CaratHunter
Plans
Cushion|Natural|IGI

1.51ct K VS1 Cushion Natural Diamond

VG • K/VS1 • IGI 717504390

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI 717504390

Diamond specifications and retailer prices

From £1,857 GBP
As of November 5, 2026
Save £1,777 GBP (49%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £3,634 GBP at MOH London · As of November 2, 2026
View at MOH London

About this 1.51ct natural cushion diamond

This 1.51ct natural cushion sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI 717504390. Listed at 11 retailers as of November 2, 2026, with prices from £1,857 to £3,634, a £1,777 spread on the same certified stone. MOH London lists it at £3,634. 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

1.51
Carat
K
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.7°
Pavilion angle30.1°
OriginNatural
Grading LabIGI
CertificateIGI 717504390
Dimensions6.39 × 5.96 × 4.17 mm
L/W Ratio1.07
Girdle conditionFaceted
Culet sizePointed
Top View
6.39 mm5.96 mm1.51 ctK / VS1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 717504390
Side View
Table 61.0%Crown 39.7°Girdle: STK-VTKPavilion 30.1°Culet: NoneDepth 70.0%

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: £3,634 GBP|Low: £1,857 GBP|High: £3,679 GBP|Avg: £2,264 GBP|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 9£1,857 GBP
Retailer 6£1,883 GBP
Retailer 2£1,944 GBP
Retailer 8£2,036 GBP
Retailer 7£2,075 GBP
Retailer 4£2,221 GBP
Retailer 3£2,415 GBP
Retailer 5£2,532 GBP
MOH London£3,634 GBP

37 data points across 9 retailers

11 retailers£1,857 GBP to £3,634 GBP

A
Cheapest Retailer
-
£1,857 GBP
A
Retailer 2
-
£1,883 GBP
View
A
Retailer 3
-
£1,944 GBP
View
A
Retailer 4
-
£1,978 GBP
View
B+
Retailer 5
-
£2,036 GBP
View
Retailer 6
-
£2,075 GBP
View
Price last confirmed 21 days ago
B+
Retailer 7
-
£2,180 GBP
View
A
Retailer 8
-
£2,221 GBP
View
B+
Retailer 9
-
£2,415 GBP
View
B+
Retailer 10
-
£2,532 GBP
View
Most Expensive
B
MOH London
D89389D61 · Nov 2
£3,634 GBP
View
10 more retailers have this diamond
Prices start from £1,857 GBPSave up to £1,777 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
1.51ct Cushion
£1,857 GBP