Emerald|Lab Grown|IGI

1.45ct E IF Emerald Lab Grown Diamond

ID • E/IF • IGI LG636410889

Shape and cutting style on the report: Emerald cut

Certificate IGI LG636410889

Diamond specifications and retailer prices

From £193 GBP
$258 USD
As of October 30, 2026
Save £1,722 GBP (90%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: £1,915 GBP at Queensmith · As of October 27, 2026
View at Queensmith

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 E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG636410889 or 636410889. Listed at 25 retailers as of October 27, 2026, with prices from £193 to £1,915, a £1,722 spread on the same certified stone. Queensmith lists it at £1,915. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.45
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG636410889
Dimensions7.50 × 5.39 × 3.60 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
7.50 mm5.39 mm1.45 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG636410889
Side View
Table 61.0%Crown 34.5°Girdle: MediumPavilion 38.9°Culet: LargeDepth 66.8%

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 30
Current: £456 GBP|Low: £185 GBP|High: £1,829 GBP|Avg: £556 GBP|+4.6%
Retailer 1
Retailer 2
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Retailer 11
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Retailer 18
October 30, 2026
Retailer 3£193 GBP
Retailer 12£215 GBP
Retailer 9£223 GBP
Retailer 5£239 GBP
Retailer 7£239 GBP
Retailer 4£321 GBP
Retailer 17£358 GBP
Retailer 11£389 GBP
Retailer 16£410 GBP
Retailer 8£433 GBP
Retailer 1£456 GBP
Retailer 15£581 GBP
Retailer 2£606 GBP
Retailer 6£767 GBP
Retailer 10£933 GBP
Retailer 18£957 GBP
Retailer 14£1,399 GBP
Retailer 13£1,821 GBP

44 data points across 18 retailers

25 retailers£193 GBP to £1,915 GBP

A
Cheapest Retailer
-
£193 GBP
$258 USD
A
Retailer 2
-
£215 GBP
$288 USD
View
Final sale: no returns
A
Retailer 3
-
£223 GBP
$299 USD
View
A
Retailer 4
-
£239 GBP
$320 USD
View
A
Retailer 5
-
£239 GBP
$320 USD
View
A
Retailer 6
-
£267 GBP
HK$2,800 HKD
View
B+
Retailer 7
-
£321 GBP
$430 USD
View
A
Retailer 8
-
£358 GBP
$480 USD
View
A
Retailer 9
-
£389 GBP
€496 EUR
View
A
Retailer 10
-
£410 GBP
ZAR 8,875 ZAR
View
A
Retailer 11
-
£433 GBP
$580 USD
View
A
Retailer 12
-
£456 GBP
View
A
Retailer 13
-
£581 GBP
A$1,197 AUD
View
B+
Retailer 14
-
£606 GBP
$812 USD
View
B+
Retailer 15
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£629 GBP
$843 USD
View
B+
Retailer 16
-
£767 GBP
$1,028 USD
View
B+
Retailer 17
-
£768 GBP
SGD 1,391 SGD
View
B+
Retailer 18
-
£805 GBP
$1,079 USD
View
B+
Retailer 19
-
£812 GBP
$1,088 USD
View
B+
Retailer 20
-
£933 GBP
View
B+
Retailer 21
-
£957 GBP
View
B
Retailer 22
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£1,029 GBP
$1,378 USD
View
B
Retailer 23
-
£1,399 GBP
$1,875 USD
View
B
Retailer 24
-
£1,821 GBP
$2,440 USD
View
Most Expensive
B
Queensmith
LG636410889 · Oct 27
£1,915 GBP
View
24 more retailers have this diamond
Prices start from £193 GBPSave up to £1,722 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
£193 GBP