Emerald|Lab Grown|IGI

1.21ct I VS2 Emerald Lab Grown Diamond

ID • I/VS2 • IGI LG514268645

Shape and cutting style on the report: Emerald cut

Certificate IGI LG514268645

Diamond specifications and retailer prices

From £709 GBP
$950 USD
As of October 31, 2026
Save £1,529 GBP (68%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £3,410 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 I colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG514268645 or 514268645. Listed at 12 retailers as of October 31, 2026, with a 216% 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
I
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle25.3°
Pavilion angle37.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG514268645
Dimensions7.68 × 4.97 × 3.16 mm
L/W Ratio1.55
Culet sizeLong
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.68 mm4.97 mm1.21 ctI / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG514268645
Side View
Table 63.0%Crown 25.3°Girdle: MediumPavilion 37.4°Culet: LNGDepth 63.6%

Caratlytics Score

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

Price History

Last verified: Oct 31
Current: £3,410 GBP|Low: £709 GBP|High: £3,456 GBP|Avg: £1,832 GBP|-1.1%
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 9£709 GBP
Retailer 2£1,029 GBP
Retailer 14£1,120 GBP
Retailer 15£1,152 GBP
Retailer 10£1,194 GBP
Retailer 13£1,194 GBP
Retailer 4£1,321 GBP
Retailer 7£1,344 GBP
Retailer 5£1,624 GBP
Retailer 11£1,887 GBP
Retailer 3£2,167 GBP
Retailer 12£2,238 GBP
Retailer 8£2,673 GBP
Retailer 16£2,889 GBP
MOH London£3,410 GBP
Retailer 6£3,419 GBP

20 data points across 16 retailers

12 retailers£709 GBP to £2,238 GBP

B+
Cheapest Retailer
-
£709 GBP
$950 USD
B
Retailer 2
-
£1,029 GBP
$1,379 USD
View
B
Retailer 3
-
£1,120 GBP
$1,501 USD
View
B
Retailer 4
-
£1,152 GBP
$1,544 USD
View
Final sale: no returns
B
Retailer 5
-
£1,194 GBP
$1,600 USD
View
Retailer 6
-
£1,194 GBP
$1,600 USD
View
Price last confirmed 19 days ago
B
Retailer 7
-
£1,321 GBP
$1,770 USD
View
B
Retailer 8
-
£1,887 GBP
$2,528 USD
View
B
Retailer 9
-
£2,167 GBP
$2,904 USD
View
B
Retailer 10
-
£2,238 GBP
$2,999 USD
View
Retailer 11
-
£2,889 GBP
View
Price under review
Most Expensive
MOH London
LG514268645 · Nov 1
£3,410 GBP
View
Price under review
11 more retailers have this diamond
Prices start from £709 GBPSave up to £1,529 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
£709 GBP