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Emerald|Lab Grown|IGI

4.43ct D FL Emerald Lab Grown Diamond

EX • D/FL • IGI LG768630663

Shape and cutting style on the report: Emerald cut

Certificate IGI LG768630663

Diamond specifications and retailer prices

From £3,945 GBP
$5,254 USD
As of October 29, 2026
Save £13,581 GBP (77%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £17,527 GBP at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 4.43ct lab-grown emerald diamond

This 4.43ct 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 LG768630663 or 768630663. Listed at 13 retailers as of October 28, 2026, with prices from £3,945 to £17,527, a £13,581 spread on the same certified stone. Brilliant Earth lists it at £17,527. 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

4.43
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle28.4°
Pavilion angle37.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768630663
Dimensions11.21 × 7.54 × 5.06 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
11.21 mm7.54 mm4.43 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768630663
Side View
Table 61.0%Crown 28.4°Girdle: MediumPavilion 37.5°Culet: LargeDepth 67.1%

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: £17,527 GBP|Low: £3,945 GBP|High: £18,067 GBP|Avg: £9,663 GBP|-3.0%
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
October 29, 2026
Retailer 10£3,945 GBP
Retailer 12£5,131 GBP
Retailer 11£5,296 GBP
Retailer 7£5,340 GBP
Retailer 5£6,499 GBP
Retailer 2£6,937 GBP
Retailer 13£7,898 GBP
Retailer 6£8,603 GBP
Retailer 8£8,915 GBP
Retailer 4£11,373 GBP
Retailer 9£15,072 GBP
Retailer 3£16,795 GBP
Brilliant Earth£17,527 GBP

40 data points across 13 retailers

13 retailers£3,945 GBP to £17,527 GBP

A
Cheapest Retailer
-
£3,945 GBP
$5,254 USD
A
Retailer 2
-
£5,131 GBP
$6,833 USD
View
A
Retailer 3
-
£5,296 GBP
HK$55,100 HKD
View
A
Retailer 4
-
£5,340 GBP
View
B+
Retailer 5
-
£6,499 GBP
$8,655 USD
View
B+
Retailer 6
-
£6,937 GBP
€8,798 EUR
View
B+
Retailer 7
-
£7,898 GBP
$10,518 USD
View
B+
Retailer 8
-
£8,603 GBP
View
B+
Retailer 9
-
£8,915 GBP
ZAR 191,796 ZAR
View
B
Retailer 10
-
£11,373 GBP
$15,145 USD
View
B
Retailer 11
-
£15,072 GBP
$20,072 USD
View
B
Retailer 12
-
£16,795 GBP
$22,366 USD
View
Most Expensive
B
Brilliant Earth
18918924A · Oct 28
£17,527 GBP
$23,340 USD
View
12 more retailers have this diamond
Prices start from £3,945 GBPSave up to £13,581 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
4.43ct Emerald
£3,945 GBP