Round|Lab Grown|IGI

1.45ct E VS1 Round Lab Grown Diamond

ID • E/VS1 • IGI LG733545857

Shape and cutting style on the report: Round brilliant

Certificate IGI LG733545857

Diamond specifications and retailer prices

From £161 GBP
$216 USD
As of October 29, 2026
Save £802 GBP (83%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £963 GBP at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.45ct lab-grown round diamond

This 1.45ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG733545857 or 733545857. Listed at 18 retailers as of October 28, 2026, with prices from £161 to £963, a £802 spread on the same certified stone. Brilliant Earth lists it at £963. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.45
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG733545857
Dimensions7.33 × 7.27 × 4.45 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.33 mm7.27 mm1.45 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG733545857
Side View
Table 59.0%Crown 33.1°Girdle: MediumPavilion 41.2°Culet: NoneDepth 60.8%

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: Oct 29
Current: £963 GBP|Low: £152 GBP|High: £1,015 GBP|Avg: £420 GBP|-5.1%
Brilliant Earth
Retailer 2
Retailer 3
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Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
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Retailer 17
Retailer 18
October 30, 2026
Retailer 6£161 GBP
Retailer 2£178 GBP
Retailer 4£187 GBP
Retailer 9£200 GBP
Retailer 18£200 GBP
Retailer 12£332 GBP
Retailer 11£340 GBP
Retailer 16£344 GBP
Retailer 15£362 GBP
Retailer 13£366 GBP
Retailer 8£388 GBP
Retailer 7£405 GBP
Retailer 17£489 GBP
Retailer 10£643 GBP
Retailer 5£646 GBP
Retailer 14£676 GBP
Retailer 3£803 GBP
Brilliant Earth£963 GBP

29 data points across 18 retailers

18 retailers£161 GBP to £963 GBP

A
Cheapest Retailer
-
£161 GBP
$216 USD
A
Retailer 2
-
£178 GBP
$239 USD
View
Final sale: no returns
A
Retailer 3
-
£187 GBP
$251 USD
View
A
Retailer 4
-
£200 GBP
$268 USD
View
A
Retailer 5
-
£200 GBP
$268 USD
View
A
Retailer 6
-
£332 GBP
View
A
Retailer 7
-
£340 GBP
$455 USD
View
A
Retailer 8
-
£344 GBP
ZAR 7,443 ZAR
View
A
Retailer 9
-
£362 GBP
€462 EUR
View
A
Retailer 10
-
£366 GBP
View
A
Retailer 11
-
£388 GBP
$520 USD
View
B+
Retailer 12
-
£405 GBP
$542 USD
View
B+
Retailer 13
-
£489 GBP
A$1,008 AUD
View
B
Retailer 14
-
£643 GBP
$862 USD
View
B
Retailer 15
-
£646 GBP
$865 USD
View
B
Retailer 16
-
£676 GBP
$906 USD
View
B
Retailer 17
-
£803 GBP
View
Most Expensive
B
Brilliant Earth
16723262A · Oct 28
£963 GBP
$1,290 USD
View
17 more retailers have this diamond
Prices start from £161 GBPSave up to £802 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 Round
£161 GBP