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Round|Natural|GIA

1.00ct I VS1 Round Natural Diamond

EX • I/VS1 • GIA 6542421319

Certificate GIA 6542421319

Diamond specifications and retailer prices

From £1,877 GBP
As of November 1, 2026
Save £2,600 GBP (58%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: £4,477 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 6542421319. Listed at 25 retailers as of November 1, 2026, with prices from £1,877 to £4,477, a £2,600 spread on the same certified stone. NZ Jewellers lists it at £4,477. 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 angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6542421319
Dimensions6.31 × 6.35 × 4.02 mm
L/W Ratio1.01
Girdle conditionSlightly Thick
Key to symbols
Feather, Needle, Cloud
Top View
6.31 mm6.35 mm1.00 ctI / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6542421319
Side View
Table 56.0%Crown 36.5°Girdle: Slightly ThickPavilion 41°Culet: NoneDepth 63.4%

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: £4,477 GBP|Low: £1,858 GBP|High: £4,477 GBP|Avg: £2,577 GBP|+3.7%
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 11£1,877 GBP
Retailer 14£1,944 GBP
Retailer 21£2,084 GBP
Retailer 5£2,114 GBP
Retailer 20£2,146 GBP
Retailer 22£2,148 GBP
Retailer 12£2,244 GBP
Retailer 16£2,245 GBP
Retailer 13£2,259 GBP
Retailer 7£2,328 GBP
Retailer 15£2,331 GBP
Retailer 19£2,400 GBP
Retailer 18£2,642 GBP
Retailer 3£2,644 GBP
Retailer 8£2,644 GBP
Retailer 17£2,686 GBP
Retailer 2£2,733 GBP
Retailer 4£2,824 GBP
Retailer 23£2,991 GBP
Retailer 10£3,046 GBP
Retailer 6£3,050 GBP
Retailer 9£4,144 GBP
NZ Jewellers£4,477 GBP

23 data points across 23 retailers

25 retailers£1,877 GBP to £4,477 GBP

A
Cheapest Retailer
-
£1,877 GBP
A
Retailer 2
-
£1,944 GBP
View
A
Retailer 3
-
£2,084 GBP
View
A
Retailer 4
-
£2,114 GBP
View
A
Retailer 5
-
£2,146 GBP
View
A
Retailer 6
-
£2,148 GBP
View
Final sale: no returns
A
Retailer 7
-
£2,244 GBP
View
A
Retailer 8
-
£2,245 GBP
View
A
Retailer 9
-
£2,259 GBP
View
A
Retailer 10
-
£2,328 GBP
View
A
Retailer 11
-
£2,331 GBP
View
A
Retailer 12
-
£2,400 GBP
View
B+
Retailer 13
-
£2,642 GBP
View
B+
Retailer 14
-
£2,644 GBP
View
B+
Retailer 15
-
£2,644 GBP
View
Retailer 16
-
£2,659 GBP
View
Price last confirmed 28 days ago
B+
Retailer 17
-
£2,686 GBP
View
B+
Retailer 18
-
£2,733 GBP
View
B+
Retailer 19
-
£2,824 GBP
View
Retailer 20
-
£2,886 GBP
View
Price last confirmed 12 days ago
B+
Retailer 21
-
£2,991 GBP
View
B+
Retailer 22
-
£3,046 GBP
View
B+
Retailer 23
-
£3,050 GBP
View
B
Retailer 24
-
£4,144 GBP
View
Most Expensive
B
NZ Jewellers
a6580a91-e9b9-4422-8219-885fa2745670 · Nov 2
£4,477 GBP
$6,044 USD
View
24 more retailers have this diamond
Prices start from £1,877 GBPSave up to £2,600 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
£1,877 GBP