CaratHunter
Plans
Cushion|Lab Grown|IGI

1.54ct F VS1 Cushion Lab Grown Diamond

VG • F/VS1 • IGI LG677545636

Shape and cutting style on the report: Cushion mixed cut

Certificate IGI LG677545636

Diamond specifications and retailer prices

From £410 GBP
As of November 4, 2026
Save £1,486 GBP (78%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £1,896 GBP at MOH London · As of November 3, 2026
View at MOH London

About this 1.54ct lab-grown cushion diamond

This 1.54ct lab-grown cushion sits in the one-and-a-half to two carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG677545636 or 677545636. Listed at 16 retailers as of November 3, 2026, with prices from £410 to £1,896, a £1,486 spread on the same certified stone. MOH London lists it at £1,896. 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

1.54
Carat
F
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.2°
Pavilion angle45°
OriginLab Grown
Grading LabIGI
CertificateIGI LG677545636
Dimensions8.49 × 5.64 × 3.97 mm
L/W Ratio1.51
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.49 mm5.64 mm1.54 ctF / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG677545636
Side View
Table 59.0%Crown 31.2°Girdle: THK-VTKPavilion 45°Culet: NoneDepth 70.4%

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 4
Current: £1,896 GBP|Low: £410 GBP|High: £1,985 GBP|Avg: £979 GBP|-4.5%
MOH London
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 5, 2026
Retailer 5£410 GBP
Retailer 12£454 GBP
Retailer 14£463 GBP
Retailer 15£557 GBP
Retailer 4£628 GBP
Retailer 13£707 GBP
Retailer 8£747 GBP
Retailer 10£783 GBP
Retailer 11£862 GBP
Retailer 2£1,061 GBP
Retailer 3£1,325 GBP
Retailer 7£1,479 GBP
Retailer 6£1,581 GBP
Retailer 9£1,583 GBP
MOH London£1,896 GBP

44 data points across 15 retailers

16 retailers£410 GBP to £1,896 GBP

A
Cheapest Retailer
-
£410 GBP
Final sale: no returns
Retailer 2
-
£454 GBP
View
Price last confirmed 21 days ago
A
Retailer 3
-
£463 GBP
View
B+
Retailer 4
-
£557 GBP
View
B+
Retailer 5
-
£628 GBP
View
B+
Retailer 6
-
£707 GBP
View
B+
Retailer 7
-
£747 GBP
View
B
Retailer 8
-
£783 GBP
View
Retailer 9
-
£862 GBP
View
Price last confirmed 18 days ago
B
Retailer 10
-
£1,061 GBP
View
B
Retailer 11
-
£1,325 GBP
View
B
Retailer 12
-
£1,479 GBP
View
B
Retailer 13
-
£1,581 GBP
View
B
Retailer 14
-
£1,583 GBP
View
B
Retailer 15
-
£1,653 GBP
View
Most Expensive
B
MOH London
LG677545636 · Nov 3
£1,896 GBP
View
15 more retailers have this diamond
Prices start from £410 GBPSave up to £1,486 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
1.54ct Cushion
£410 GBP