CaratHunter
Plans
Emerald|Lab Grown|IGI

4.23ct D FL Emerald Lab Grown Diamond

ID • D/FL • IGI LG784644807

Shape and cutting style on the report: Emerald cut

Certificate IGI LG784644807

Diamond specifications and retailer prices

From £2,855 GBP
$3,825 USD
As of October 30, 2026
Save £16,781 GBP (85%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £19,636 GBP at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 4.23ct lab-grown emerald diamond

This 4.23ct 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 LG784644807 or 784644807. Listed at 14 retailers as of October 30, 2026, with prices from £2,855 to £19,636, a £16,781 spread on the same certified stone. Do Amore Diamonds lists it at £19,636. 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

4.23
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784644807
Dimensions10.92 × 7.67 × 4.99 mm
L/W Ratio1.42
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
10.92 mm7.67 mm4.23 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784644807
Side View
Table 68.0%Crown 34.3°Girdle: MED-STKPavilion 38.9°Culet: LargeDepth 65.1%

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: £19,636 GBP|Low: £2,740 GBP|High: £22,472 GBP|Avg: £6,871 GBP|-12.6%
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
October 31, 2026
Retailer 12£2,855 GBP
Retailer 7£2,991 GBP
Retailer 10£3,096 GBP
Retailer 2£3,355 GBP
Retailer 8£3,519 GBP
Retailer 6£3,836 GBP
Retailer 9£4,391 GBP
Retailer 4£4,579 GBP
Retailer 3£5,143 GBP
Retailer 5£5,963 GBP
Retailer 13£6,312 GBP
Retailer 14£7,627 GBP
Retailer 11£8,986 GBP
Do Amore Diamonds£19,636 GBP

36 data points across 14 retailers

14 retailers£2,855 GBP to £19,636 GBP

A
Cheapest Retailer
-
£2,855 GBP
$3,825 USD
A
Retailer 2
-
£2,991 GBP
$4,008 USD
View
A
Retailer 3
-
£3,096 GBP
$4,148 USD
View
A
Retailer 4
-
£3,355 GBP
$4,495 USD
View
A
Retailer 5
-
£3,519 GBP
$4,715 USD
View
A
Retailer 6
-
£3,836 GBP
$5,140 USD
View
Final sale: no returns
A
Retailer 7
-
£4,391 GBP
$5,884 USD
View
A
Retailer 8
-
£4,579 GBP
$6,135 USD
View
A
Retailer 9
-
£5,143 GBP
$6,891 USD
View
Retailer 10
-
£5,963 GBP
$7,990 USD
View
Price last confirmed 12 days ago
B+
Retailer 11
-
£6,312 GBP
€8,055 EUR
View
B+
Retailer 12
-
£7,627 GBP
View
B+
Retailer 13
-
£8,986 GBP
$12,040 USD
View
Most Expensive
B
Do Amore Diamonds
27-E60A14D75 · Oct 31
£19,636 GBP
$26,310 USD
View
13 more retailers have this diamond
Prices start from £2,855 GBPSave up to £16,781 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
4.23ct Emerald
£2,855 GBP