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Round|Natural|GIA

1.00ct I VS1 Round Natural Diamond

EX • I/VS1 • GIA 7448315548

Certificate GIA 7448315548

Diamond specifications and retailer prices

From £2,974 GBP
As of November 3, 2026
Save £1,247 GBP (30%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: £6,799 GBP at NZ Jewellers · As of September 27, 2026
View at NZ Jewellers

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 7448315548. Listed at 25 retailers as of November 2, 2026, with a 42% 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
I
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 7448315548
Dimensions6.38 × 6.36 × 3.98 mm
L/W Ratio1.00
Star length50%
Lower girdle75%
Top View
6.38 mm6.36 mm1.00 ctI / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7448315548
Side View
Table 59.0%Crown 35.5°Girdle: Sli. ThickPavilion 41.2°Culet: NoneDepth 62.5%

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 3
Current: £4,198 GBP|Low: £2,874 GBP|High: £6,552 GBP|Avg: £4,015 GBP|+11.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 15
Retailer 16
Retailer 17
Retailer 18
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Retailer 20
November 4, 2026
Retailer 13£2,974 GBP
Retailer 19£3,116 GBP
Retailer 15£3,173 GBP
Retailer 8£3,212 GBP
Retailer 18£3,407 GBP
Retailer 6£3,467 GBP
Retailer 14£3,567 GBP
Retailer 7£3,649 GBP
Retailer 11£3,933 GBP
Retailer 16£3,933 GBP
Retailer 20£4,067 GBP
Retailer 2£4,093 GBP
Retailer 10£4,173 GBP
Retailer 1£4,198 GBP
Retailer 12£4,222 GBP
Retailer 4£4,485 GBP
Retailer 5£4,487 GBP
Retailer 9£4,719 GBP
Retailer 3£4,901 GBP
Retailer 17£6,535 GBP

41 data points across 20 retailers

25 retailers£2,974 GBP to £4,222 GBP

B+
Cheapest Retailer
-
£2,974 GBP
Retailer 2
-
£3,117 GBP
View
Price last confirmed 101 days ago
B+
Retailer 3
-
£3,173 GBP
View
Retailer 4
-
£3,212 GBP
View
Price last confirmed 29 days ago
B+
Retailer 5
-
£3,313 GBP
View
B+
Retailer 6
-
£3,407 GBP
View
B
Retailer 7
-
£3,567 GBP
View
Retailer 8
-
£3,567 GBP
View
Price last confirmed 15 days ago
Retailer 9
-
£3,682 GBP
View
Price last confirmed 28 days ago
Retailer 10
-
£3,682 GBP
View
Price last confirmed 28 days ago
Retailer 11
-
£3,682 GBP
View
Price last confirmed 37 days ago
B
Retailer 12
-
£3,933 GBP
View
B
Retailer 13
-
£3,933 GBP
View
B
Retailer 14
-
£4,067 GBP
View
Retailer 15
-
£4,093 GBP
View
Price last confirmed 32 days ago
Retailer 16
-
£4,173 GBP
View
Price last confirmed 28 days ago
B
Retailer 17
-
£4,198 GBP
View
B
Retailer 18
-
£4,222 GBP
View
Retailer 19
-
£4,249 GBP
View
Price last confirmed 37 days ago
Retailer 20
-
£4,485 GBP
View
Price last confirmed 28 days ago
Retailer 21
-
£4,487 GBP
View
Price last confirmed 29 days ago
Retailer 22
-
£4,719 GBP
View
Price last confirmed 28 days ago
Retailer 23
-
£4,901 GBP
View
Price last confirmed 36 days ago
Retailer 24
-
£6,535 GBP
View
Price last confirmed 28 days ago
Most Expensive
NZ Jewellers
a6b7a006-2999-4dc8-a087-1aa374c0f16b · Sep 27
£6,799 GBP
$9,178 USD
View
Price last confirmed 38 days ago
24 more retailers have this diamond
Prices start from £2,974 GBPSave up to £1,247 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
£2,974 GBP