Round|Natural|GIA

1.00ct F I1 Round Natural Diamond

VG • F/I1 • GIA 1409013756

Certificate GIA 1409013756

Diamond specifications and retailer prices

From £1,354 GBP
HK$14,200 HKD
As of November 1, 2026
Save £2,422 GBP (64%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £3,777 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 very-good cut grade and certified by GIA 1409013756. Listed at 12 retailers as of November 1, 2026, with prices from £1,354 to £3,777, a £2,422 spread on the same certified stone. NZ Jewellers lists it at £3,777. 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
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryGood
FluorescenceNone
Crown angle31.5°
Pavilion angle42°
OriginNatural
Grading LabGIA
CertificateGIA 1409013756
Dimensions6.37 × 6.34 × 3.98 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud, Cavity, Indented Natural, Needle, Natural
Top View
6.37 mm6.34 mm1.00 ctF / I1
OriginNatural
CutVery Good
PolishExcellent
SymmetryGood
FluorescenceNone
CertificateGIA 1409013756
Side View
Table 59.0%Crown 31.5°Girdle: STK-THKPavilion 42°Culet: NoneDepth 62.7%

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: £3,777 GBP|Low: £1,335 GBP|High: £3,777 GBP|Avg: £1,898 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
November 1, 2026
Retailer 7£1,354 GBP
Retailer 8£1,449 GBP
Retailer 10£1,470 GBP
Retailer 14£1,478 GBP
Retailer 11£1,636 GBP
Retailer 13£1,636 GBP
Retailer 9£1,712 GBP
Retailer 12£1,888 GBP
Retailer 4£1,893 GBP
Retailer 6£1,893 GBP
Retailer 5£1,952 GBP
Retailer 3£2,150 GBP
Retailer 2£2,246 GBP
NZ Jewellers£3,777 GBP

24 data points across 14 retailers

12 retailers£1,354 GBP to £3,777 GBP

B+
Cheapest Retailer
-
£1,354 GBP
HK$14,200 HKD
B+
Retailer 2
-
£1,449 GBP
$1,945 USD
View
B+
Retailer 3
-
£1,470 GBP
$1,972 USD
View
B
Retailer 4
-
£1,636 GBP
$2,196 USD
View
B
Retailer 5
-
£1,636 GBP
$2,196 USD
View
B
Retailer 6
-
£1,712 GBP
$2,298 USD
View
B
Retailer 7
-
£1,888 GBP
$2,534 USD
View
B
Retailer 8
-
£1,893 GBP
$2,540 USD
View
B
Retailer 9
-
£1,893 GBP
$2,540 USD
View
B
Retailer 10
-
£1,952 GBP
$2,620 USD
View
B
Retailer 11
-
£2,246 GBP
€2,870 EUR
View
Most Expensive
C
NZ Jewellers
434954d3-0660-4b1c-8654-d9be533f4cfc · Nov 2
£3,777 GBP
$5,068 USD
View
11 more retailers have this diamond
Prices start from £1,354 GBPSave up to £2,422 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
£1,354 GBP