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Emerald|Lab Grown|IGI

6.59ct E VS1 Emerald Lab Grown Diamond

EX • E/VS1 • IGI LG842662812

Shape and cutting style on the report: Emerald cut

Certificate IGI LG842662812

Diamond specifications and retailer prices

From £917 GBP
$1,221 USD
As of October 29, 2026
Save £1,786 GBP (66%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £2,703 GBP at Brilliance · As of October 25, 2026
View at Brilliance

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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG842662812 or 842662812. Listed at 4 retailers as of October 25, 2026, with prices from £917 to £2,703, a £1,786 spread on the same certified stone. Brilliance lists it at £2,703. 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
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.4°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG842662812
Dimensions12.31 × 8.94 × 6.13 mm
L/W Ratio1.38
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.31 mm8.94 mm6.59 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG842662812
Side View
Table 67.0%Crown 39.4°Girdle: Slightly ThickPavilion 39.9°Culet: LargeDepth 68.6%

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 29
Current: £2,703 GBP|Low: £917 GBP|High: £2,762 GBP|Avg: £2,056 GBP
Brilliance
Retailer 2
Retailer 3
Retailer 4
October 28, 2026
Retailer 2£917 GBP
Retailer 4£1,236 GBP
Retailer 3£2,659 GBP
Brilliance£2,703 GBP

6 data points across 4 retailers

4 retailers£917 GBP to £2,703 GBP

A
Cheapest Retailer
-
£917 GBP
$1,221 USD
Final sale: no returns
B+
Retailer 2
-
£1,236 GBP
$1,646 USD
View
B+
Retailer 3
-
£2,659 GBP
$3,541 USD
View
Most Expensive
B+
Brilliance
D46319709 · Oct 25
£2,703 GBP
$3,599 USD
View
3 more retailers have this diamond
Prices start from £917 GBPSave up to £1,786 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
£917 GBP