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Cushion|Lab Grown|IGI

1.45ct F VS1 Cushion Lab Grown Diamond

EX • F/VS1 • IGI LG589399942

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG589399942

Diamond specifications and retailer prices

From £172 GBP
$231 USD
As of November 1, 2026
Save £1,229 GBP (88%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £1,401 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 LG589399942 or 589399942. Listed at 6 retailers as of November 1, 2026, with prices from £172 to £1,401, a £1,229 spread on the same certified stone. Do Amore Diamonds lists it at £1,401. 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 angle34.4°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG589399942
Dimensions8.08 × 5.86 × 3.92 mm
L/W Ratio1.38
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
8.08 mm5.86 mm1.45 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG589399942
Side View
Table 61.0%Crown 34.4°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 66.9%

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 1
Current: £1,401 GBP|Low: £124 GBP|High: £1,475 GBP|Avg: £591 GBP|-5.1%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 7£172 GBP
Retailer 6£316 GBP
Retailer 8£353 GBP
Retailer 12£385 GBP
Retailer 11£430 GBP
Retailer 10£474 GBP
Retailer 5£488 GBP
Retailer 3£557 GBP
Retailer 9£790 GBP
Retailer 2£801 GBP
Retailer 4£840 GBP
Do Amore Diamonds£1,401 GBP

16 data points across 12 retailers

6 retailers£172 GBP to £1,401 GBP

A
Cheapest Retailer
-
£172 GBP
$231 USD
Final sale: no returns
B+
Retailer 2
-
£316 GBP
$424 USD
View
B+
Retailer 3
-
£488 GBP
A$1,008 AUD
View
Retailer 4
-
£510 GBP
A$1,053 AUD
View
Price last confirmed 36 days ago
B
Retailer 5
-
£801 GBP
View
Most Expensive
B
Do Amore Diamonds
27-4804EB628 · Nov 2
£1,401 GBP
$1,880 USD
View
5 more retailers have this diamond
Prices start from £172 GBPSave up to £1,229 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
£172 GBP