Princess|Lab Grown|IGI

1.45ct E VS1 Princess Lab Grown Diamond

ID • E/VS1 • IGI LG771623646

Shape and cutting style on the report: Princess cut

Certificate IGI LG771623646

Diamond specifications and retailer prices

From £152 GBP
$203 USD
As of October 27, 2026
Save £598 GBP (80%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £889 GBP at MOH London · As of October 19, 2026
View at MOH London

About this 1.45ct lab-grown princess diamond

This 1.45ct lab-grown princess 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 LG771623646 or 771623646. Listed at 13 retailers as of October 27, 2026, with a 393% 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 angle42.6°
Pavilion angle37.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG771623646
Dimensions6.25 × 6.09 × 4.32 mm
L/W Ratio1.03
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.25 mm6.09 mm1.45 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG771623646
Side View
Table 71.0%Crown 42.6°Girdle: MediumPavilion 37.8°Culet: NoneDepth 70.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 27
Current: £889 GBP|Low: £149 GBP|High: £907 GBP|Avg: £519 GBP|+14.6%
MOH London
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
Retailer 15
October 29, 2026
Retailer 15£152 GBP
Retailer 12£177 GBP
Retailer 10£238 GBP
Retailer 2£321 GBP
Retailer 5£344 GBP
Retailer 13£436 GBP
Retailer 8£462 GBP
Retailer 7£602 GBP
Retailer 14£608 GBP
Retailer 11£611 GBP
Retailer 6£642 GBP
Retailer 4£665 GBP
Retailer 9£751 GBP
Retailer 3£769 GBP
MOH London£889 GBP

24 data points across 15 retailers

13 retailers£152 GBP to £751 GBP

A
Cheapest Retailer
-
£152 GBP
$203 USD
A
Retailer 2
-
£177 GBP
$236 USD
View
A
Retailer 3
-
£238 GBP
View
Price last confirmed 12 days ago
A
Retailer 4
-
£321 GBP
€407 EUR
View
A
Retailer 5
-
£436 GBP
$581 USD
View
A
Retailer 6
-
£462 GBP
A$947 AUD
View
B+
Retailer 7
-
£488 GBP
$650 USD
View
B+
Retailer 8
-
£608 GBP
$810 USD
View
B
Retailer 9
-
£611 GBP
$813 USD
View
B+
Retailer 10
-
£670 GBP
$892 USD
View
B
Retailer 11
-
£751 GBP
$1,000 USD
View
B
Retailer 12
-
£769 GBP
SGD 1,383 SGD
View
Price last confirmed 16 days ago
Most Expensive
B
MOH London
LG771623646 · Oct 19
£889 GBP
View
Price last confirmed 10 days ago
12 more retailers have this diamond
Prices start from £152 GBPSave up to £598 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 Princess
£152 GBP