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Round|Natural|GIA

1.00ct K VVS1 Round Natural Diamond

VG • K/VVS1 • GIA 6451830795

Certificate GIA 6451830795

Diamond specifications and retailer prices

From £1,227 GBP
As of November 6, 2026
Save £2,239 GBP (65%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £3,465 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 K colour (faint-tinted) and VVS1 clarity (very-very-slightly-included), with a very-good cut grade and certified by GIA 6451830795. Listed at 19 retailers as of November 5, 2026, with prices from £1,227 to £3,465, a £2,239 spread on the same certified stone. NZ Jewellers lists it at £3,465. 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
K
Colour
VVS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle38°
Pavilion angle39.8°
OriginNatural
Grading LabGIA
CertificateGIA 6451830795
Dimensions6.24 × 6.15 × 4.05 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
6.24 mm6.15 mm1.00 ctK / VVS1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6451830795
Side View
Table 55.0%Crown 38°Girdle: STK-THKPavilion 39.8°Culet: NoneDepth 65.3%

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 6
Current: £3,465 GBP|Low: £1,217 GBP|High: £3,465 GBP|Avg: £1,864 GBP
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
November 6, 2026
Retailer 18£1,227 GBP
Retailer 14£1,239 GBP
Retailer 10£1,472 GBP
Retailer 5£1,497 GBP
Retailer 2£1,509 GBP
Retailer 4£1,658 GBP
Retailer 9£1,658 GBP
Retailer 6£1,664 GBP
Retailer 11£1,712 GBP
Retailer 7£1,734 GBP
Retailer 8£1,761 GBP
Retailer 12£1,791 GBP
Retailer 13£1,901 GBP
Retailer 3£1,912 GBP
Retailer 15£2,023 GBP
Retailer 16£2,057 GBP
Retailer 17£2,895 GBP
NZ Jewellers£3,465 GBP

26 data points across 18 retailers

19 retailers£1,227 GBP to £3,465 GBP

A
Cheapest Retailer
-
£1,227 GBP
A
Retailer 2
-
£1,239 GBP
View
A
Retailer 3
-
£1,472 GBP
View
A
Retailer 4
-
£1,497 GBP
View
A
Retailer 5
-
£1,509 GBP
View
A
Retailer 6
-
£1,607 GBP
View
Retailer 7
-
£1,658 GBP
View
Price last confirmed 8 days ago
A
Retailer 8
-
£1,658 GBP
View
B+
Retailer 9
-
£1,664 GBP
View
B+
Retailer 10
-
£1,712 GBP
View
B+
Retailer 11
-
£1,734 GBP
View
B+
Retailer 12
-
£1,761 GBP
View
B+
Retailer 13
-
£1,791 GBP
View
B+
Retailer 14
-
£1,901 GBP
View
B+
Retailer 15
-
£1,912 GBP
View
B+
Retailer 16
-
£2,023 GBP
View
B+
Retailer 17
-
£2,057 GBP
View
B
Retailer 18
-
£2,895 GBP
View
Most Expensive
B
NZ Jewellers
0851a0ff-98ab-4163-9512-b82955b11e6b · Nov 5
£3,465 GBP
$4,664 USD
View
18 more retailers have this diamond
Prices start from £1,227 GBPSave up to £2,239 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
£1,227 GBP