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Emerald|Lab Grown|IGI

5.03ct D IF Emerald Lab Grown Diamond

ID • D/IF • IGI LG817602817

Shape and cutting style on the report: Emerald cut

Certificate IGI LG817602817

Diamond specifications and retailer prices

From £4,909 GBP
$6,537 USD
As of October 30, 2026
Save £14,968 GBP (75%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £19,877 GBP at Michael Trio · As of October 30, 2026
View at Michael Trio

About this 5.03ct lab-grown emerald diamond

This 5.03ct lab-grown emerald sits in the over five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG817602817 or 817602817. Listed at 23 retailers as of October 30, 2026, with prices from £4,909 to £19,877, a £14,968 spread on the same certified stone. Michael Trio lists it at £19,877. 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

5.03
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.6°
Pavilion angle37.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817602817
Dimensions11.76 × 8.25 × 5.06 mm
L/W Ratio1.43
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.76 mm8.25 mm5.03 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817602817
Side View
Table 64.0%Crown 32.6°Girdle: Slightly ThickPavilion 37.6°Culet: LargeDepth 61.3%

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 30
Current: £19,877 GBP|Low: £4,909 GBP|High: £21,288 GBP|Avg: £9,700 GBP|-6.6%
Michael Trio
Retailer 2
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October 30, 2026
Retailer 8£4,909 GBP
Retailer 6£5,105 GBP
Retailer 19£5,166 GBP
Retailer 7£5,498 GBP
Retailer 4£5,673 GBP
Retailer 18£5,694 GBP
Retailer 14£5,769 GBP
Retailer 12£6,743 GBP
Retailer 20£6,760 GBP
Retailer 2£7,152 GBP
Retailer 22£7,319 GBP
Retailer 3£8,125 GBP
Retailer 10£8,960 GBP
Retailer 16£9,265 GBP
Retailer 5£10,375 GBP
Retailer 17£11,444 GBP
Retailer 13£11,569 GBP
Retailer 11£12,082 GBP
Retailer 21£15,847 GBP
Retailer 15£17,643 GBP
Retailer 9£19,614 GBP
Michael Trio£19,877 GBP

24 data points across 22 retailers

23 retailers£4,909 GBP to £19,877 GBP

A
Cheapest Retailer
-
£4,909 GBP
$6,537 USD
A
Retailer 2
-
£5,105 GBP
$6,798 USD
View
A
Retailer 3
-
£5,166 GBP
$6,879 USD
View
A
Retailer 4
-
£5,498 GBP
$7,321 USD
View
Final sale: no returns
A
Retailer 5
-
£5,673 GBP
$7,555 USD
View
A
Retailer 6
-
£5,694 GBP
$7,583 USD
View
Retailer 7
-
£5,769 GBP
$7,682 USD
View
Price last confirmed 13 days ago
A
Retailer 8
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£6,743 GBP
$8,980 USD
View
A
Retailer 9
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£6,760 GBP
$9,002 USD
View
A
Retailer 10
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£7,152 GBP
View
A
Retailer 11
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£7,319 GBP
$9,746 USD
View
A
Retailer 12
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£8,125 GBP
View
A
Retailer 13
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£8,960 GBP
$11,932 USD
View
A
Retailer 14
-
£9,265 GBP
€11,751 EUR
View
A
Retailer 15
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£10,375 GBP
$13,816 USD
View
A
Retailer 16
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£11,444 GBP
View
A
Retailer 17
-
£11,569 GBP
ZAR 248,883 ZAR
View
Retailer 18
-
£12,082 GBP
A$24,752 AUD
View
Price last confirmed 7 days ago
B+
Retailer 19
-
£15,847 GBP
$21,103 USD
View
Retailer 20
-
£17,643 GBP
A$36,146 AUD
View
Price last confirmed 21 days ago
B
Retailer 21
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£18,961 GBP
$25,250 USD
View
B
Retailer 22
-
£19,614 GBP
$26,120 USD
View
Most Expensive
B
Michael Trio
7211429940 · Oct 30
£19,877 GBP
SGD 35,770 SGD
View
22 more retailers have this diamond
Prices start from £4,909 GBPSave up to £14,968 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
5.03ct Emerald
£4,909 GBP