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Emerald|Lab Grown|IGI

1.21ct D SI2 Emerald Lab Grown Diamond

VG • D/SI2 • IGI LG11329701

Shape and cutting style on the report: Emerald cut

Certificate IGI LG11329701

Diamond specifications and retailer prices

From £253 GBP
As of November 1, 2026
Save £422 GBP (63%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £675 GBP at MOH London · As of November 1, 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 D colour (colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI LG11329701 or 11329701. Listed at 4 retailers as of November 1, 2026, with prices from £253 to £675, a £422 spread on the same certified stone. MOH London lists it at £675. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.21
Carat
D
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG11329701
Dimensions6.93 × 5.56 × 3.36 mm
L/W Ratio1.25
Culet sizeNone
Top View
6.93 mm5.56 mm1.21 ctD / SI2
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG11329701
Side View
Table 53.0%CrownGirdle: VTK-ETKPavilion 35°Culet: NoneDepth 60.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £675 GBP|Low: £196 GBP|High: £1,485 GBP|Avg: £809 GBP|-1.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 2£253 GBP
Retailer 3£263 GBP
Retailer 4£331 GBP
MOH London£675 GBP
Retailer 5£1,149 GBP
Retailer 6£1,485 GBP
Retailer 7£1,485 GBP

36 data points across 7 retailers

4 retailers£253 GBP to £675 GBP

B+
Cheapest Retailer
-
£253 GBP
B
Retailer 2
-
£263 GBP
$353 USD
View
B+
Retailer 3
-
£331 GBP
$444 USD
View
Most Expensive
B
MOH London
LG11329701 · Nov 1
£675 GBP
View
3 more retailers have this diamond
Prices start from £253 GBPSave up to £422 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.

B+
1.21ct Emerald
£253 GBP