natural Diamond

GD • F/I1 • GIA 2407278615

Certificate GIA 2407278615

Diamond specifications and retailer prices

From £1,154 GBP
HK$12,100 HKD
As of November 1, 2026
Save £2,072 GBP (64%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £3,226 GBP at NZ Jewellers · As of November 2, 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 standard cut grade and certified by GIA 2407278615. Listed at 10 retailers as of November 1, 2026, with prices from £1,154 to £3,226, a £2,072 spread on the same certified stone. NZ Jewellers lists it at £3,226. 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
F
Colour
I1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle40°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2407278615
Dimensions6.15 × 6.06 × 4.06 mm
L/W Ratio1.01
Top View
6.15 mm6.06 mm1.00 ctF / I1
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2407278615
Side View
Table 59.0%Crown 40°Girdle: THK-VTKPavilion 40.6°Culet: NoneDepth 66.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £3,226 GBP|Low: £1,145 GBP|High: £3,226 GBP|Avg: £1,636 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 4£1,154 GBP
Retailer 6£1,244 GBP
Retailer 5£1,274 GBP
Retailer 8£1,276 GBP
Retailer 9£1,398 GBP
Retailer 11£1,398 GBP
Retailer 7£1,463 GBP
Retailer 10£1,613 GBP
Retailer 3£1,836 GBP
Retailer 2£2,098 GBP
NZ Jewellers£3,226 GBP

22 data points across 11 retailers

10 retailers£1,154 GBP to £3,226 GBP

B+
Cheapest Retailer
-
£1,154 GBP
HK$12,100 HKD
B+
Retailer 2
-
£1,244 GBP
$1,670 USD
View
B+
Retailer 3
-
£1,274 GBP
$1,709 USD
View
B+
Retailer 4
-
£1,276 GBP
$1,712 USD
View
B+
Retailer 5
-
£1,398 GBP
$1,876 USD
View
B+
Retailer 6
-
£1,398 GBP
$1,876 USD
View
B+
Retailer 7
-
£1,463 GBP
$1,963 USD
View
B
Retailer 8
-
£1,613 GBP
$2,165 USD
View
B
Retailer 9
-
£2,098 GBP
€2,681 EUR
View
Most Expensive
C
NZ Jewellers
0fd2bdf4-39c5-4096-afb2-c30e6d9dc5c1 · Nov 2
£3,226 GBP
$4,329 USD
View
9 more retailers have this diamond
Prices start from £1,154 GBPSave up to £2,072 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.

B+
1.00ct Round
£1,154 GBP