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Emerald|Lab Grown|IGI

6.63ct E VS1 Emerald Lab Grown Diamond

EX • E/VS1 • IGI LG843615556

Shape and cutting style on the report: Emerald cut

Certificate IGI LG843615556

Diamond specifications and retailer prices

From £1,250 GBP
As of October 29, 2026
Save £3,162 GBP (72%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £4,412 GBP at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 6.63ct lab-grown emerald diamond

This 6.63ct 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 LG843615556 or 843615556. Listed at 2 retailers as of October 28, 2026, with prices from £1,250 to £4,412, a £3,162 spread on the same certified stone. Rare Carat lists it at £4,412. 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

6.63
Carat
E
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.4°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843615556
Dimensions12.64 × 9.00 × 6.04 mm
L/W Ratio1.40
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.64 mm9.00 mm6.63 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843615556
Side View
Table 67.0%Crown 38.4°Girdle: MediumPavilion 40.1°Culet: LargeDepth 67.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: £4,412 GBP|Low: £1,246 GBP|High: £4,461 GBP|Avg: £2,739 GBP|-1.1%
Rare Carat
Retailer 2
October 29, 2026
Retailer 2£1,250 GBP
Rare Carat£4,412 GBP

18 data points across 2 retailers

2 retailers£1,250 GBP to £4,412 GBP

A
Cheapest Retailer
-
£1,250 GBP
Most Expensive
B
Rare Carat
843615556 · Oct 28
£4,412 GBP
$5,875 USD
View
1 more retailer has this diamond
Prices start from £1,250 GBPSave up to £3,162 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
6.63ct Emerald
£1,250 GBP