Emerald|Lab Grown|IGI

1.21ct E VS1 Emerald Lab Grown Diamond

ID • E/VS1 • IGI LG844655661

Shape and cutting style on the report: Emerald cut

Certificate IGI LG844655661

Diamond specifications and retailer prices

From £153 GBP
$204 USD
As of October 28, 2026
Save £793 GBP (84%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £946 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.21ct lab-grown emerald diamond

This 1.21ct lab-grown emerald sits in the classic one-carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG844655661 or 844655661. Listed at 12 retailers as of October 28, 2026, with prices from £153 to £946, a £793 spread on the same certified stone. Brilliant Earth lists it at £946. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.2°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844655661
Dimensions7.18 × 4.89 × 3.35 mm
L/W Ratio1.47
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.18 mm4.89 mm1.21 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG844655661
Side View
Table 67.0%Crown 38.2°Girdle: Slightly ThickPavilion 41°Culet: LargeDepth 68.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: £946 GBP|Low: £153 GBP|High: £946 GBP|Avg: £491 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 11£153 GBP
Retailer 4£231 GBP
Retailer 2£308 GBP
Retailer 5£316 GBP
Retailer 10£324 GBP
Retailer 8£416 GBP
Retailer 7£499 GBP
Retailer 9£580 GBP
Retailer 3£589 GBP
Retailer 6£802 GBP
Retailer 12£856 GBP
Brilliant Earth£946 GBP

18 data points across 12 retailers

12 retailers£153 GBP to £946 GBP

A
Cheapest Retailer
-
£153 GBP
$204 USD
Final sale: no returns
B+
Retailer 2
-
£231 GBP
$308 USD
View
A
Retailer 3
-
£308 GBP
View
A
Retailer 4
-
£316 GBP
€401 EUR
View
A
Retailer 5
-
£324 GBP
$432 USD
View
B+
Retailer 6
-
£416 GBP
A$853 AUD
View
B+
Retailer 7
-
£499 GBP
A$1,023 AUD
View
B
Retailer 8
-
£580 GBP
$772 USD
View
B+
Retailer 9
-
£589 GBP
$785 USD
View
B
Retailer 10
-
£802 GBP
View
B
Retailer 11
-
£856 GBP
$1,140 USD
View
Most Expensive
B
Brilliant Earth
21792313A · Oct 29
£946 GBP
$1,260 USD
View
11 more retailers have this diamond
Prices start from £153 GBPSave up to £793 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
1.21ct Emerald
£153 GBP