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Emerald|Lab Grown|IGI

1.21ct D VS1 Emerald Lab Grown Diamond

ID • D/VS1 • IGI LG836667605

Shape and cutting style on the report: Emerald cut

Certificate IGI LG836667605

Diamond specifications and retailer prices

From £145 GBP
$194 USD
As of October 30, 2026
Save £696 GBP (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £841 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG836667605 or 836667605. Listed at 16 retailers as of October 30, 2026, with prices from £145 to £841, a £696 spread on the same certified stone. MOH London lists it at £841. 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 angle33.4°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836667605
Dimensions7.45 × 4.95 × 3.35 mm
L/W Ratio1.51
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.45 mm4.95 mm1.21 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836667605
Side View
Table 66.0%Crown 33.4°Girdle: MediumPavilion 41.6°Culet: LargeDepth 67.7%

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 30
Current: £841 GBP|Low: £139 GBP|High: £993 GBP|Avg: £476 GBP|-0.1%
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
Retailer 15
Retailer 16
November 1, 2026
Retailer 13£145 GBP
Retailer 14£168 GBP
Retailer 7£201 GBP
Retailer 4£313 GBP
Retailer 15£355 GBP
Retailer 3£363 GBP
Retailer 10£439 GBP
Retailer 11£511 GBP
Retailer 9£518 GBP
Retailer 16£534 GBP
Retailer 5£578 GBP
Retailer 12£580 GBP
Retailer 8£581 GBP
Retailer 6£582 GBP
Retailer 2£784 GBP
MOH London£841 GBP

25 data points across 16 retailers

16 retailers£145 GBP to £841 GBP

A
Cheapest Retailer
-
£145 GBP
$194 USD
A
Retailer 2
-
£168 GBP
$225 USD
View
A
Retailer 3
-
£201 GBP
HK$2,100 HKD
View
A
Retailer 4
-
£313 GBP
$419 USD
View
A
Retailer 5
-
£355 GBP
$475 USD
View
A
Retailer 6
-
£363 GBP
$486 USD
View
B+
Retailer 7
-
£439 GBP
A$904 AUD
View
B+
Retailer 8
-
£511 GBP
$685 USD
View
B+
Retailer 9
-
£518 GBP
A$1,067 AUD
View
B+
Retailer 10
-
£534 GBP
$716 USD
View
B+
Retailer 11
-
£578 GBP
$774 USD
View
B+
Retailer 12
-
£580 GBP
$777 USD
View
B+
Retailer 13
-
£582 GBP
SGD 1,053 SGD
View
B
Retailer 14
-
£600 GBP
$804 USD
View
B
Retailer 15
-
£784 GBP
$1,050 USD
View
Most Expensive
B
MOH London
LG836667605 · Nov 1
£841 GBP
View
15 more retailers have this diamond
Prices start from £145 GBPSave up to £696 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
£145 GBP