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Emerald|Lab Grown|IGI

1.50ct F SI1 Emerald Lab Grown Diamond

ID • F/SI1 • IGI LG694585465

Shape and cutting style on the report: Emerald cut

Certificate IGI LG694585465

Diamond specifications and retailer prices

From £125 GBP
$168 USD
As of November 1, 2026
Save £867 GBP (87%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £993 GBP at Brilliant Earth · As of October 31, 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 LG694585465 or 694585465. Listed at 13 retailers as of October 31, 2026, with prices from £125 to £993, a £867 spread on the same certified stone. Brilliant Earth lists it at £993. 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 angle34.9°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG694585465
Dimensions8.05 × 5.36 × 3.62 mm
L/W Ratio1.50
Culet sizeLong
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.05 mm5.36 mm1.50 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG694585465
Side View
Table 65.0%Crown 34.9°Girdle: Slightly ThickPavilion 39.3°Culet: LNGDepth 67.5%

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 1
Current: £993 GBP|Low: £125 GBP|High: £1,000 GBP|Avg: £389 GBP
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
November 1, 2026
Retailer 12£125 GBP
Retailer 5£141 GBP
Retailer 8£146 GBP
Retailer 6£156 GBP
Retailer 4£158 GBP
Retailer 2£277 GBP
Retailer 11£280 GBP
Retailer 13£291 GBP
Retailer 10£351 GBP
Retailer 7£501 GBP
Retailer 9£529 GBP
Retailer 3£742 GBP
Brilliant Earth£993 GBP

42 data points across 13 retailers

13 retailers£125 GBP to £993 GBP

A
Cheapest Retailer
-
£125 GBP
$168 USD
A
Retailer 2
-
£141 GBP
$189 USD
View
Final sale: no returns
A
Retailer 3
-
£146 GBP
$195 USD
View
A
Retailer 4
-
£156 GBP
$209 USD
View
Retailer 5
-
£158 GBP
$212 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
£277 GBP
View
B+
Retailer 7
-
£280 GBP
$375 USD
View
A
Retailer 8
-
£291 GBP
€371 EUR
View
A
Retailer 9
-
£351 GBP
$470 USD
View
B+
Retailer 10
-
£501 GBP
$671 USD
View
B+
Retailer 11
-
£529 GBP
$709 USD
View
B
Retailer 12
-
£742 GBP
View
Most Expensive
B
Brilliant Earth
14517545A · Oct 31
£993 GBP
$1,330 USD
View
12 more retailers have this diamond
Prices start from £125 GBPSave up to £867 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
£125 GBP