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Emerald|Lab Grown|IGI

4.30ct D FL Emerald Lab Grown Diamond

ID • D/FL • IGI LG780661298

Shape and cutting style on the report: Emerald cut

Certificate IGI LG780661298

Diamond specifications and retailer prices

From £2,899 GBP
$3,885 USD
As of October 30, 2026
Save £17,095 GBP (85%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £19,994 GBP at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 4.3ct lab-grown emerald diamond

This 4.3ct lab-grown emerald sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG780661298 or 780661298. Listed at 15 retailers as of October 30, 2026, with prices from £2,899 to £19,994, a £17,095 spread on the same certified stone. Do Amore Diamonds lists it at £19,994. 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

4.30
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780661298
Dimensions10.77 × 7.67 × 4.99 mm
L/W Ratio1.40
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
10.77 mm7.67 mm4.30 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780661298
Side View
Table 65.0%Crown 33°Girdle: MediumPavilion 40.9°Culet: LargeDepth 65.1%

Caratlytics Score

How it works →
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: Oct 30
Current: £19,994 GBP|Low: £2,783 GBP|High: £22,830 GBP|Avg: £7,423 GBP|-12.4%
Do Amore Diamonds
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 30, 2026
Retailer 9£2,899 GBP
Retailer 4£3,046 GBP
Retailer 13£3,150 GBP
Retailer 15£3,414 GBP
Retailer 5£3,626 GBP
Retailer 6£3,896 GBP
Retailer 14£4,471 GBP
Retailer 3£4,650 GBP
Retailer 12£5,224 GBP
Retailer 7£5,768 GBP
Retailer 10£6,416 GBP
Retailer 11£7,747 GBP
Retailer 8£9,236 GBP
Retailer 2£9,299 GBP
Do Amore Diamonds£19,994 GBP

33 data points across 15 retailers

15 retailers£2,899 GBP to £19,994 GBP

A
Cheapest Retailer
-
£2,899 GBP
$3,885 USD
A
Retailer 2
-
£3,046 GBP
$4,081 USD
View
A
Retailer 3
-
£3,150 GBP
$4,221 USD
View
A
Retailer 4
-
£3,414 GBP
$4,575 USD
View
A
Retailer 5
-
£3,626 GBP
$4,859 USD
View
A
Retailer 6
-
£3,896 GBP
$5,220 USD
View
Final sale: no returns
A
Retailer 7
-
£4,471 GBP
$5,991 USD
View
A
Retailer 8
-
£4,650 GBP
$6,231 USD
View
A
Retailer 9
-
£5,224 GBP
$6,999 USD
View
Retailer 10
-
£5,768 GBP
$7,729 USD
View
Price last confirmed 81 days ago
B+
Retailer 11
-
£6,416 GBP
€8,187 EUR
View
B+
Retailer 12
-
£7,747 GBP
View
B+
Retailer 13
-
£9,236 GBP
$12,376 USD
View
B
Retailer 14
-
£9,299 GBP
$12,460 USD
View
Most Expensive
B
Do Amore Diamonds
27-E02389E78 · Oct 30
£19,994 GBP
$26,790 USD
View
14 more retailers have this diamond
Prices start from £2,899 GBPSave up to £17,095 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
4.30ct Emerald
£2,899 GBP