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Emerald|Lab Grown|IGI

1.21ct G SI1 Emerald Lab Grown Diamond

ID • G/SI1 • IGI LG561249788

Shape and cutting style on the report: Emerald cut

Certificate IGI LG561249788

Diamond specifications and retailer prices

From £109 GBP
As of November 4, 2026
Save £938 GBP (90%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £1,048 GBP at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG561249788 or 561249788. Listed at 10 retailers as of November 4, 2026, with prices from £109 to £1,048, a £938 spread on the same certified stone. Do Amore Diamonds lists it at £1,048. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.21
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG561249788
Dimensions7.47 × 5.01 × 3.29 mm
L/W Ratio1.49
Culet sizeLarge
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
7.47 mm5.01 mm1.21 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG561249788
Side View
Table 65.0%Crown 34.2°Girdle: MediumPavilion 39.4°Culet: LargeDepth 65.7%

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: Nov 4
Current: £1,048 GBP|Low: £105 GBP|High: £1,048 GBP|Avg: £384 GBP
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 5£109 GBP
Retailer 4£126 GBP
Retailer 7£135 GBP
Retailer 9£135 GBP
Retailer 10£249 GBP
Retailer 2£259 GBP
Retailer 8£459 GBP
Retailer 6£480 GBP
Retailer 3£698 GBP
Do Amore Diamonds£1,048 GBP

39 data points across 10 retailers

10 retailers£109 GBP to £1,048 GBP

A
Cheapest Retailer
-
£109 GBP
A
Retailer 2
-
£126 GBP
View
Retailer 3
-
£135 GBP
View
Price last confirmed 12 days ago
A
Retailer 4
-
£135 GBP
View
B+
Retailer 5
-
£249 GBP
View
A
Retailer 6
-
£259 GBP
View
B+
Retailer 7
-
£459 GBP
View
B
Retailer 8
-
£480 GBP
View
B
Retailer 9
-
£698 GBP
View
Most Expensive
B
Do Amore Diamonds
27-076E4A1E0 · Nov 4
£1,048 GBP
$1,410 USD
View
9 more retailers have this diamond
Prices start from £109 GBPSave up to £938 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
£109 GBP