Emerald|Lab Grown|IGI

1.21ct D VS1 Emerald Lab Grown Diamond

ID • D/VS1 • IGI LG652433878

Shape and cutting style on the report: Emerald cut

Certificate IGI LG652433878

Diamond specifications and retailer prices

From £157 GBP
$211 USD
As of October 29, 2026
Save £415 GBP (72%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £790 GBP at MOH London · As of October 5, 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG652433878 or 652433878. Listed at 12 retailers as of October 29, 2026, with a 264% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.5°
Pavilion angle45.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG652433878
Dimensions7.22 × 4.98 × 3.38 mm
L/W Ratio1.45
Culet sizeLarge
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.22 mm4.98 mm1.21 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG652433878
Side View
Table 66.0%Crown 39.5°Girdle: MediumPavilion 45.7°Culet: LargeDepth 67.9%

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: Oct 29
Current: £790 GBP|Low: £157 GBP|High: £790 GBP|Avg: £380 GBP
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
October 31, 2026
Retailer 11£157 GBP
Retailer 10£160 GBP
Retailer 8£166 GBP
Retailer 2£178 GBP
Retailer 9£311 GBP
Retailer 12£335 GBP
Retailer 6£345 GBP
Retailer 5£358 GBP
Retailer 13£476 GBP
Retailer 4£530 GBP
Retailer 7£572 GBP
Retailer 3£629 GBP
MOH London£790 GBP

14 data points across 13 retailers

12 retailers£157 GBP to £572 GBP

A
Cheapest Retailer
-
£157 GBP
$211 USD
A
Retailer 2
-
£160 GBP
$214 USD
View
Final sale: no returns
A
Retailer 3
-
£166 GBP
$223 USD
View
A
Retailer 4
-
£178 GBP
$239 USD
View
A
Retailer 5
-
£311 GBP
$417 USD
View
A
Retailer 6
-
£335 GBP
ZAR 7,250 ZAR
View
A
Retailer 7
-
£345 GBP
$462 USD
View
B+
Retailer 8
-
£476 GBP
A$982 AUD
View
Retailer 9
-
£530 GBP
$710 USD
View
Price last confirmed 11 days ago
B+
Retailer 10
-
£572 GBP
$767 USD
View
Retailer 11
-
£629 GBP
$843 USD
View
Price last confirmed 9 days ago
Most Expensive
MOH London
LG652433878 · Oct 5
£790 GBP
View
Price last confirmed 26 days ago
11 more retailers have this diamond
Prices start from £157 GBPSave up to £415 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
£157 GBP