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Emerald|Lab Grown|IGI

1.80ct E IF Emerald Lab Grown Diamond

ID • E/IF • IGI LG685510892

Shape and cutting style on the report: Emerald cut

Certificate IGI LG685510892

Diamond specifications and retailer prices

From £276 GBP
$368 USD
As of October 30, 2026
Save £2,203 GBP (89%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £2,480 GBP at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.8ct lab-grown emerald diamond

This 1.8ct lab-grown emerald sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG685510892 or 685510892. Listed at 24 retailers as of October 27, 2026, with prices from £276 to £2,480, a £2,203 spread on the same certified stone. Queensmith lists it at £2,480. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.80
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle48.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG685510892
Dimensions8.18 × 5.63 × 3.94 mm
L/W Ratio1.45
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
8.18 mm5.63 mm1.80 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG685510892
Side View
Table 69.0%Crown 36.7°Girdle: Slightly ThickPavilion 48.2°Culet: LargeDepth 70.0%

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: £618 GBP|Low: £265 GBP|High: £1,952 GBP|Avg: £737 GBP|+2.9%
Retailer 1
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Retailer 18
October 30, 2026
Retailer 18£276 GBP
Retailer 8£309 GBP
Retailer 6£320 GBP
Retailer 2£342 GBP
Retailer 5£342 GBP
Retailer 14£454 GBP
Retailer 10£460 GBP
Retailer 7£541 GBP
Retailer 11£543 GBP
Retailer 13£588 GBP
Retailer 1£618 GBP
Retailer 12£795 GBP
Retailer 17£1,004 GBP
Retailer 4£1,101 GBP
Retailer 3£1,293 GBP
Retailer 9£1,328 GBP
Retailer 15£1,339 GBP
Retailer 16£1,915 GBP

44 data points across 18 retailers

24 retailers£276 GBP to £2,480 GBP

A
Cheapest Retailer
-
£276 GBP
$368 USD
A
Retailer 2
-
£309 GBP
$412 USD
View
Final sale: no returns
A
Retailer 3
-
£320 GBP
$426 USD
View
A
Retailer 4
-
£342 GBP
$456 USD
View
A
Retailer 5
-
£342 GBP
$456 USD
View
A
Retailer 6
-
£375 GBP
HK$3,900 HKD
View
A
Retailer 7
-
£454 GBP
$605 USD
View
A
Retailer 8
-
£460 GBP
$612 USD
View
A
Retailer 9
-
£541 GBP
$721 USD
View
A
Retailer 10
-
£543 GBP
€689 EUR
View
A
Retailer 11
-
£588 GBP
ZAR 12,656 ZAR
View
A
Retailer 12
-
£618 GBP
View
A
Retailer 13
-
£795 GBP
A$1,628 AUD
View
B+
Retailer 14
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£1,004 GBP
$1,337 USD
View
B+
Retailer 15
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£1,064 GBP
$1,417 USD
View
B+
Retailer 16
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£1,101 GBP
$1,466 USD
View
B+
Retailer 17
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£1,130 GBP
$1,505 USD
View
B+
Retailer 18
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£1,293 GBP
$1,722 USD
View
B+
Retailer 19
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£1,298 GBP
$1,729 USD
View
B+
Retailer 20
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£1,328 GBP
View
B+
Retailer 21
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£1,339 GBP
View
B
Retailer 22
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£1,464 GBP
$1,949 USD
View
B
Retailer 23
-
£1,915 GBP
$2,550 USD
View
Most Expensive
B
Queensmith
LG685510892 · Oct 27
£2,480 GBP
View
23 more retailers have this diamond
Prices start from £276 GBPSave up to £2,203 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
1.80ct Emerald
£276 GBP