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Emerald|Lab Grown|IGI

3.45ct D IF Emerald Lab Grown Diamond

ID • D/IF • IGI LG729563948

Shape and cutting style on the report: Emerald cut

Certificate IGI LG729563948

Diamond specifications and retailer prices

From £7,135 GBP
$9,560 USD
As of October 29, 2026
1 retailer carries this diamond
Only listing: £7,135 GBP at Brilliant Earth
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Brilliant Earth

About this 3.45ct lab-grown emerald diamond

This 3.45ct lab-grown emerald sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG729563948 or 729563948. Listed at a single retailer as of October 29, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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

3.45
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG729563948
Dimensions10.50 × 7.11 × 4.69 mm
L/W Ratio1.48
Culet sizeLarge
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
10.50 mm7.11 mm3.45 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG729563948
Side View
Table 66.0%Crown 33.3°Girdle: MediumPavilion 38.4°Culet: LargeDepth 66.0%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 29
Current: £7,135 GBP|Low: £1,123 GBP|High: £10,770 GBP|Avg: £3,705 GBP|-16.6%
Brilliant Earth
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July 28, 2026
Retailer 14£1,123 GBP
Retailer 13£1,754 GBP
Retailer 10£1,891 GBP
Retailer 11£2,145 GBP
Retailer 7£2,285 GBP
Retailer 5£2,622 GBP
Retailer 9£2,742 GBP
Retailer 2£2,890 GBP
Retailer 6£3,005 GBP
Retailer 4£3,378 GBP
Retailer 3£4,747 GBP
Retailer 8£4,899 GBP
Retailer 12£5,710 GBP
Brilliant Earth£7,135 GBP

45 data points across 14 retailers

1 retailer

B
Brilliant Earth
16444202A · Oct 29
£7,135 GBP
$9,560 USD
View

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B
3.45ct Emerald
£7,135 GBP