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Round|Lab Grown|IGI

1.45ct E VS1 Round Lab Grown Diamond

ID • E/VS1 • IGI LG794654811

Shape and cutting style on the report: Round brilliant

Certificate IGI LG794654811

Diamond specifications and retailer prices

From £151 GBP
$201 USD
As of October 28, 2026
Save £159 GBP (51%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £1,225 GBP at Helzberg Diamonds · As of October 17, 2026
View at Helzberg Diamonds

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 LG794654811 or 794654811. Listed at 6 retailers as of October 28, 2026, with a 105% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle33.9°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG794654811
Dimensions7.37 × 7.33 × 4.41 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
7.37 mm7.33 mm1.45 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG794654811
Side View
Table 59.0%Crown 33.9°Girdle: MediumPavilion 40.8°Culet: NoneDepth 60.0%

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: Oct 28
Current: £1,225 GBP|Low: £137 GBP|High: £1,225 GBP|Avg: £394 GBP
Helzberg Diamonds
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
October 28, 2026
Retailer 8£140 GBP
Retailer 7£151 GBP
Retailer 14£171 GBP
Retailer 11£173 GBP
Retailer 12£285 GBP
Retailer 9£288 GBP
Retailer 2£310 GBP
Retailer 10£357 GBP
Retailer 3£399 GBP
Retailer 4£527 GBP
Retailer 13£593 GBP
Retailer 6£623 GBP
Retailer 5£859 GBP
Helzberg Diamonds£1,225 GBP

25 data points across 14 retailers

6 retailers£151 GBP to £310 GBP

A
Cheapest Retailer
-
£151 GBP
$201 USD
Final sale: no returns
Retailer 2
-
£171 GBP
$228 USD
View
Price last confirmed 48 days ago
Retailer 3
-
£288 GBP
ZAR 6,203 ZAR
View
Price last confirmed 43 days ago
A
Retailer 4
-
£310 GBP
View
Retailer 5
-
£623 GBP
A$1,276 AUD
View
Price last confirmed 136 days ago
Most Expensive
Helzberg Diamonds
ZXZNPKMLKOHH · Oct 17
£1,225 GBP
$1,631 USD
View
Price last confirmed 13 days ago
5 more retailers have this diamond
Prices start from £151 GBPSave up to £159 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
£151 GBP