Emerald|Lab Grown|IGI

1.49ct F SI1 Emerald Lab Grown Diamond

ID • F/SI1 • IGI LG673417863

Shape and cutting style on the report: Emerald cut

Certificate IGI LG673417863

Diamond specifications and retailer prices

From £627 GBP
$840 USD
As of October 28, 2026
Save £26 GBP (4%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £653 GBP at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 1.49ct lab-grown emerald diamond

This 1.49ct lab-grown emerald sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG673417863 or 673417863. Listed at 13 retailers as of October 28, 2026, with a relatively tight 4% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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

1.49
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle42°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG673417863
Dimensions7.73 × 5.11 × 3.54 mm
L/W Ratio1.51
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.73 mm5.11 mm1.49 ctF / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG673417863
Side View
Table 69.0%Crown 42°Girdle: Slightly ThickPavilion 40.9°Culet: LargeDepth 69.3%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 28
Current: £634 GBP|Low: £72 GBP|High: £1,112 GBP|Avg: £383 GBP|-1.7%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 18, 2026
Retailer 2£72 GBP
Retailer 7£182 GBP
Retailer 9£202 GBP
Retailer 3£209 GBP
Retailer 8£284 GBP
Retailer 4£343 GBP
Retailer 5£402 GBP
Rare Carat£634 GBP
Retailer 6£1,112 GBP

5 data points across 9 retailers

13 retailers£627 GBP to £653 GBP

Retailer 1
-
£591 GBP
$792 USD
Price last confirmed 83 days ago
B
Retailer 2
-
£627 GBP
$840 USD
View
B
Retailer 3
-
£634 GBP
$850 USD
View
B
Retailer 4
-
£634 GBP
$850 USD
View
Retailer 5
-
£642 GBP
$860 USD
View
Price last confirmed 28 days ago
Retailer 6
-
£642 GBP
$860 USD
View
Price last confirmed 28 days ago
B
Retailer 7
-
£642 GBP
$860 USD
View
Retailer 8
-
£642 GBP
$860 USD
View
Price last confirmed 53 days ago
Retailer 9
-
£646 GBP
$865 USD
View
Price last confirmed 32 days ago
Retailer 10
-
£653 GBP
$875 USD
View
Price last confirmed 83 days ago
Retailer 11
-
£653 GBP
$875 USD
View
Price last confirmed 83 days ago
Retailer 12
-
£653 GBP
$875 USD
View
Price last confirmed 83 days ago
Most Expensive
B
Rare Carat
2206/3182A · Oct 28
£653 GBP
$875 USD
View
12 more retailers have this diamond
Prices start from £627 GBPSave up to £26 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.

B
1.49ct Emerald
£627 GBP