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Emerald|Lab Grown|IGI

4.29ct D FL Emerald Lab Grown Diamond

EX • D/FL • IGI LG804665157

Shape and cutting style on the report: Emerald cut

Certificate IGI LG804665157

Diamond specifications and retailer prices

From £2,893 GBP
$3,876 USD
As of October 30, 2026
Save £17,057 GBP (85%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £19,949 GBP at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 4.29ct lab-grown emerald diamond

This 4.29ct 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 LG804665157 or 804665157. Listed at 13 retailers as of October 30, 2026, with prices from £2,893 to £19,949, a £17,057 spread on the same certified stone. Do Amore Diamonds lists it at £19,949. 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

4.29
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804665157
Dimensions10.63 × 7.55 × 4.97 mm
L/W Ratio1.41
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
10.63 mm7.55 mm4.29 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804665157
Side View
Table 62.0%Crown 33°Girdle: STK-THKPavilion 39.3°Culet: LargeDepth 65.8%

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: £19,949 GBP|Low: £2,777 GBP|High: £22,778 GBP|Avg: £7,244 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
October 30, 2026
Retailer 6£2,893 GBP
Retailer 3£3,039 GBP
Retailer 10£3,144 GBP
Retailer 12£3,407 GBP
Retailer 4£3,611 GBP
Retailer 5£3,888 GBP
Retailer 11£4,462 GBP
Retailer 13£4,640 GBP
Retailer 9£5,212 GBP
Retailer 7£6,402 GBP
Retailer 8£7,730 GBP
Retailer 2£9,105 GBP
Do Amore Diamonds£19,949 GBP

32 data points across 13 retailers

13 retailers£2,893 GBP to £19,949 GBP

A
Cheapest Retailer
-
£2,893 GBP
$3,876 USD
A
Retailer 2
-
£3,039 GBP
$4,072 USD
View
A
Retailer 3
-
£3,144 GBP
$4,212 USD
View
A
Retailer 4
-
£3,407 GBP
$4,565 USD
View
A
Retailer 5
-
£3,611 GBP
$4,839 USD
View
A
Retailer 6
-
£3,888 GBP
$5,210 USD
View
Final sale: no returns
A
Retailer 7
-
£4,462 GBP
$5,978 USD
View
A
Retailer 8
-
£4,640 GBP
$6,217 USD
View
A
Retailer 9
-
£5,212 GBP
$6,984 USD
View
B+
Retailer 10
-
£6,402 GBP
€8,169 EUR
View
B+
Retailer 11
-
£7,730 GBP
View
B+
Retailer 12
-
£9,105 GBP
$12,200 USD
View
Most Expensive
B
Do Amore Diamonds
27-6C1A8273B · Oct 30
£19,949 GBP
$26,730 USD
View
12 more retailers have this diamond
Prices start from £2,893 GBPSave up to £17,057 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
4.29ct Emerald
£2,893 GBP