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Emerald|Lab Grown|IGI

3.03ct F IF Emerald Lab Grown Diamond

EX • F/IF • IGI LG689539590

Shape and cutting style on the report: Emerald cut

Certificate IGI LG689539590

Diamond specifications and retailer prices

From £1,023 GBP
As of November 4, 2026
Save £6,340 GBP (86%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £7,363 GBP at Brilliant Earth · As of November 4, 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 F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG689539590 or 689539590. Listed at 2 retailers as of November 4, 2026, with prices from £1,023 to £7,363, a £6,340 spread on the same certified stone. Brilliant Earth lists it at £7,363. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.03
Carat
F
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.4°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG689539590
Dimensions9.99 × 6.76 mm
L/W Ratio1.48
Culet sizeLong
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
9.99 mm6.76 mm3.03 ctF / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG689539590
Side View
Table 63.0%Crown 38.4°Girdle: MediumPavilion 40.8°Culet: LNGDepth 67.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: £7,363 GBP|Low: £959 GBP|High: £7,363 GBP|Avg: £2,601 GBP
Brilliant Earth
Retailer 2
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September 28, 2026
Retailer 5£959 GBP
Retailer 2£1,023 GBP
Retailer 15£1,081 GBP
Retailer 9£1,092 GBP
Retailer 12£1,103 GBP
Retailer 3£1,191 GBP
Retailer 7£1,430 GBP
Retailer 10£1,582 GBP
Retailer 14£1,757 GBP
Retailer 11£2,133 GBP
Retailer 13£2,380 GBP
Retailer 4£2,550 GBP
Retailer 6£3,150 GBP
Retailer 8£3,522 GBP
Brilliant Earth£7,363 GBP

65 data points across 15 retailers

2 retailers£1,023 GBP to £7,363 GBP

A
Cheapest Retailer
-
£1,023 GBP
Final sale: no returns
Most Expensive
B
Brilliant Earth
14020586A · Nov 4
£7,363 GBP
$9,940 USD
View
1 more retailer has this diamond
Prices start from £1,023 GBPSave up to £6,340 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
£1,023 GBP