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Emerald|Lab Grown|IGI

4.26ct D FL Emerald Lab Grown Diamond

ID • D/FL • IGI LG804659422

Shape and cutting style on the report: Emerald cut

Certificate IGI LG804659422

Diamond specifications and retailer prices

From £3,783 GBP
$5,069 USD
As of October 30, 2026
Save £17,620 GBP (82%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £21,403 GBP at With Clarity · As of October 30, 2026
View at With Clarity

About this 4.26ct lab-grown emerald diamond

This 4.26ct 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 LG804659422 or 804659422. Listed at 14 retailers as of October 30, 2026, with prices from £3,783 to £21,403, a £17,620 spread on the same certified stone. With Clarity lists it at £21,403. 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

4.26
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.2°
Pavilion angle42.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804659422
Dimensions10.70 × 7.59 × 5.17 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
10.70 mm7.59 mm4.26 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804659422
Side View
Table 63.0%Crown 37.2°Girdle: MediumPavilion 42.5°Culet: LargeDepth 68.1%

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: £9,046 GBP|Low: £3,783 GBP|High: £22,037 GBP|Avg: £9,365 GBP|-47.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
With Clarity
October 30, 2026
Retailer 11£3,783 GBP
Retailer 13£4,762 GBP
Retailer 12£5,063 GBP
Retailer 6£5,234 GBP
Retailer 5£6,068 GBP
Retailer 4£6,213 GBP
Retailer 8£6,630 GBP
Retailer 2£7,551 GBP
Retailer 9£8,381 GBP
Retailer 7£8,569 GBP
Retailer 1£9,046 GBP
Retailer 3£10,870 GBP
Retailer 10£14,404 GBP
With Clarity£21,403 GBP

40 data points across 14 retailers

14 retailers£3,783 GBP to £21,403 GBP

A
Cheapest Retailer
-
£3,783 GBP
$5,069 USD
A
Retailer 2
-
£4,762 GBP
$6,381 USD
View
A
Retailer 3
-
£5,063 GBP
HK$53,000 HKD
View
A
Retailer 4
-
£5,234 GBP
View
Retailer 5
-
£6,068 GBP
$8,130 USD
View
Price last confirmed 12 days ago
B+
Retailer 6
-
£6,213 GBP
$8,325 USD
View
B+
Retailer 7
-
£6,630 GBP
€8,461 EUR
View
B+
Retailer 8
-
£7,551 GBP
$10,117 USD
View
B+
Retailer 9
-
£8,381 GBP
View
B+
Retailer 10
-
£8,569 GBP
ZAR 185,483 ZAR
View
B+
Retailer 11
-
£9,046 GBP
$12,120 USD
View
B
Retailer 12
-
£10,870 GBP
$14,564 USD
View
B
Retailer 13
-
£14,404 GBP
$19,299 USD
View
Most Expensive
B
With Clarity
804659422 · Oct 30
£21,403 GBP
$28,678 USD
View
13 more retailers have this diamond
Prices start from £3,783 GBPSave up to £17,620 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
4.26ct Emerald
£3,783 GBP