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Emerald|Lab Grown|IGI

1.45ct G VS1 Emerald Lab Grown Diamond

ID • G/VS1 • IGI LG640461356

Shape and cutting style on the report: Emerald cut

Certificate IGI LG640461356

Diamond specifications and retailer prices

From £142 GBP
As of November 4, 2026
Save £776 GBP (85%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £919 GBP at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.45ct lab-grown emerald diamond

This 1.45ct lab-grown emerald sits in the one-and-a-quarter to one-and-a-half carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG640461356 or 640461356. Listed at 18 retailers as of November 4, 2026, with prices from £142 to £919, a £776 spread on the same certified stone. Brilliant Earth lists it at £919. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.45
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle38°
OriginLab Grown
Grading LabIGI
CertificateIGI LG640461356
Dimensions7.78 × 5.32 × 3.56 mm
L/W Ratio1.46
Culet sizeLong
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.78 mm5.32 mm1.45 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG640461356
Side View
Table 65.0%Crown 32.9°Girdle: Slightly ThickPavilion 38°Culet: LNGDepth 66.9%

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: Nov 4
Current: £919 GBP|Low: £132 GBP|High: £985 GBP|Avg: £397 GBP|-6.8%
Brilliant Earth
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
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Retailer 17
Retailer 18
November 5, 2026
Retailer 5£142 GBP
Retailer 16£164 GBP
Retailer 9£171 GBP
Retailer 14£176 GBP
Retailer 3£183 GBP
Retailer 6£287 GBP
Retailer 13£304 GBP
Retailer 4£307 GBP
Retailer 2£317 GBP
Retailer 18£421 GBP
Retailer 12£429 GBP
Retailer 17£450 GBP
Retailer 11£464 GBP
Retailer 8£530 GBP
Retailer 10£559 GBP
Retailer 15£566 GBP
Retailer 7£805 GBP
Brilliant Earth£919 GBP

40 data points across 18 retailers

18 retailers£142 GBP to £919 GBP

A
Cheapest Retailer
-
£142 GBP
A
Retailer 2
-
£164 GBP
View
Retailer 3
-
£171 GBP
View
Price last confirmed 11 days ago
A
Retailer 4
-
£176 GBP
View
A
Retailer 5
-
£183 GBP
View
Final sale: no returns
Retailer 6
-
£287 GBP
View
Price last confirmed 7 days ago
A
Retailer 7
-
£304 GBP
View
B+
Retailer 8
-
£307 GBP
View
A
Retailer 9
-
£317 GBP
View
B+
Retailer 10
-
£421 GBP
View
B+
Retailer 11
-
£429 GBP
View
B+
Retailer 12
-
£450 GBP
View
B+
Retailer 13
-
£464 GBP
View
Retailer 14
-
£530 GBP
View
Price last confirmed 9 days ago
B+
Retailer 15
-
£559 GBP
View
B
Retailer 16
-
£566 GBP
View
Retailer 17
-
£805 GBP
View
Price last confirmed 7 days ago
Most Expensive
B
Brilliant Earth
14996996A · Nov 4
£919 GBP
$1,240 USD
View
17 more retailers have this diamond
Prices start from £142 GBPSave up to £776 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 Emerald
£142 GBP