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Emerald|Lab Grown|IGI

1.20ct F VS1 Emerald Lab Grown Diamond

EX • F/VS1 • IGI LG683591828

Shape and cutting style on the report: Emerald cut

Certificate IGI LG683591828

Diamond specifications and retailer prices

From £153 GBP
As of November 4, 2026
Save £842 GBP (85%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £995 GBP at Michael Trio · As of November 4, 2026
View at Michael Trio

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 LG683591828 or 683591828. Listed at 14 retailers as of November 4, 2026, with prices from £153 to £995, a £842 spread on the same certified stone. Michael Trio lists it at £995. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG683591828
Dimensions7.32 × 4.90 × 3.37 mm
L/W Ratio1.49
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.32 mm4.90 mm1.20 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG683591828
Side View
Table 63.0%Crown 32.8°Girdle: MediumPavilion 39.9°Culet: LargeDepth 68.8%

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: Nov 4
Current: £347 GBP|Low: £147 GBP|High: £772 GBP|Avg: £365 GBP|+3.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 11£153 GBP
Retailer 8£179 GBP
Retailer 7£190 GBP
Retailer 10£190 GBP
Retailer 6£328 GBP
Retailer 3£329 GBP
Retailer 1£347 GBP
Retailer 5£465 GBP
Retailer 9£613 GBP
Retailer 2£614 GBP
Retailer 4£761 GBP

44 data points across 11 retailers

14 retailers£153 GBP to £995 GBP

A
Cheapest Retailer
-
£153 GBP
A
Retailer 2
-
£179 GBP
View
A
Retailer 3
-
£190 GBP
View
Retailer 4
-
£190 GBP
View
Price last confirmed 19 days ago
Retailer 5
-
£190 GBP
View
Price last confirmed 11 days ago
A
Retailer 6
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£324 GBP
View
A
Retailer 7
-
£328 GBP
View
A
Retailer 8
-
£329 GBP
View
A
Retailer 9
-
£347 GBP
View
B+
Retailer 10
-
£465 GBP
View
B
Retailer 11
-
£613 GBP
View
B
Retailer 12
-
£614 GBP
View
B
Retailer 13
-
£761 GBP
View
Most Expensive
B
Michael Trio
7315663630 · Nov 4
£995 GBP
SGD 1,815 SGD
View
13 more retailers have this diamond
Prices start from £153 GBPSave up to £842 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
£153 GBP