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Round|Natural|GIA

1.00ct I IF Round Natural Diamond

VG • I/IF • GIA 3525142954

Certificate GIA 3525142954

Diamond specifications and retailer prices

From £1,422 GBP
As of November 4, 2026
Save £2,625 GBP (65%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £4,047 GBP at NZ Jewellers · As of November 5, 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 IF clarity (flawless or internally-flawless), with a very-good cut grade and certified by GIA 3525142954. Listed at 21 retailers as of November 4, 2026, with prices from £1,422 to £4,047, a £2,625 spread on the same certified stone. NZ Jewellers lists it at £4,047. 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
I
Colour
IF
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceStrong
Crown angle38°
Pavilion angle40.2°
OriginNatural
Grading LabGIA
CertificateGIA 3525142954
Dimensions6.23 × 6.16 × 3.98 mm
L/W Ratio1.01
Star length50%
Lower girdle70%
Top View
6.23 mm6.16 mm1.00 ctI / IF
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceStrong
CertificateGIA 3525142954
Side View
Table 58.0%Crown 38°Girdle: STK-THKPavilion 40.2°Culet: NoneDepth 64.3%

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: Nov 4
Current: £1,866 GBP|Low: £1,422 GBP|High: £3,433 GBP|Avg: £2,148 GBP|-0.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 10£1,422 GBP
Retailer 6£1,730 GBP
Retailer 2£1,787 GBP
Retailer 8£1,788 GBP
Retailer 1£1,866 GBP
Retailer 9£2,079 GBP
Retailer 3£2,169 GBP
Retailer 5£2,253 GBP
Retailer 11£2,379 GBP
Retailer 7£2,407 GBP
Retailer 4£3,382 GBP

37 data points across 11 retailers

21 retailers£1,422 GBP to £4,047 GBP

A
Cheapest Retailer
-
£1,422 GBP
A
Retailer 2
-
£1,730 GBP
View
A
Retailer 3
-
£1,733 GBP
View
A
Retailer 4
-
£1,787 GBP
View
Final sale: no returns
A
Retailer 5
-
£1,788 GBP
View
A
Retailer 6
-
£1,866 GBP
View
A
Retailer 7
-
£1,936 GBP
View
Retailer 8
-
£1,981 GBP
View
Price last confirmed 9 days ago
A
Retailer 9
-
£2,010 GBP
View
A
Retailer 10
-
£2,062 GBP
View
B+
Retailer 11
-
£2,079 GBP
View
Retailer 12
-
£2,169 GBP
View
Price last confirmed 29 days ago
Retailer 13
-
£2,233 GBP
View
Price last confirmed 59 days ago
A
Retailer 14
-
£2,233 GBP
View
A
Retailer 15
-
£2,253 GBP
View
A
Retailer 16
-
£2,379 GBP
View
A
Retailer 17
-
£2,407 GBP
View
B+
Retailer 18
-
£2,742 GBP
View
B+
Retailer 19
-
£3,382 GBP
View
Retailer 20
-
£4,047 GBP
View
Price last confirmed 65 days ago
Most Expensive
B
NZ Jewellers
1bfebe5c-0d79-4783-9e2f-77b0fad05c25 · Nov 5
£4,047 GBP
$5,464 USD
View
20 more retailers have this diamond
Prices start from £1,422 GBPSave up to £2,625 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
1.00ct Round
£1,422 GBP