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Emerald|Lab Grown|IGI

4.59ct D FL Emerald Lab Grown Diamond

EX • D/FL • IGI LG790611967

Shape and cutting style on the report: Emerald cut

Certificate IGI LG790611967

Diamond specifications and retailer prices

From £5,199 GBP
$6,966 USD
As of October 30, 2026
Save £15,893 GBP (75%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £21,092 GBP at Michael Trio · As of October 30, 2026
View at Michael Trio

About this 4.59ct lab-grown emerald diamond

This 4.59ct 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 LG790611967 or 790611967. Listed at 24 retailers as of October 30, 2026, with prices from £5,199 to £21,092, a £15,893 spread on the same certified stone. Michael Trio lists it at £21,092. 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

4.59
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle29.9°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790611967
Dimensions11.25 × 7.73 × 5.23 mm
L/W Ratio1.46
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
11.25 mm7.73 mm4.59 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG790611967
Side View
Table 62.0%Crown 29.9°Girdle: MediumPavilion 39.1°Culet: LargeDepth 67.7%

Caratlytics Score

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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 30
Current: £21,092 GBP|Low: £4,991 GBP|High: £21,092 GBP|Avg: £9,183 GBP
Michael Trio
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Retailer 18
October 30, 2026
Retailer 17£5,199 GBP
Retailer 8£5,377 GBP
Retailer 7£5,406 GBP
Retailer 9£5,822 GBP
Retailer 16£6,000 GBP
Retailer 3£6,030 GBP
Retailer 6£6,030 GBP
Retailer 15£6,932 GBP
Retailer 4£6,988 GBP
Retailer 5£7,159 GBP
Retailer 11£7,587 GBP
Retailer 10£8,622 GBP
Retailer 13£10,007 GBP
Retailer 14£11,904 GBP
Retailer 12£12,835 GBP
Retailer 2£13,464 GBP
Retailer 18£14,631 GBP
Michael Trio£21,092 GBP

42 data points across 18 retailers

24 retailers£5,199 GBP to £21,092 GBP

A
Cheapest Retailer
-
£5,199 GBP
$6,966 USD
A
Retailer 2
-
£5,377 GBP
$7,204 USD
View
A
Retailer 3
-
£5,406 GBP
$7,244 USD
View
A
Retailer 4
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£5,822 GBP
$7,801 USD
View
Final sale: no returns
A
Retailer 5
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£6,000 GBP
$8,040 USD
View
A
Retailer 6
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£6,030 GBP
$8,080 USD
View
Retailer 7
-
£6,030 GBP
$8,080 USD
View
Price last confirmed 14 days ago
B+
Retailer 8
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£6,507 GBP
$8,719 USD
View
Retailer 9
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£6,880 GBP
$9,218 USD
View
Price last confirmed 74 days ago
B+
Retailer 10
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£6,932 GBP
$9,288 USD
View
B+
Retailer 11
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£6,988 GBP
$9,363 USD
View
B+
Retailer 12
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£7,159 GBP
$9,592 USD
View
B+
Retailer 13
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£7,289 GBP
HK$76,300 HKD
View
B+
Retailer 14
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£7,587 GBP
View
B+
Retailer 15
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£8,622 GBP
View
B+
Retailer 16
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£10,007 GBP
€12,770 EUR
View
B+
Retailer 17
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£11,904 GBP
View
B+
Retailer 18
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£12,835 GBP
ZAR 277,837 ZAR
View
B
Retailer 19
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£13,464 GBP
$18,040 USD
View
B
Retailer 20
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£14,631 GBP
$19,604 USD
View
B
Retailer 21
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£15,409 GBP
$20,647 USD
View
B
Retailer 22
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£16,786 GBP
$22,491 USD
View
B
Retailer 23
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£20,586 GBP
$27,582 USD
View
Most Expensive
B
Michael Trio
2108271466 · Oct 30
£21,092 GBP
SGD 38,191 SGD
View
23 more retailers have this diamond
Prices start from £5,199 GBPSave up to £15,893 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
4.59ct Emerald
£5,199 GBP