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Emerald|Lab Grown|IGI

5.10ct D FL Emerald Lab Grown Diamond

EX • D/FL • IGI LG790671457

Shape and cutting style on the report: Emerald cut

Certificate IGI LG790671457

Diamond specifications and retailer prices

From £7,119 GBP
$9,539 USD
As of October 30, 2026
Save £21,982 GBP (76%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: £29,102 GBP at Michael Trio · As of October 31, 2026
View at Michael Trio

About this 5.1ct lab-grown emerald diamond

This 5.1ct lab-grown emerald sits in the over five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG790671457 or 790671457. Listed at 25 retailers as of October 30, 2026, with prices from £7,119 to £29,102, a £21,982 spread on the same certified stone. Michael Trio lists it at £29,102. 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

5.10
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790671457
Dimensions11.80 × 8.15 × 5.30 mm
L/W Ratio1.45
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
11.80 mm8.15 mm5.10 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG790671457
Side View
Table 62.0%Crown 37°Girdle: MediumPavilion 41.6°Culet: LargeDepth 65.0%

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: £29,102 GBP|Low: £7,119 GBP|High: £51,871 GBP|Avg: £17,034 GBP|-19.3%
Michael Trio
Retailer 2
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Retailer 23
November 1, 2026
Retailer 8£7,119 GBP
Retailer 21£7,216 GBP
Retailer 3£7,973 GBP
Retailer 20£8,057 GBP
Retailer 19£8,215 GBP
Retailer 13£8,259 GBP
Retailer 5£8,550 GBP
Retailer 18£8,698 GBP
Retailer 15£9,172 GBP
Retailer 17£9,288 GBP
Retailer 14£9,567 GBP
Retailer 2£9,799 GBP
Retailer 16£10,231 GBP
Retailer 9£11,829 GBP
Retailer 22£15,106 GBP
Retailer 23£15,300 GBP
Retailer 12£15,421 GBP
Retailer 11£17,194 GBP
Retailer 10£20,787 GBP
Retailer 4£23,006 GBP
Retailer 7£25,800 GBP
Michael Trio£29,102 GBP
Retailer 6£42,541 GBP

33 data points across 23 retailers

25 retailers£7,119 GBP to £29,102 GBP

A
Cheapest Retailer
-
£7,119 GBP
$9,539 USD
A
Retailer 2
-
£7,216 GBP
$9,668 USD
View
A
Retailer 3
-
£7,973 GBP
$10,683 USD
View
Final sale: no returns
A
Retailer 4
-
£8,057 GBP
$10,796 USD
View
A
Retailer 5
-
£8,215 GBP
$11,007 USD
View
A
Retailer 6
-
£8,259 GBP
$11,066 USD
View
A
Retailer 7
-
£8,550 GBP
HK$89,500 HKD
View
A
Retailer 8
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£8,698 GBP
$11,655 USD
View
A
Retailer 9
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£9,172 GBP
$12,290 USD
View
A
Retailer 10
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£9,288 GBP
$12,445 USD
View
A
Retailer 11
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£9,567 GBP
$12,819 USD
View
A
Retailer 12
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£9,799 GBP
View
Retailer 13
-
£10,231 GBP
$13,708 USD
View
Price last confirmed 15 days ago
Retailer 14
-
£10,470 GBP
$14,028 USD
View
Price last confirmed 111 days ago
B+
Retailer 15
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£11,829 GBP
View
B+
Retailer 16
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£14,297 GBP
$19,156 USD
View
B+
Retailer 17
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£15,106 GBP
$20,240 USD
View
B+
Retailer 18
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£15,300 GBP
$20,500 USD
View
B+
Retailer 19
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£15,421 GBP
View
B+
Retailer 20
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£17,194 GBP
€21,941 EUR
View
B+
Retailer 21
-
£20,787 GBP
ZAR 449,954 ZAR
View
B
Retailer 22
-
£23,006 GBP
$30,826 USD
View
B
Retailer 23
-
£25,800 GBP
$34,569 USD
View
Most Expensive
B
Michael Trio
7866536060 · Oct 31
£29,102 GBP
SGD 52,693 SGD
View
23 more retailers have this diamond
Prices start from £7,119 GBPSave up to £21,982 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
5.10ct Emerald
£7,119 GBP