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Emerald|Lab Grown|IGI

6.68ct E VS1 Emerald Lab Grown Diamond

EX • E/VS1 • IGI LG843644315

Shape and cutting style on the report: Emerald cut

Certificate IGI LG843644315

Diamond specifications and retailer prices

From £822 GBP
$1,102 USD
As of October 31, 2026
Save £3,562 GBP (81%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £4,385 GBP at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 6.68ct lab-grown emerald diamond

This 6.68ct 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 LG843644315 or 843644315. Listed at 3 retailers as of October 28, 2026, with prices from £822 to £4,385, a £3,562 spread on the same certified stone. Rare Carat lists it at £4,385. 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

6.68
Carat
E
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.3°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843644315
Dimensions12.47 × 8.86 × 6.14 mm
L/W Ratio1.41
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.47 mm8.86 mm6.68 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843644315
Side View
Table 68.0%Crown 39.3°Girdle: MediumPavilion 40.6°Culet: LargeDepth 69.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: £4,385 GBP|Low: £822 GBP|High: £4,437 GBP|Avg: £2,432 GBP|-1.2%
Rare Carat
Retailer 2
Retailer 3
October 31, 2026
Retailer 3£822 GBP
Retailer 2£1,245 GBP
Rare Carat£4,385 GBP

22 data points across 3 retailers

3 retailers£822 GBP to £4,385 GBP

A
Cheapest Retailer
-
£822 GBP
$1,102 USD
Final sale: no returns
A
Retailer 2
-
£1,245 GBP
View
Most Expensive
B
Rare Carat
843644315 · Oct 28
£4,385 GBP
$5,875 USD
View
2 more retailers have this diamond
Prices start from £822 GBPSave up to £3,562 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
6.68ct Emerald
£822 GBP