CaratHunter
Plans
Round|Natural|GIA

1.00ct I VS1 Round Natural Diamond

EX • I/VS1 • GIA 2544392739

Certificate GIA 2544392739

Diamond specifications and retailer prices

From £1,802 GBP
As of November 1, 2026
Save £2,201 GBP (55%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: £4,002 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 I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 2544392739. Listed at 25 retailers as of November 1, 2026, with prices from £1,802 to £4,002, a £2,201 spread on the same certified stone. NZ Jewellers lists it at £4,002. 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
FluorescenceNone
Crown angle36.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2544392739
Dimensions6.31 × 6.34 × 4.00 mm
L/W Ratio1.00
Top View
6.31 mm6.34 mm1.00 ctI / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2544392739
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 63.2%

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 1
Current: £4,002 GBP|Low: £1,782 GBP|High: £4,150 GBP|Avg: £2,520 GBP|-3.6%
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
Retailer 19
Retailer 20
Retailer 21
Retailer 22
Retailer 23
November 4, 2026
Retailer 12£1,802 GBP
Retailer 20£1,864 GBP
Retailer 14£1,867 GBP
Retailer 5£1,896 GBP
Retailer 21£1,921 GBP
Retailer 19£1,927 GBP
Retailer 13£2,041 GBP
Retailer 8£2,082 GBP
Retailer 23£2,089 GBP
Retailer 16£2,149 GBP
Retailer 15£2,231 GBP
Retailer 18£2,362 GBP
Retailer 3£2,370 GBP
Retailer 9£2,370 GBP
Retailer 17£2,402 GBP
Retailer 2£2,452 GBP
Retailer 4£2,524 GBP
Retailer 22£2,653 GBP
Retailer 6£2,724 GBP
Retailer 11£2,915 GBP
Retailer 7£2,946 GBP
Retailer 10£3,966 GBP
NZ Jewellers£4,002 GBP

25 data points across 23 retailers

25 retailers£1,802 GBP to £4,002 GBP

A
Cheapest Retailer
-
£1,802 GBP
A
Retailer 2
-
£1,864 GBP
View
A
Retailer 3
-
£1,867 GBP
View
A
Retailer 4
-
£1,896 GBP
View
A
Retailer 5
-
£1,921 GBP
View
Final sale: no returns
A
Retailer 6
-
£1,927 GBP
View
A
Retailer 7
-
£2,041 GBP
View
A
Retailer 8
-
£2,082 GBP
View
A
Retailer 9
-
£2,089 GBP
View
A
Retailer 10
-
£2,149 GBP
View
A
Retailer 11
-
£2,231 GBP
View
A
Retailer 12
-
£2,362 GBP
View
A
Retailer 13
-
£2,370 GBP
View
A
Retailer 14
-
£2,370 GBP
View
A
Retailer 15
-
£2,402 GBP
View
B+
Retailer 16
-
£2,452 GBP
View
B+
Retailer 17
-
£2,524 GBP
View
B+
Retailer 18
-
£2,653 GBP
View
Retailer 19
-
£2,653 GBP
View
Price last confirmed 31 days ago
B+
Retailer 20
-
£2,724 GBP
View
Retailer 21
-
£2,764 GBP
View
Price last confirmed 12 days ago
B+
Retailer 22
-
£2,915 GBP
View
B+
Retailer 23
-
£2,946 GBP
View
B
Retailer 24
-
£3,966 GBP
View
Most Expensive
B
NZ Jewellers
4f1cf7f5-c020-4399-a37d-d01710454034 · Nov 2
£4,002 GBP
$5,403 USD
View
24 more retailers have this diamond
Prices start from £1,802 GBPSave up to £2,201 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
£1,802 GBP