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Round|Natural|GIA

1.00ct K VS1 Round Natural Diamond

VG • K/VS1 • GIA 6551861654

Certificate GIA 6551861654

Diamond specifications and retailer prices

From £1,094 GBP
As of November 6, 2026
Save £2,455 GBP (69%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £3,549 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 VS1 clarity (very-slightly-included), with a very-good cut grade and certified by GIA 6551861654. Listed at 17 retailers as of November 5, 2026, with prices from £1,094 to £3,549, a £2,455 spread on the same certified stone. NZ Jewellers lists it at £3,549. 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
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle38°
Pavilion angle40.4°
OriginNatural
Grading LabGIA
CertificateGIA 6551861654
Dimensions6.25 × 6.21 × 4.01 mm
L/W Ratio1.01
Top View
6.25 mm6.21 mm1.00 ctK / VS1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6551861654
Side View
Table 58.0%Crown 38°Girdle: MED-THKPavilion 40.4°Culet: NoneDepth 64.3%

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: £1,100 GBP|Low: £1,084 GBP|High: £2,580 GBP|Avg: £1,602 GBP|-3.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 8£1,094 GBP
Retailer 1£1,100 GBP
Retailer 2£1,314 GBP
Retailer 10£1,486 GBP
Retailer 9£1,522 GBP
Retailer 3£1,562 GBP
Retailer 4£1,679 GBP
Retailer 5£1,776 GBP
Retailer 7£1,979 GBP
Retailer 6£2,542 GBP

34 data points across 10 retailers

17 retailers£1,094 GBP to £3,549 GBP

A
Cheapest Retailer
-
£1,094 GBP
A
Retailer 2
-
£1,100 GBP
View
A
Retailer 3
-
£1,314 GBP
View
Retailer 4
-
£1,455 GBP
View
Price last confirmed 8 days ago
B+
Retailer 5
-
£1,455 GBP
View
B+
Retailer 6
-
£1,486 GBP
View
B+
Retailer 7
-
£1,522 GBP
View
Retailer 8
-
£1,523 GBP
View
Price last confirmed 10 days ago
B+
Retailer 9
-
£1,557 GBP
View
B+
Retailer 10
-
£1,562 GBP
View
B+
Retailer 11
-
£1,679 GBP
View
B+
Retailer 12
-
£1,679 GBP
View
B+
Retailer 13
-
£1,776 GBP
View
B+
Retailer 14
-
£1,979 GBP
View
B
Retailer 15
-
£2,118 GBP
View
B
Retailer 16
-
£2,542 GBP
View
Most Expensive
C
NZ Jewellers
4c4533b6-0ac8-4ccc-9fd8-43834713ba97 · Nov 5
£3,549 GBP
$4,776 USD
View
16 more retailers have this diamond
Prices start from £1,094 GBPSave up to £2,455 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
£1,094 GBP