Emerald|Lab Grown|IGI

1.45ct D FL Emerald Lab Grown Diamond

ID • D/FL • IGI LG846663959

Shape and cutting style on the report: Emerald cut

Certificate IGI LG846663959

Diamond specifications and retailer prices

From £226 GBP
$303 USD
As of October 27, 2026
Save £903 GBP (80%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £2,239 GBP at Brilliant Earth · As of October 30, 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 D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG846663959 or 846663959. Listed at 8 retailers as of October 27, 2026, with a 399% 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
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846663959
Dimensions7.86 × 5.30 × 3.47 mm
L/W Ratio1.48
Culet sizeLarge
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.86 mm5.30 mm1.45 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846663959
Side View
Table 62.0%Crown 35.2°Girdle: Slightly ThickPavilion 40.5°Culet: LargeDepth 65.5%

Caratlytics Score

How it works →
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: Oct 27
Current: £2,239 GBP|Low: £226 GBP|High: £2,239 GBP|Avg: £696 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 8£226 GBP
Retailer 4£396 GBP
Retailer 2£434 GBP
Retailer 7£530 GBP
Retailer 3£803 GBP
Retailer 6£822 GBP
Retailer 5£1,129 GBP
Brilliant Earth£2,239 GBP

4 data points across 8 retailers

8 retailers£226 GBP to £1,129 GBP

A
Cheapest Retailer
-
£226 GBP
$303 USD
A
Retailer 2
-
£396 GBP
$530 USD
View
A
Retailer 3
-
£434 GBP
$582 USD
View
A
Retailer 4
-
£530 GBP
€676 EUR
View
B+
Retailer 5
-
£803 GBP
$1,076 USD
View
B+
Retailer 6
-
£822 GBP
$1,102 USD
View
B
Retailer 7
-
£1,129 GBP
View
Most Expensive
Brilliant Earth
22319289A · Oct 30
£2,239 GBP
$3,000 USD
View
Price under review
7 more retailers have this diamond
Prices start from £226 GBPSave up to £903 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
£226 GBP