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Emerald|Lab Grown|IGI

6.59ct E IF Emerald Lab Grown Diamond

ID • E/IF • IGI LG766688580

Shape and cutting style on the report: Emerald cut

Certificate IGI LG766688580

Diamond specifications and retailer prices

From £5,350 GBP
$7,169 USD
As of November 1, 2026
Save £14,738 GBP (73%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £20,088 GBP at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 6.59ct lab-grown emerald diamond

This 6.59ct 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 LG766688580 or 766688580. Listed at 14 retailers as of October 31, 2026, with prices from £5,350 to £20,088, a £14,738 spread on the same certified stone. Taylor and Hart lists it at £20,088. 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

6.59
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31°
Pavilion angle38°
OriginLab Grown
Grading LabIGI
CertificateIGI LG766688580
Dimensions13.52 × 8.82 × 5.53 mm
L/W Ratio1.53
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.52 mm8.82 mm6.59 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG766688580
Side View
Table 62.0%Crown 31°Girdle: MED-STKPavilion 38°Culet: LargeDepth 62.7%

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: Nov 1
Current: £17,466 GBP|Low: £5,350 GBP|High: £22,797 GBP|Avg: £12,165 GBP|-6.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Taylor and Hart
November 1, 2026
Retailer 12£5,350 GBP
Retailer 2£7,063 GBP
Retailer 5£7,369 GBP
Retailer 4£7,665 GBP
Retailer 10£8,669 GBP
Retailer 7£9,718 GBP
Retailer 9£10,690 GBP
Retailer 6£11,341 GBP
Retailer 3£11,747 GBP
Retailer 8£11,781 GBP
Retailer 11£16,007 GBP
Retailer 1£17,466 GBP
Taylor and Hart£20,088 GBP

32 data points across 13 retailers

14 retailers£5,350 GBP to £20,088 GBP

A
Cheapest Retailer
-
£5,350 GBP
$7,169 USD
Retailer 2
-
£7,063 GBP
$9,463 USD
View
Price last confirmed 15 days ago
A
Retailer 3
-
£7,369 GBP
View
Retailer 4
-
£7,665 GBP
$10,270 USD
View
Price last confirmed 24 days ago
A
Retailer 5
-
£8,669 GBP
$11,615 USD
View
A
Retailer 6
-
£9,718 GBP
€12,401 EUR
View
A
Retailer 7
-
£10,473 GBP
$14,033 USD
View
A
Retailer 8
-
£10,690 GBP
$14,323 USD
View
A
Retailer 9
-
£11,341 GBP
ZAR 245,494 ZAR
View
A
Retailer 10
-
£11,747 GBP
$15,740 USD
View
A
Retailer 11
-
£11,781 GBP
View
B+
Retailer 12
-
£16,007 GBP
$21,448 USD
View
B+
Retailer 13
-
£17,466 GBP
A$36,003 AUD
View
Most Expensive
B+
Taylor and Hart
MTM3Z9M · Oct 31
£20,088 GBP
$26,916 USD
View
13 more retailers have this diamond
Prices start from £5,350 GBPSave up to £14,738 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
6.59ct Emerald
£5,350 GBP