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Emerald|Lab Grown|IGI

6.60ct E VS1 Emerald Lab Grown Diamond

EX • E/VS1 • IGI LG844631601

Shape and cutting style on the report: Emerald cut

Certificate IGI LG844631601

Diamond specifications and retailer prices

From £843 GBP
$1,122 USD
As of October 29, 2026
Save £3,577 GBP (81%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £11,407 GBP at Brilliant Earth · As of October 27, 2026
View at Brilliant Earth

About this 6.6ct lab-grown emerald diamond

This 6.6ct 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 LG844631601 or 844631601. Listed at 4 retailers as of October 28, 2026, with a 425% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

6.60
Carat
E
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.2°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844631601
Dimensions12.60 × 8.91 × 5.97 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
12.60 mm8.91 mm6.60 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG844631601
Side View
Table 66.0%Crown 39.2°Girdle: MediumPavilion 40.9°Culet: LargeDepth 67.0%

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: £11,407 GBP|Low: £843 GBP|High: £11,414 GBP|Avg: £4,954 GBP|-0.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
October 29, 2026
Retailer 3£843 GBP
Retailer 2£1,278 GBP
Retailer 4£4,419 GBP
Brilliant Earth£11,407 GBP

17 data points across 4 retailers

4 retailers£843 GBP to £4,419 GBP

A
Cheapest Retailer
-
£843 GBP
$1,122 USD
Final sale: no returns
A
Retailer 2
-
£1,278 GBP
View
B
Retailer 3
-
£4,419 GBP
$5,885 USD
View
Most Expensive
B
Brilliant Earth
21760179A · Oct 27
£11,407 GBP
$15,190 USD
View
Price under review
3 more retailers have this diamond
Prices start from £843 GBPSave up to £3,577 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
6.60ct Emerald
£843 GBP