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Round|Natural|GIA

1.00ct K VS1 Round Natural Diamond

EX • K/VS1 • GIA 1545833640

Certificate GIA 1545833640

Diamond specifications and retailer prices

From £1,245 GBP
As of November 6, 2026
Save £1,680 GBP (57%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £3,880 GBP at NZ Jewellers · As of September 28, 2026
View at NZ Jewellers

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded K colour (faint-tinted) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 1545833640. Listed at 17 retailers as of November 4, 2026, with a 135% 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
K
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1545833640
Dimensions6.38 × 6.34 × 3.94 mm
L/W Ratio1.01
Key to symbols
Indented Natural, Pinpoint
Top View
6.38 mm6.34 mm1.00 ctK / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1545833640
Side View
Table 59.0%CrownGirdlePavilionCulet: NoneDepth 62.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £1,557 GBP|Low: £1,236 GBP|High: £3,290 GBP|Avg: £1,890 GBP|-11.3%
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
November 6, 2026
Retailer 12£1,245 GBP
Retailer 5£1,468 GBP
Retailer 4£1,512 GBP
Retailer 1£1,557 GBP
Retailer 2£1,584 GBP
Retailer 13£1,679 GBP
Retailer 6£1,730 GBP
Retailer 3£1,777 GBP
Retailer 7£1,808 GBP
Retailer 8£1,920 GBP
Retailer 10£2,042 GBP
Retailer 9£2,073 GBP
Retailer 11£2,925 GBP

33 data points across 13 retailers

17 retailers£1,245 GBP to £2,925 GBP

A
Cheapest Retailer
-
£1,245 GBP
A
Retailer 2
-
£1,468 GBP
View
A
Retailer 3
-
£1,512 GBP
View
A
Retailer 4
-
£1,557 GBP
View
B+
Retailer 5
-
£1,584 GBP
View
B+
Retailer 6
-
£1,679 GBP
View
B+
Retailer 7
-
£1,730 GBP
View
B+
Retailer 8
-
£1,777 GBP
View
B+
Retailer 9
-
£1,808 GBP
View
Retailer 10
-
£1,856 GBP
View
Price last confirmed 36 days ago
B+
Retailer 11
-
£1,920 GBP
View
Retailer 12
-
£1,941 GBP
View
Price last confirmed 38 days ago
B+
Retailer 13
-
£2,042 GBP
View
B+
Retailer 14
-
£2,073 GBP
View
Retailer 15
-
£2,141 GBP
View
Price last confirmed 38 days ago
B
Retailer 16
-
£2,925 GBP
View
Most Expensive
NZ Jewellers
e81d2219-2b84-4050-b8f0-baac07927fdb · Sep 28
£3,880 GBP
$5,222 USD
View
Price last confirmed 39 days ago
16 more retailers have this diamond
Prices start from £1,245 GBPSave up to £1,680 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
£1,245 GBP