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Emerald|Lab Grown|IGI

4.30ct D FL Emerald Lab Grown Diamond

ID • D/FL • IGI LG804659315

Shape and cutting style on the report: Emerald cut

Certificate IGI LG804659315

Diamond specifications and retailer prices

From £3,485 GBP
$4,669 USD
As of October 29, 2026
Save £11,055 GBP (76%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £14,539 GBP at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 4.3ct lab-grown emerald diamond

This 4.3ct 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 LG804659315 or 804659315. Listed at 13 retailers as of October 29, 2026, with prices from £3,485 to £14,539, a £11,055 spread on the same certified stone. Taylor and Hart lists it at £14,539. 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

4.30
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.7°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804659315
Dimensions10.79 × 7.70 × 5.09 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
10.79 mm7.70 mm4.30 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804659315
Side View
Table 62.0%Crown 37.7°Girdle: MED-STKPavilion 38.4°Culet: LargeDepth 66.1%

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 29
Current: £9,299 GBP|Low: £3,485 GBP|High: £16,904 GBP|Avg: £8,488 GBP|-45.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Taylor and Hart
October 30, 2026
Retailer 10£3,485 GBP
Retailer 12£3,575 GBP
Retailer 11£5,168 GBP
Retailer 5£5,283 GBP
Retailer 4£6,271 GBP
Retailer 7£6,693 GBP
Retailer 2£6,904 GBP
Retailer 8£8,457 GBP
Retailer 6£8,646 GBP
Retailer 1£9,299 GBP
Retailer 3£10,972 GBP
Retailer 9£13,761 GBP
Taylor and Hart£14,539 GBP

42 data points across 13 retailers

13 retailers£3,485 GBP to £14,539 GBP

A
Cheapest Retailer
-
£3,485 GBP
$4,669 USD
A
Retailer 2
-
£3,575 GBP
$4,790 USD
View
A
Retailer 3
-
£5,168 GBP
HK$54,100 HKD
View
A
Retailer 4
-
£5,283 GBP
View
B+
Retailer 5
-
£6,271 GBP
$8,402 USD
View
B+
Retailer 6
-
£6,693 GBP
€8,541 EUR
View
B+
Retailer 7
-
£6,904 GBP
$9,251 USD
View
B+
Retailer 8
-
£8,457 GBP
View
B+
Retailer 9
-
£8,646 GBP
ZAR 187,146 ZAR
View
B+
Retailer 10
-
£9,299 GBP
$12,460 USD
View
B
Retailer 11
-
£10,972 GBP
$14,701 USD
View
B
Retailer 12
-
£13,761 GBP
$18,438 USD
View
Most Expensive
B
Taylor and Hart
PP0Y3K6 · Oct 30
£14,539 GBP
$19,481 USD
View
12 more retailers have this diamond
Prices start from £3,485 GBPSave up to £11,055 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
4.30ct Emerald
£3,485 GBP