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Cushion|Lab Grown|IGI

1.45ct F VS1 Cushion Lab Grown Diamond

EX • F/VS1 • IGI LG618405017

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG618405017

Diamond specifications and retailer prices

From £167 GBP
$224 USD
As of November 1, 2026
Save £1,264 GBP (88%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £1,431 GBP at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 1.45ct lab-grown cushion diamond

This 1.45ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG618405017 or 618405017. Listed at 7 retailers as of November 1, 2026, with prices from £167 to £1,431, a £1,264 spread on the same certified stone. Do Amore Diamonds lists it at £1,431. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.45
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG618405017
Dimensions6.51 × 6.49 × 4.33 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.51 mm6.49 mm1.45 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG618405017
Side View
Table 60.0%Crown 33.8°Girdle: STK-THKPavilion 39.1°Culet: NoneDepth 66.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £1,431 GBP|Low: £124 GBP|High: £1,461 GBP|Avg: £606 GBP|-2.0%
Do Amore Diamonds
Retailer 2
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Retailer 5
Retailer 6
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Retailer 14
November 2, 2026
Retailer 11£167 GBP
Retailer 10£321 GBP
Retailer 4£363 GBP
Retailer 12£366 GBP
Retailer 2£376 GBP
Retailer 3£432 GBP
Retailer 14£476 GBP
Retailer 8£498 GBP
Retailer 9£578 GBP
Retailer 6£661 GBP
Retailer 7£817 GBP
Retailer 13£829 GBP
Retailer 5£954 GBP
Do Amore Diamonds£1,431 GBP

19 data points across 14 retailers

7 retailers£167 GBP to £1,431 GBP

A
Cheapest Retailer
-
£167 GBP
$224 USD
Final sale: no returns
B+
Retailer 2
-
£321 GBP
$431 USD
View
A
Retailer 3
-
£376 GBP
$505 USD
View
B+
Retailer 4
-
£498 GBP
A$1,029 AUD
View
B+
Retailer 5
-
£578 GBP
$775 USD
View
B
Retailer 6
-
£817 GBP
View
Most Expensive
B
Do Amore Diamonds
27-5F5ADE025 · Nov 2
£1,431 GBP
$1,920 USD
View
6 more retailers have this diamond
Prices start from £167 GBPSave up to £1,264 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
1.45ct Cushion
£167 GBP