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Emerald|Lab Grown|IGI

5.17ct E IF Emerald Lab Grown Diamond

ID • E/IF • IGI LG654485361

Shape and cutting style on the report: Emerald cut

Certificate IGI LG654485361

Diamond specifications and retailer prices

From £4,963 GBP
$6,650 USD
As of October 25, 2026
Save £9,669 GBP (66%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £14,632 GBP at Blue Nile · As of October 31, 2026
View at Blue Nile

About this 5.17ct lab-grown emerald diamond

This 5.17ct lab-grown emerald sits in the over five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG654485361 or 654485361. Listed at 4 retailers as of October 25, 2026, with prices from £4,963 to £14,632, a £9,669 spread on the same certified stone. Blue Nile lists it at £14,632. 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

5.17
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG654485361
Dimensions11.41 × 8.17 × 5.39 mm
L/W Ratio1.40
Culet sizeLong
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
11.41 mm8.17 mm5.17 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG654485361
Side View
Table 68.0%Crown 35°Girdle: Slightly ThickPavilion 40.8°Culet: LNGDepth 66.0%

Caratlytics Score

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

Price History

Last verified: Oct 25
Current: £14,632 GBP|Low: £4,715 GBP|High: £131,976 GBP|Avg: £31,868 GBP|+39.5%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 30, 2026
Retailer 3£4,963 GBP
Retailer 4£5,864 GBP
Retailer 2£10,165 GBP
Blue Nile£14,632 GBP
Retailer 6£23,543 GBP
Retailer 7£26,456 GBP
Retailer 5£131,976 GBP

14 data points across 7 retailers

4 retailers£4,963 GBP to £14,632 GBP

A
Cheapest Retailer
-
£4,963 GBP
$6,650 USD
A
Retailer 2
-
£5,864 GBP
$7,857 USD
View
A
Retailer 3
-
£10,165 GBP
$13,620 USD
View
Most Expensive
B
Blue Nile
29974124 · Oct 31
£14,632 GBP
$19,605 USD
View
3 more retailers have this diamond
Prices start from £4,963 GBPSave up to £9,669 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
5.17ct Emerald
£4,963 GBP