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Emerald|Lab Grown|IGI

4.27ct D FL Emerald Lab Grown Diamond

ID • D/FL • IGI LG743594052

Shape and cutting style on the report: Emerald cut

Certificate IGI LG743594052

Diamond specifications and retailer prices

From £3,791 GBP
$5,080 USD
As of October 30, 2026
Save £12,299 GBP (76%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £16,090 GBP at With Clarity · As of October 30, 2026
View at With Clarity

About this 4.27ct lab-grown emerald diamond

This 4.27ct 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 LG743594052 or 743594052. Listed at 14 retailers as of October 30, 2026, with prices from £3,791 to £16,090, a £12,299 spread on the same certified stone. With Clarity lists it at £16,090. 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

4.27
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.8°
Pavilion angle45.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG743594052
Dimensions11.34 × 7.60 × 5.04 mm
L/W Ratio1.49
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
11.34 mm7.60 mm4.27 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG743594052
Side View
Table 62.0%Crown 30.8°Girdle: MED-STKPavilion 45.8°Culet: LargeDepth 66.3%

Caratlytics Score

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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: £9,068 GBP|Low: £3,791 GBP|High: £17,307 GBP|Avg: £9,108 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£3,791 GBP
Retailer 13£4,782 GBP
Retailer 12£5,073 GBP
Retailer 6£5,246 GBP
Retailer 5£6,075 GBP
Retailer 4£6,228 GBP
Retailer 8£6,646 GBP
Retailer 2£7,569 GBP
Retailer 9£8,400 GBP
Retailer 7£8,588 GBP
Retailer 1£9,068 GBP
Retailer 3£10,895 GBP
Retailer 10£14,438 GBP
With Clarity£16,090 GBP

40 data points across 14 retailers

14 retailers£3,791 GBP to £16,090 GBP

A
Cheapest Retailer
-
£3,791 GBP
$5,080 USD
A
Retailer 2
-
£4,782 GBP
$6,407 USD
View
A
Retailer 3
-
£5,073 GBP
HK$53,100 HKD
View
A
Retailer 4
-
£5,246 GBP
View
Retailer 5
-
£6,075 GBP
$8,140 USD
View
Price last confirmed 12 days ago
B+
Retailer 6
-
£6,228 GBP
$8,345 USD
View
B+
Retailer 7
-
£6,646 GBP
€8,481 EUR
View
B+
Retailer 8
-
£7,569 GBP
$10,141 USD
View
B+
Retailer 9
-
£8,400 GBP
View
B+
Retailer 10
-
£8,588 GBP
ZAR 185,898 ZAR
View
B+
Retailer 11
-
£9,068 GBP
$12,150 USD
View
B
Retailer 12
-
£10,895 GBP
$14,598 USD
View
B
Retailer 13
-
£14,438 GBP
$19,345 USD
View
Most Expensive
B
With Clarity
743594052 · Oct 30
£16,090 GBP
$21,559 USD
View
13 more retailers have this diamond
Prices start from £3,791 GBPSave up to £12,299 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
4.27ct Emerald
£3,791 GBP