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Emerald|Lab Grown|IGI

4.37ct D FL Emerald Lab Grown Diamond

ID • D/FL • IGI LG754508073

Shape and cutting style on the report: Emerald cut

Certificate IGI LG754508073

Diamond specifications and retailer prices

From £3,873 GBP
$5,189 USD
As of October 29, 2026
Save £13,308 GBP (77%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £17,181 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 4.37ct lab-grown emerald diamond

This 4.37ct 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 LG754508073 or 754508073. Listed at 14 retailers as of October 29, 2026, with prices from £3,873 to £17,181, a £13,308 spread on the same certified stone. Brilliant Earth lists it at £17,181. 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

4.37
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle28.8°
Pavilion angle38.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754508073
Dimensions10.95 × 7.83 × 5.08 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
10.95 mm7.83 mm4.37 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754508073
Side View
Table 68.0%Crown 28.8°Girdle: Slightly ThickPavilion 38.5°Culet: LargeDepth 64.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £17,181 GBP|Low: £3,873 GBP|High: £17,802 GBP|Avg: £9,733 GBP
Brilliant Earth
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 30, 2026
Retailer 11£3,873 GBP
Retailer 13£4,979 GBP
Retailer 12£5,197 GBP
Retailer 2£5,252 GBP
Retailer 6£6,372 GBP
Retailer 8£6,801 GBP
Retailer 14£7,744 GBP
Retailer 9£8,587 GBP
Retailer 7£8,780 GBP
Retailer 5£11,150 GBP
Retailer 10£14,777 GBP
Retailer 3£15,033 GBP
Retailer 4£16,467 GBP
Brilliant Earth£17,181 GBP

41 data points across 14 retailers

14 retailers£3,873 GBP to £17,181 GBP

A
Cheapest Retailer
-
£3,873 GBP
$5,189 USD
A
Retailer 2
-
£4,979 GBP
$6,671 USD
View
A
Retailer 3
-
£5,197 GBP
HK$54,400 HKD
View
A
Retailer 4
-
£5,252 GBP
View
B+
Retailer 5
-
£6,372 GBP
$8,538 USD
View
B+
Retailer 6
-
£6,801 GBP
€8,679 EUR
View
B+
Retailer 7
-
£7,744 GBP
$10,376 USD
View
B+
Retailer 8
-
£8,587 GBP
View
B+
Retailer 9
-
£8,780 GBP
ZAR 190,056 ZAR
View
B
Retailer 10
-
£11,150 GBP
$14,940 USD
View
B
Retailer 11
-
£14,777 GBP
$19,799 USD
View
B
Retailer 12
-
£15,033 GBP
SGD 27,219 SGD
View
B
Retailer 13
-
£16,467 GBP
$22,064 USD
View
Most Expensive
B
Brilliant Earth
17311538A · Oct 29
£17,181 GBP
$23,020 USD
View
13 more retailers have this diamond
Prices start from £3,873 GBPSave up to £13,308 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
4.37ct Emerald
£3,873 GBP