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Emerald|Lab Grown|IGI

4.31ct D FL Emerald Lab Grown Diamond

ID • D/FL • IGI LG780662169

Shape and cutting style on the report: Emerald cut

Certificate IGI LG780662169

Diamond specifications and retailer prices

From £2,905 GBP
$3,893 USD
As of October 30, 2026
Save £17,133 GBP (86%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £20,039 GBP at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 4.31ct lab-grown emerald diamond

This 4.31ct 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 LG780662169 or 780662169. Listed at 15 retailers as of October 29, 2026, with prices from £2,905 to £20,039, a £17,133 spread on the same certified stone. Do Amore Diamonds lists it at £20,039. 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

4.31
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.2°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780662169
Dimensions10.82 × 7.72 × 5.24 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
10.82 mm7.72 mm4.31 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780662169
Side View
Table 62.0%Crown 37.2°Girdle: MED-STKPavilion 40.6°Culet: LargeDepth 67.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £20,039 GBP|Low: £2,790 GBP|High: £22,882 GBP|Avg: £7,437 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£2,905 GBP
Retailer 4£3,052 GBP
Retailer 13£3,157 GBP
Retailer 15£3,422 GBP
Retailer 5£3,642 GBP
Retailer 6£3,906 GBP
Retailer 14£4,482 GBP
Retailer 3£4,661 GBP
Retailer 12£5,234 GBP
Retailer 7£5,775 GBP
Retailer 10£6,431 GBP
Retailer 11£7,764 GBP
Retailer 8£9,257 GBP
Retailer 2£9,322 GBP
Do Amore Diamonds£20,039 GBP

33 data points across 15 retailers

15 retailers£2,905 GBP to £20,039 GBP

A
Cheapest Retailer
-
£2,905 GBP
$3,893 USD
A
Retailer 2
-
£3,052 GBP
$4,090 USD
View
A
Retailer 3
-
£3,157 GBP
$4,230 USD
View
A
Retailer 4
-
£3,422 GBP
$4,585 USD
View
A
Retailer 5
-
£3,642 GBP
$4,880 USD
View
A
Retailer 6
-
£3,906 GBP
$5,234 USD
View
Final sale: no returns
A
Retailer 7
-
£4,482 GBP
$6,005 USD
View
A
Retailer 8
-
£4,661 GBP
$6,245 USD
View
A
Retailer 9
-
£5,234 GBP
$7,013 USD
View
Retailer 10
-
£5,775 GBP
$7,738 USD
View
Price last confirmed 82 days ago
B+
Retailer 11
-
£6,431 GBP
€8,207 EUR
View
B+
Retailer 12
-
£7,764 GBP
View
B+
Retailer 13
-
£9,257 GBP
$12,404 USD
View
B+
Retailer 14
-
£9,322 GBP
$12,490 USD
View
Most Expensive
B
Do Amore Diamonds
27-912D572D2 · Oct 29
£20,039 GBP
$26,850 USD
View
14 more retailers have this diamond
Prices start from £2,905 GBPSave up to £17,133 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
4.31ct Emerald
£2,905 GBP