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Cushion|Lab Grown|IGI

1.45ct F VS1 Cushion Lab Grown Diamond

EX • F/VS1 • IGI LG617427810

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG617427810

Diamond specifications and retailer prices

From £278 GBP
As of November 2, 2026
Save £1,354 GBP (83%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £1,632 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 LG617427810 or 617427810. Listed at 10 retailers as of November 2, 2026, with prices from £278 to £1,632, a £1,354 spread on the same certified stone. Do Amore Diamonds lists it at £1,632. 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
SymmetryVery Good
FluorescenceNone
Crown angle31.5°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG617427810
Dimensions6.62 × 6.55 × 4.32 mm
L/W Ratio1.01
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
6.62 mm6.55 mm1.45 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG617427810
Side View
Table 61.0%Crown 31.5°Girdle: MED-THKPavilion 39.8°Culet: NoneDepth 66.0%

Caratlytics Score

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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 2
Current: £1,632 GBP|Low: £278 GBP|High: £1,632 GBP|Avg: £581 GBP
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 2£278 GBP
Retailer 6£352 GBP
Retailer 8£357 GBP
Retailer 9£396 GBP
Retailer 4£401 GBP
Retailer 3£442 GBP
Retailer 7£600 GBP
Retailer 5£930 GBP
Do Amore Diamonds£1,632 GBP

43 data points across 9 retailers

10 retailers£278 GBP to £1,632 GBP

A
Cheapest Retailer
-
£278 GBP
A
Retailer 2
-
£352 GBP
$473 USD
View
A
Retailer 3
-
£357 GBP
$479 USD
View
A
Retailer 4
-
£396 GBP
$532 USD
View
A
Retailer 5
-
£401 GBP
ZAR 8,692 ZAR
View
B+
Retailer 6
-
£442 GBP
View
Retailer 7
-
£600 GBP
$805 USD
View
Price last confirmed 12 days ago
B
Retailer 8
-
£874 GBP
$1,172 USD
View
B
Retailer 9
-
£930 GBP
View
Most Expensive
B
Do Amore Diamonds
27-57E68D2BE · Nov 2
£1,632 GBP
$2,190 USD
View
9 more retailers have this diamond
Prices start from £278 GBPSave up to £1,354 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
£278 GBP