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Round|Natural|GIA

1.00ct I VS1 Round Natural Diamond

EX • I/VS1 • GIA 2233721345

Certificate GIA 2233721345

Diamond specifications and retailer prices

From £1,792 GBP
As of November 4, 2026
Save £2,322 GBP (56%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: £4,113 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 2233721345. Listed at 25 retailers as of November 2, 2026, with prices from £1,792 to £4,113, a £2,322 spread on the same certified stone. NZ Jewellers lists it at £4,113. 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 2233721345
Dimensions6.28 × 6.33 × 4.02 mm
L/W Ratio1.01
Girdle conditionSlightly Thick
Key to symbols
Cloud, Indented Natural, Pinpoint, Natural
Top View
6.28 mm6.33 mm1.00 ctI / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2233721345
Side View
Table 56.0%Crown 36.5°Girdle: THN-STKPavilion 41°Culet: NoneDepth 63.9%

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: £4,113 GBP|Low: £1,792 GBP|High: £4,243 GBP|Avg: £2,519 GBP|-3.1%
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
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Retailer 15
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Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
Retailer 23
November 4, 2026
Retailer 19£1,792 GBP
Retailer 15£1,913 GBP
Retailer 4£1,916 GBP
Retailer 9£1,947 GBP
Retailer 5£1,974 GBP
Retailer 3£1,978 GBP
Retailer 21£2,093 GBP
Retailer 11£2,139 GBP
Retailer 6£2,148 GBP
Retailer 17£2,204 GBP
Retailer 16£2,207 GBP
Retailer 18£2,222 GBP
Retailer 23£2,428 GBP
Retailer 7£2,437 GBP
Retailer 12£2,437 GBP
Retailer 22£2,468 GBP
Retailer 20£2,519 GBP
Retailer 8£2,594 GBP
Retailer 13£2,723 GBP
Retailer 10£2,799 GBP
Retailer 14£2,993 GBP
Retailer 2£3,938 GBP
NZ Jewellers£4,113 GBP

21 data points across 23 retailers

25 retailers£1,792 GBP to £4,113 GBP

A
Cheapest Retailer
-
£1,792 GBP
A
Retailer 2
-
£1,913 GBP
View
A
Retailer 3
-
£1,916 GBP
View
A
Retailer 4
-
£1,947 GBP
View
A
Retailer 5
-
£1,974 GBP
View
Final sale: no returns
A
Retailer 6
-
£1,978 GBP
View
A
Retailer 7
-
£2,093 GBP
View
A
Retailer 8
-
£2,139 GBP
View
A
Retailer 9
-
£2,148 GBP
View
A
Retailer 10
-
£2,204 GBP
View
A
Retailer 11
-
£2,207 GBP
View
A
Retailer 12
-
£2,222 GBP
View
A
Retailer 13
-
£2,428 GBP
View
A
Retailer 14
-
£2,437 GBP
View
A
Retailer 15
-
£2,437 GBP
View
B+
Retailer 16
-
£2,468 GBP
View
B+
Retailer 17
-
£2,519 GBP
View
B+
Retailer 18
-
£2,594 GBP
View
Retailer 19
-
£2,613 GBP
View
Price last confirmed 29 days ago
B+
Retailer 20
-
£2,723 GBP
View
B+
Retailer 21
-
£2,799 GBP
View
Retailer 22
-
£2,838 GBP
View
Price last confirmed 13 days ago
B+
Retailer 23
-
£2,993 GBP
View
B
Retailer 24
-
£3,938 GBP
View
Most Expensive
B
NZ Jewellers
b7053572-d308-40cf-aa43-294230ca745e · Nov 2
£4,113 GBP
$5,553 USD
View
24 more retailers have this diamond
Prices start from £1,792 GBPSave up to £2,322 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
£1,792 GBP