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Emerald|Lab Grown|IGI

4.36ct D FL Emerald Lab Grown Diamond

ID • D/FL • IGI LG821638864

Shape and cutting style on the report: Emerald cut

Certificate IGI LG821638864

Diamond specifications and retailer prices

From £2,956 GBP
$3,936 USD
As of October 30, 2026
Save £17,432 GBP (86%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £20,388 GBP at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 4.36ct lab-grown emerald diamond

This 4.36ct 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 LG821638864 or 821638864. Listed at 11 retailers as of October 29, 2026, with prices from £2,956 to £20,388, a £17,432 spread on the same certified stone. Do Amore Diamonds lists it at £20,388. 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

4.36
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle42.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821638864
Dimensions10.68 × 7.64 × 5.18 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
10.68 mm7.64 mm4.36 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821638864
Side View
Table 58.0%Crown 33.6°Girdle: STK-THKPavilion 42.1°Culet: LargeDepth 67.8%

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: £20,388 GBP|Low: £2,956 GBP|High: £25,019 GBP|Avg: £9,789 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
October 30, 2026
Retailer 2£2,956 GBP
Retailer 9£3,481 GBP
Retailer 11£3,741 GBP
Retailer 8£4,559 GBP
Retailer 10£4,741 GBP
Retailer 7£5,325 GBP
Retailer 5£6,547 GBP
Retailer 6£7,898 GBP
Retailer 3£9,978 GBP
Retailer 12£17,249 GBP
Do Amore Diamonds£20,388 GBP
Retailer 4£24,796 GBP

33 data points across 12 retailers

11 retailers£2,956 GBP to £20,388 GBP

A
Cheapest Retailer
-
£2,956 GBP
$3,936 USD
A
Retailer 2
-
£3,481 GBP
$4,635 USD
View
Retailer 3
-
£3,642 GBP
$4,850 USD
View
Price last confirmed 38 days ago
A
Retailer 4
-
£3,741 GBP
$4,982 USD
View
A
Retailer 5
-
£4,559 GBP
$6,071 USD
View
A
Retailer 6
-
£4,741 GBP
$6,314 USD
View
A
Retailer 7
-
£5,325 GBP
$7,091 USD
View
B+
Retailer 8
-
£6,547 GBP
€8,303 EUR
View
B+
Retailer 9
-
£7,898 GBP
View
B
Retailer 10
-
£17,249 GBP
$22,970 USD
View
Most Expensive
B
Do Amore Diamonds
27-4BA44BDA5 · Oct 29
£20,388 GBP
$27,150 USD
View
10 more retailers have this diamond
Prices start from £2,956 GBPSave up to £17,432 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
4.36ct Emerald
£2,956 GBP