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Round|Natural|GIA

1.00ct K VS1 Round Natural Diamond

GD • K/VS1 • GIA 2537300197

Certificate GIA 2537300197

Diamond specifications and retailer prices

From £903 GBP
As of November 5, 2026
Save £1,959 GBP (68%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £2,863 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 standard cut grade and certified by GIA 2537300197. Listed at 17 retailers as of November 5, 2026, with prices from £903 to £2,863, a £1,959 spread on the same certified stone. NZ Jewellers lists it at £2,863. 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
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle40°
Pavilion angle40.4°
OriginNatural
Grading LabGIA
CertificateGIA 2537300197
Dimensions6.09 × 6.01 × 4.04 mm
L/W Ratio1.01
Top View
6.09 mm6.01 mm1.00 ctK / VS1
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2537300197
Side View
Table 58.0%Crown 40°Girdle: THK-VTKPavilion 40.4°Culet: NoneDepth 67.2%

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: £2,863 GBP|Low: £865 GBP|High: £2,947 GBP|Avg: £1,304 GBP|-2.8%
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
November 6, 2026
Retailer 15£903 GBP
Retailer 12£981 GBP
Retailer 7£984 GBP
Retailer 3£986 GBP
Retailer 9£1,036 GBP
Retailer 8£1,047 GBP
Retailer 17£1,063 GBP
Retailer 6£1,085 GBP
Retailer 5£1,112 GBP
Retailer 2£1,137 GBP
Retailer 14£1,227 GBP
Retailer 10£1,294 GBP
Retailer 13£1,406 GBP
Retailer 16£1,432 GBP
Retailer 11£1,516 GBP
Retailer 4£1,997 GBP
NZ Jewellers£2,863 GBP

25 data points across 17 retailers

17 retailers£903 GBP to £2,863 GBP

A
Cheapest Retailer
-
£903 GBP
A
Retailer 2
-
£981 GBP
View
Final sale: no returns
A
Retailer 3
-
£984 GBP
View
A
Retailer 4
-
£986 GBP
View
Retailer 5
-
£1,036 GBP
View
Price last confirmed 8 days ago
A
Retailer 6
-
£1,047 GBP
View
A
Retailer 7
-
£1,063 GBP
View
B+
Retailer 8
-
£1,085 GBP
View
B+
Retailer 9
-
£1,112 GBP
View
B+
Retailer 10
-
£1,137 GBP
View
B+
Retailer 11
-
£1,227 GBP
View
B+
Retailer 12
-
£1,294 GBP
View
B+
Retailer 13
-
£1,406 GBP
View
B+
Retailer 14
-
£1,432 GBP
View
B+
Retailer 15
-
£1,516 GBP
View
B
Retailer 16
-
£1,997 GBP
View
Most Expensive
B
NZ Jewellers
3fee0221-4559-4d5f-883a-755b6307c27a · Nov 5
£2,863 GBP
$3,853 USD
View
16 more retailers have this diamond
Prices start from £903 GBPSave up to £1,959 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
£903 GBP