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Emerald|Lab Grown|IGI

1.80ct F SI1 Emerald Lab Grown Diamond

ID • F/SI1 • IGI LG789628962

Shape and cutting style on the report: Emerald cut

Certificate IGI LG789628962

Diamond specifications and retailer prices

From £254 GBP
$341 USD
As of October 30, 2026
Save £1,052 GBP (81%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £1,306 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG789628962 or 789628962. Listed at 13 retailers as of October 30, 2026, with prices from £254 to £1,306, a £1,052 spread on the same certified stone. Brilliant Earth lists it at £1,306. 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

1.80
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG789628962
Dimensions8.33 × 5.71 × 3.77 mm
L/W Ratio1.46
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.33 mm5.71 mm1.80 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG789628962
Side View
Table 66.0%Crown 35.1°Girdle: MediumPavilion 40°Culet: LargeDepth 66.0%

Caratlytics Score

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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: £1,306 GBP|Low: £244 GBP|High: £1,955 GBP|Avg: £632 GBP|-2.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 31, 2026
Retailer 9£254 GBP
Retailer 10£284 GBP
Retailer 4£296 GBP
Retailer 3£316 GBP
Retailer 11£316 GBP
Retailer 6£429 GBP
Retailer 12£509 GBP
Retailer 5£515 GBP
Retailer 2£566 GBP
Retailer 8£925 GBP
Retailer 13£1,014 GBP
Retailer 7£1,271 GBP
Brilliant Earth£1,306 GBP

43 data points across 13 retailers

13 retailers£254 GBP to £1,306 GBP

A
Cheapest Retailer
-
£254 GBP
$341 USD
A
Retailer 2
-
£284 GBP
$381 USD
View
Final sale: no returns
A
Retailer 3
-
£296 GBP
$396 USD
View
A
Retailer 4
-
£316 GBP
$423 USD
View
A
Retailer 5
-
£316 GBP
$423 USD
View
A
Retailer 6
-
£429 GBP
$575 USD
View
B+
Retailer 7
-
£509 GBP
$682 USD
View
B+
Retailer 8
-
£515 GBP
$690 USD
View
B+
Retailer 9
-
£566 GBP
View
B
Retailer 10
-
£925 GBP
$1,240 USD
View
B
Retailer 11
-
£1,014 GBP
$1,359 USD
View
B
Retailer 12
-
£1,271 GBP
View
Most Expensive
B
Brilliant Earth
21067255A · Oct 31
£1,306 GBP
$1,750 USD
View
12 more retailers have this diamond
Prices start from £254 GBPSave up to £1,052 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
£254 GBP