Emerald|Lab Grown|IGI

4.54ct D FL Emerald Lab Grown Diamond

ID • D/FL • IGI LG804659843

Shape and cutting style on the report: Emerald cut

Certificate IGI LG804659843

Diamond specifications and retailer prices

From £6,231 GBP
$8,349 USD
As of October 30, 2026
Save £12,676 GBP (67%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £29,357 GBP at With Clarity · As of October 30, 2026
View at With Clarity

About this 4.54ct lab-grown emerald diamond

This 4.54ct 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 LG804659843 or 804659843. Listed at 11 retailers as of October 30, 2026, with a 203% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

4.54
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle37.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804659843
Dimensions11.01 × 7.81 × 5.18 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
11.01 mm7.81 mm4.54 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804659843
Side View
Table 64.0%Crown 35.4°Girdle: MediumPavilion 37.6°Culet: LargeDepth 66.3%

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: £10,031 GBP|Low: £6,231 GBP|High: £31,647 GBP|Avg: £13,835 GBP|-46.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
With Clarity
October 30, 2026
Retailer 6£6,231 GBP
Retailer 2£6,850 GBP
Retailer 8£6,945 GBP
Retailer 7£8,508 GBP
Retailer 3£9,093 GBP
Retailer 1£10,031 GBP
Retailer 4£10,973 GBP
Retailer 5£14,909 GBP
Retailer 9£18,907 GBP
With Clarity£29,357 GBP

42 data points across 10 retailers

11 retailers£6,231 GBP to £18,907 GBP

A
Cheapest Retailer
-
£6,231 GBP
$8,349 USD
Retailer 2
-
£6,694 GBP
$8,969 USD
View
Price last confirmed 81 days ago
A
Retailer 3
-
£6,850 GBP
View
B+
Retailer 4
-
£6,945 GBP
HK$72,700 HKD
View
B+
Retailer 5
-
£8,508 GBP
$11,400 USD
View
B+
Retailer 6
-
£9,093 GBP
€11,604 EUR
View
B+
Retailer 7
-
£10,031 GBP
$13,440 USD
View
B+
Retailer 8
-
£10,973 GBP
View
B
Retailer 9
-
£14,909 GBP
$19,976 USD
View
B
Retailer 10
-
£18,907 GBP
$25,334 USD
View
Most Expensive
With Clarity
804659843 · Oct 30
£29,357 GBP
$39,335 USD
View
Price under review
10 more retailers have this diamond
Prices start from £6,231 GBPSave up to £12,676 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
4.54ct Emerald
£6,231 GBP