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Emerald|Lab Grown|IGI

1.45ct F IF Emerald Lab Grown Diamond

ID • F/IF • IGI LG735572973

Shape and cutting style on the report: Emerald cut

Certificate IGI LG735572973

Diamond specifications and retailer prices

From £181 GBP
As of November 4, 2026
Save £981 GBP (84%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £1,163 GBP at Rare Carat · As of November 1, 2026
View at Rare Carat

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 F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG735572973 or 735572973. Listed at 17 retailers as of November 1, 2026, with prices from £181 to £1,163, a £981 spread on the same certified stone. Rare Carat lists it at £1,163. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.45
Carat
F
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.6°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG735572973
Dimensions7.37 × 5.30 × 3.61 mm
L/W Ratio1.39
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
7.37 mm5.30 mm1.45 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG735572973
Side View
Table 62.0%Crown 40.6°Girdle: Slightly ThickPavilion 38.9°Culet: LargeDepth 68.1%

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: Nov 4
Current: £1,163 GBP|Low: £174 GBP|High: £1,181 GBP|Avg: £475 GBP|-1.6%
Rare Carat
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
Retailer 15
November 5, 2026
Retailer 14£181 GBP
Retailer 3£203 GBP
Retailer 6£210 GBP
Retailer 5£225 GBP
Retailer 15£225 GBP
Retailer 13£311 GBP
Retailer 9£388 GBP
Retailer 7£409 GBP
Retailer 2£423 GBP
Retailer 8£551 GBP
Retailer 4£724 GBP
Retailer 12£726 GBP
Retailer 11£880 GBP
Retailer 10£901 GBP
Rare Carat£1,163 GBP

46 data points across 15 retailers

17 retailers£181 GBP to £1,163 GBP

A
Cheapest Retailer
-
£181 GBP
A
Retailer 2
-
£203 GBP
View
Final sale: no returns
A
Retailer 3
-
£210 GBP
View
Retailer 4
-
£225 GBP
View
Price last confirmed 11 days ago
A
Retailer 5
-
£225 GBP
View
B+
Retailer 6
-
£311 GBP
View
A
Retailer 7
-
£388 GBP
View
A
Retailer 8
-
£409 GBP
View
A
Retailer 9
-
£423 GBP
View
A
Retailer 10
-
£551 GBP
View
B+
Retailer 11
-
£724 GBP
View
B+
Retailer 12
-
£726 GBP
View
B+
Retailer 13
-
£761 GBP
View
B+
Retailer 14
-
£826 GBP
View
B+
Retailer 15
-
£880 GBP
View
B+
Retailer 16
-
£901 GBP
View
Most Expensive
B
Rare Carat
GD15490_l_735572973 · Nov 1
£1,163 GBP
$1,570 USD
View
16 more retailers have this diamond
Prices start from £181 GBPSave up to £981 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
£181 GBP