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Emerald|Lab Grown|IGI

1.21ct G VS1 Emerald Lab Grown Diamond

ID • G/VS1 • IGI LG675543440

Shape and cutting style on the report: Emerald cut

Certificate IGI LG675543440

Diamond specifications and retailer prices

From £113 GBP
$150 USD
As of October 27, 2026
Save £545 GBP (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £658 GBP at MOH London · As of October 26, 2026
View at MOH London

About this 1.21ct lab-grown emerald diamond

This 1.21ct lab-grown emerald sits in the classic one-carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG675543440 or 675543440. Listed at 15 retailers as of October 26, 2026, with prices from £113 to £658, a £545 spread on the same certified stone. MOH London lists it at £658. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle35.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG675543440
Dimensions7.42 × 5.07 × 3.26 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
7.42 mm5.07 mm1.21 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG675543440
Side View
Table 61.0%Crown 32.9°Girdle: MediumPavilion 35.8°Culet: LargeDepth 64.3%

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 27
Current: £658 GBP|Low: £108 GBP|High: £713 GBP|Avg: £298 GBP|-6.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 28, 2026
Retailer 10£113 GBP
Retailer 11£131 GBP
Retailer 6£136 GBP
Retailer 5£141 GBP
Retailer 12£141 GBP
Retailer 7£241 GBP
Retailer 2£243 GBP
Retailer 3£257 GBP
Retailer 13£320 GBP
Retailer 14£330 GBP
Retailer 8£342 GBP
Retailer 9£476 GBP
Retailer 4£493 GBP
MOH London£658 GBP

45 data points across 14 retailers

15 retailers£113 GBP to £658 GBP

A
Cheapest Retailer
-
£113 GBP
$150 USD
A
Retailer 2
-
£131 GBP
$174 USD
View
A
Retailer 3
-
£136 GBP
$181 USD
View
Final sale: no returns
A
Retailer 4
-
£141 GBP
$187 USD
View
A
Retailer 5
-
£141 GBP
$187 USD
View
A
Retailer 6
-
£241 GBP
ZAR 5,174 ZAR
View
A
Retailer 7
-
£243 GBP
View
B+
Retailer 8
-
£257 GBP
$342 USD
View
A
Retailer 9
-
£320 GBP
$425 USD
View
A
Retailer 10
-
£330 GBP
$438 USD
View
A
Retailer 11
-
£342 GBP
A$699 AUD
View
B+
Retailer 12
-
£452 GBP
$600 USD
View
B+
Retailer 13
-
£476 GBP
$633 USD
View
B+
Retailer 14
-
£493 GBP
$655 USD
View
Most Expensive
B+
MOH London
LG675543440 · Oct 26
£658 GBP
View
14 more retailers have this diamond
Prices start from £113 GBPSave up to £545 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
£113 GBP