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Round|Lab Grown|IGI

1.45ct E VS1 Round Lab Grown Diamond

EX • E/VS1 • IGI LG612331384

Shape and cutting style on the report: Round brilliant

Certificate IGI LG612331384

Diamond specifications and retailer prices

From £161 GBP
$216 USD
As of October 29, 2026
Save £515 GBP (76%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £963 GBP at Brilliant Earth · As of October 23, 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 LG612331384 or 612331384. Listed at 19 retailers as of October 29, 2026, with a 320% 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG612331384
Dimensions7.23 × 7.19 × 4.53 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
7.23 mm7.19 mm1.45 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG612331384
Side View
Table 57.0%Crown 35.2°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 62.8%

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: Oct 29
Current: £963 GBP|Low: £161 GBP|High: £1,015 GBP|Avg: £453 GBP|-5.1%
Brilliant Earth
Retailer 2
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Retailer 6
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Retailer 11
Retailer 12
Retailer 13
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Retailer 19
October 30, 2026
Retailer 5£161 GBP
Retailer 12£178 GBP
Retailer 2£185 GBP
Retailer 3£200 GBP
Retailer 8£200 GBP
Retailer 14£332 GBP
Retailer 13£340 GBP
Retailer 18£344 GBP
Retailer 17£362 GBP
Retailer 15£366 GBP
Retailer 7£388 GBP
Retailer 6£405 GBP
Retailer 19£489 GBP
Retailer 11£522 GBP
Retailer 9£643 GBP
Retailer 4£646 GBP
Retailer 16£676 GBP
Retailer 10£798 GBP
Brilliant Earth£963 GBP

32 data points across 19 retailers

19 retailers£161 GBP to £676 GBP

A
Cheapest Retailer
-
£161 GBP
$216 USD
A
Retailer 2
-
£178 GBP
$239 USD
View
Final sale: no returns
A
Retailer 3
-
£185 GBP
$248 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
B+
Retailer 9
-
£362 GBP
€462 EUR
View
B+
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
Retailer 14
-
£522 GBP
$700 USD
View
Price last confirmed 26 days ago
B
Retailer 15
-
£643 GBP
$862 USD
View
B
Retailer 16
-
£646 GBP
$865 USD
View
B
Retailer 17
-
£676 GBP
$906 USD
View
Retailer 18
-
£798 GBP
View
Price last confirmed 11 days ago
Most Expensive
Brilliant Earth
9845876A · Oct 23
£963 GBP
$1,290 USD
View
Price last confirmed 7 days ago
18 more retailers have this diamond
Prices start from £161 GBPSave up to £515 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