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Emerald|Lab Grown|IGI

3.03ct G SI1 Emerald Lab Grown Diamond

ID • G/SI1 • IGI LG818682281

Shape and cutting style on the report: Emerald cut

Certificate IGI LG818682281

Diamond specifications and retailer prices

From £278 GBP
$373 USD
As of October 30, 2026
Save £1,998 GBP (88%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £2,276 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 3.03ct lab-grown emerald diamond

This 3.03ct lab-grown emerald sits in the three to five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG818682281 or 818682281. Listed at 15 retailers as of October 30, 2026, with prices from £278 to £2,276, a £1,998 spread on the same certified stone. Brilliant Earth lists it at £2,276. 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

3.03
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818682281
Dimensions9.83 × 6.75 × 4.66 mm
L/W Ratio1.46
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.83 mm6.75 mm3.03 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818682281
Side View
Table 71.0%Crown 34.7°Girdle: MediumPavilion 41.6°Culet: LargeDepth 69.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: £2,276 GBP|Low: £264 GBP|High: £2,351 GBP|Avg: £830 GBP
Brilliant Earth
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
October 31, 2026
Retailer 4£278 GBP
Retailer 14£311 GBP
Retailer 13£323 GBP
Retailer 5£346 GBP
Retailer 7£346 GBP
Retailer 11£459 GBP
Retailer 2£624 GBP
Retailer 10£636 GBP
Retailer 8£872 GBP
Retailer 15£1,102 GBP
Retailer 6£1,111 GBP
Retailer 12£1,140 GBP
Retailer 9£1,357 GBP
Retailer 3£1,362 GBP
Brilliant Earth£2,276 GBP

36 data points across 15 retailers

15 retailers£278 GBP to £2,276 GBP

A
Cheapest Retailer
-
£278 GBP
$373 USD
A
Retailer 2
-
£311 GBP
$417 USD
View
Final sale: no returns
A
Retailer 3
-
£323 GBP
$433 USD
View
A
Retailer 4
-
£346 GBP
$463 USD
View
A
Retailer 5
-
£346 GBP
$463 USD
View
A
Retailer 6
-
£459 GBP
$615 USD
View
A
Retailer 7
-
£624 GBP
View
A
Retailer 8
-
£636 GBP
$852 USD
View
B+
Retailer 9
-
£872 GBP
$1,169 USD
View
B+
Retailer 10
-
£1,102 GBP
SGD 1,996 SGD
View
B+
Retailer 11
-
£1,111 GBP
$1,488 USD
View
B+
Retailer 12
-
£1,140 GBP
$1,527 USD
View
B
Retailer 13
-
£1,357 GBP
View
B
Retailer 14
-
£1,362 GBP
$1,825 USD
View
Most Expensive
B
Brilliant Earth
21636349A · Oct 30
£2,276 GBP
$3,050 USD
View
14 more retailers have this diamond
Prices start from £278 GBPSave up to £1,998 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
3.03ct Emerald
£278 GBP