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Emerald|Lab Grown|IGI

1.20ct F VS1 Emerald Lab Grown Diamond

ID • F/VS1 • IGI LG821634478

Shape and cutting style on the report: Emerald cut

Certificate IGI LG821634478

Diamond specifications and retailer prices

From £187 GBP
As of November 5, 2026
Save £1,058 GBP (85%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £1,244 GBP at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 1.2ct lab-grown emerald diamond

This 1.2ct lab-grown emerald sits in the classic one-carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG821634478 or 821634478. Listed at 14 retailers as of November 2, 2026, with prices from £187 to £1,244, a £1,058 spread on the same certified stone. Do Amore Diamonds lists it at £1,244. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.7°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821634478
Dimensions7.23 × 4.98 × 3.40 mm
L/W Ratio1.45
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.23 mm4.98 mm1.20 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821634478
Side View
Table 67.0%Crown 37.7°Girdle: MediumPavilion 40.8°Culet: LargeDepth 68.3%

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: Nov 5
Current: £1,244 GBP|Low: £187 GBP|High: £1,244 GBP|Avg: £499 GBP
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 3, 2026
Retailer 3£187 GBP
Retailer 12£216 GBP
Retailer 4£253 GBP
Retailer 7£291 GBP
Retailer 11£356 GBP
Retailer 5£432 GBP
Retailer 10£476 GBP
Retailer 9£545 GBP
Retailer 2£601 GBP
Retailer 6£741 GBP
Retailer 8£832 GBP
Do Amore Diamonds£1,244 GBP

23 data points across 12 retailers

14 retailers£187 GBP to £1,244 GBP

Retailer 1
-
£130 GBP
Price last confirmed 25 days ago
A
Retailer 2
-
£187 GBP
View
B+
Retailer 3
-
£216 GBP
View
A
Retailer 4
-
£253 GBP
View
Retailer 5
-
£291 GBP
View
Price last confirmed 7 days ago
A
Retailer 6
-
£356 GBP
View
B+
Retailer 7
-
£432 GBP
View
Retailer 8
-
£476 GBP
View
Price last confirmed 36 days ago
B+
Retailer 9
-
£545 GBP
View
Retailer 10
-
£570 GBP
View
Price last confirmed 29 days ago
B+
Retailer 11
-
£601 GBP
View
B
Retailer 12
-
£741 GBP
View
Retailer 13
-
£832 GBP
View
Price last confirmed 7 days ago
Most Expensive
B
Do Amore Diamonds
27-5B6871754 · Nov 2
£1,244 GBP
$1,680 USD
View
13 more retailers have this diamond
Prices start from £187 GBPSave up to £1,058 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
1.20ct Emerald
£187 GBP