Emerald|Lab Grown|IGI

1.50ct F SI1 Emerald Lab Grown Diamond

ID • F/SI1 • IGI LG611355994

Shape and cutting style on the report: Emerald cut

Certificate IGI LG611355994

Diamond specifications and retailer prices

From £145 GBP
$194 USD
As of November 1, 2026
Save £796 GBP (85%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £940 GBP at Brilliant Earth · As of October 26, 2026
View at Brilliant Earth

About this 1.5ct lab-grown emerald diamond

This 1.5ct lab-grown emerald sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG611355994 or 611355994. Listed at 15 retailers as of October 26, 2026, with prices from £145 to £940, a £796 spread on the same certified stone. Brilliant Earth lists it at £940. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.50
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.4°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG611355994
Dimensions7.71 × 5.28 × 3.69 mm
L/W Ratio1.46
Culet sizeLong
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
7.71 mm5.28 mm1.50 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG611355994
Side View
Table 59.0%Crown 31.4°Girdle: Slightly ThickPavilion 38.2°Culet: LNGDepth 69.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: £940 GBP|Low: £102 GBP|High: £940 GBP|Avg: £373 GBP|+13.5%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 26, 2026
Retailer 7£129 GBP
Retailer 10£145 GBP
Retailer 8£160 GBP
Retailer 9£160 GBP
Retailer 11£220 GBP
Retailer 4£276 GBP
Retailer 2£300 GBP
Retailer 6£407 GBP
Retailer 3£555 GBP
Retailer 5£753 GBP
Brilliant Earth£940 GBP

38 data points across 11 retailers

15 retailers£145 GBP to £940 GBP

Retailer 1
-
£129 GBP
$173 USD
Price last confirmed 9 days ago
A
Retailer 2
-
£145 GBP
$194 USD
View
Final sale: no returns
Retailer 3
-
£150 GBP
$201 USD
View
Price last confirmed 12 days ago
Retailer 4
-
£160 GBP
$214 USD
View
Price last confirmed 16 days ago
Retailer 5
-
£160 GBP
$214 USD
View
Price last confirmed 11 days ago
Retailer 6
-
£220 GBP
$295 USD
View
Price last confirmed 9 days ago
Retailer 7
-
£276 GBP
View
Price last confirmed 8 days ago
Retailer 8
-
£300 GBP
€383 EUR
View
Price last confirmed 7 days ago
Retailer 9
-
£407 GBP
$545 USD
View
Price last confirmed 9 days ago
Retailer 10
-
£492 GBP
$659 USD
View
Price last confirmed 39 days ago
Retailer 11
-
£514 GBP
$689 USD
View
Price last confirmed 11 days ago
Retailer 12
-
£555 GBP
$744 USD
View
Price last confirmed 9 days ago
Retailer 13
-
£753 GBP
View
Price last confirmed 11 days ago
Retailer 14
-
£799 GBP
$1,070 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
12326898A · Oct 26
£940 GBP
$1,260 USD
View
14 more retailers have this diamond
Prices start from £145 GBPSave up to £796 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
1.50ct Emerald
£145 GBP