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Round|Natural|IGI

1.05ct F VS1 Round Natural Diamond

EX • F/VS1 • IGI 828654438

Shape and cutting style on the report: Round brilliant

Certificate IGI 828654438

Diamond specifications and retailer prices

From £2,308 GBP
As of October 31, 2026
Save £4,419 GBP (66%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £6,727 GBP at NZ Jewellers · As of November 7, 2026
View at NZ Jewellers

About this 1.05ct natural round diamond

This 1.05ct natural round sits in the classic one-carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI 828654438. Listed at 18 retailers as of October 31, 2026, with prices from £2,308 to £6,727, a £4,419 spread on the same certified stone. NZ Jewellers lists it at £6,727. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.1°
Pavilion angle40.8°
OriginNatural
Grading LabIGI
CertificateIGI 828654438
Dimensions6.45 × 6.50 × 4.02 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
6.45 mm6.50 mm1.05 ctF / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 828654438
Side View
Table 59.0%Crown 36.1°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.1%

Caratlytics Score

How it works →
A
Excellent
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 31
Current: £6,727 GBP|Low: £2,308 GBP|High: £6,852 GBP|Avg: £3,169 GBP|+43.8%
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
November 7, 2026
Retailer 7£2,308 GBP
Retailer 15£2,312 GBP
Retailer 4£2,420 GBP
Retailer 10£2,486 GBP
Retailer 16£2,502 GBP
Retailer 18£2,570 GBP
Retailer 3£2,584 GBP
Retailer 9£2,695 GBP
Retailer 13£2,926 GBP
Retailer 5£2,974 GBP
Retailer 8£3,098 GBP
Retailer 6£3,299 GBP
Retailer 11£4,022 GBP
Retailer 14£4,097 GBP
Retailer 2£4,250 GBP
Retailer 17£4,474 GBP
Retailer 12£5,041 GBP
NZ Jewellers£6,727 GBP

13 data points across 18 retailers

18 retailers£2,308 GBP to £6,727 GBP

A
Cheapest Retailer
-
£2,308 GBP
A
Retailer 2
-
£2,312 GBP
View
A
Retailer 3
-
£2,420 GBP
View
A
Retailer 4
-
£2,486 GBP
View
A
Retailer 5
-
£2,502 GBP
View
Retailer 6
-
£2,570 GBP
View
Price last confirmed 6 days ago
A
Retailer 7
-
£2,584 GBP
View
Retailer 8
-
£2,695 GBP
View
Price last confirmed 9 days ago
A
Retailer 9
-
£2,926 GBP
View
A
Retailer 10
-
£2,974 GBP
View
Retailer 11
-
£3,098 GBP
View
Price last confirmed 7 days ago
B+
Retailer 12
-
£3,299 GBP
View
B
Retailer 13
-
£4,022 GBP
View
B
Retailer 14
-
£4,097 GBP
View
B
Retailer 15
-
£4,250 GBP
View
B+
Retailer 16
-
£4,474 GBP
View
B
Retailer 17
-
£5,041 GBP
View
Most Expensive
B
NZ Jewellers
97867403-5a64-4ec2-ae01-69994cde6154 · Nov 7
£6,727 GBP
$9,004 USD
View
17 more retailers have this diamond
Prices start from £2,308 GBPSave up to £4,419 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
1.05ct Round
£2,308 GBP