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Round|Natural|IGI

1.01ct K VS1 Round Natural Diamond

VG • K/VS1 • IGI 587305987

Shape and cutting style on the report: Round brilliant

Certificate IGI 587305987

Diamond specifications and retailer prices

From £1,010 GBP
As of November 5, 2026
Save £1,649 GBP (62%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £2,659 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.01ct natural round diamond

This 1.01ct 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 IGI 587305987. Listed at 16 retailers as of November 5, 2026, with prices from £1,010 to £2,659, a £1,649 spread on the same certified stone. NZ Jewellers lists it at £2,659. 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

1.01
Carat
K
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.7°
Pavilion angle41.7°
OriginNatural
Grading LabIGI
CertificateIGI 587305987
Dimensions6.37 × 6.31 × 4.06 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
Faint Brown
Top View
6.37 mm6.31 mm1.01 ctK / VS1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 587305987
Side View
Table 58.0%Crown 36.7°Girdle: MED-STKPavilion 41.7°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 5
Current: £2,659 GBP|Low: £1,005 GBP|High: £2,659 GBP|Avg: £1,311 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
November 6, 2026
Retailer 3£1,010 GBP
Retailer 2£1,014 GBP
Retailer 13£1,025 GBP
Retailer 4£1,090 GBP
Retailer 7£1,090 GBP
Retailer 6£1,140 GBP
Retailer 5£1,159 GBP
Retailer 8£1,210 GBP
Retailer 15£1,258 GBP
Retailer 9£1,273 GBP
Retailer 11£1,331 GBP
Retailer 10£1,438 GBP
Retailer 12£1,513 GBP
Retailer 14£1,909 GBP
NZ Jewellers£2,659 GBP

33 data points across 15 retailers

16 retailers£1,010 GBP to £2,659 GBP

A
Cheapest Retailer
-
£1,010 GBP
A
Retailer 2
-
£1,014 GBP
View
A
Retailer 3
-
£1,025 GBP
View
A
Retailer 4
-
£1,090 GBP
View
Retailer 5
-
£1,090 GBP
View
Price last confirmed 8 days ago
Retailer 6
-
£1,121 GBP
View
Price last confirmed 13 days ago
A
Retailer 7
-
£1,140 GBP
View
A
Retailer 8
-
£1,159 GBP
View
A
Retailer 9
-
£1,210 GBP
View
B+
Retailer 10
-
£1,258 GBP
View
A
Retailer 11
-
£1,273 GBP
View
B+
Retailer 12
-
£1,331 GBP
View
A
Retailer 13
-
£1,438 GBP
View
B+
Retailer 14
-
£1,513 GBP
View
B+
Retailer 15
-
£1,909 GBP
View
Most Expensive
B
NZ Jewellers
a7bf6d4b-ec8e-43a4-8a92-0e3aebc4fde2 · Nov 5
£2,659 GBP
$3,579 USD
View
15 more retailers have this diamond
Prices start from £1,010 GBPSave up to £1,649 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
1.01ct Round
£1,010 GBP