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Emerald|Lab Grown|IGI

6.66ct D VVS2 Emerald Lab Grown Diamond

ID • D/VVS2 • IGI LG840656812

Shape and cutting style on the report: Emerald cut

Certificate IGI LG840656812

Diamond specifications and retailer prices

From £1,964 GBP
As of November 1, 2026
Save £5,246 GBP (73%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £7,210 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 6.66ct lab-grown emerald diamond

This 6.66ct lab-grown emerald sits in the over five carat band, graded D colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG840656812 or 840656812. Listed at 12 retailers as of October 31, 2026, with prices from £1,964 to £7,210, a £5,246 spread on the same certified stone. Brilliant Earth lists it at £7,210. 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

6.66
Carat
D
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840656812
Dimensions12.73 × 8.74 × 5.98 mm
L/W Ratio1.46
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.73 mm8.74 mm6.66 ctD / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840656812
Side View
Table 65.0%Crown 34.5°Girdle: Slightly ThickPavilion 40.2°Culet: LargeDepth 68.4%

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: Nov 1
Current: £7,210 GBP|Low: £1,952 GBP|High: £13,613 GBP|Avg: £4,779 GBP|-47.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 5£1,964 GBP
Retailer 9£1,982 GBP
Retailer 8£2,087 GBP
Retailer 7£2,682 GBP
Retailer 11£3,682 GBP
Retailer 4£3,806 GBP
Retailer 2£3,959 GBP
Retailer 6£4,157 GBP
Retailer 3£4,869 GBP
Retailer 12£5,066 GBP
Retailer 10£6,739 GBP
Brilliant Earth£7,210 GBP

33 data points across 12 retailers

12 retailers£1,964 GBP to £7,210 GBP

A
Cheapest Retailer
-
£1,964 GBP
A
Retailer 2
-
£1,982 GBP
$2,655 USD
View
A
Retailer 3
-
£2,087 GBP
€2,663 EUR
View
A
Retailer 4
-
£2,682 GBP
ZAR 58,061 ZAR
View
B+
Retailer 5
-
£3,682 GBP
$4,934 USD
View
B+
Retailer 6
-
£3,806 GBP
$5,099 USD
View
B+
Retailer 7
-
£3,959 GBP
View
B+
Retailer 8
-
£4,157 GBP
A$8,569 AUD
View
B+
Retailer 9
-
£4,869 GBP
$6,523 USD
View
B+
Retailer 10
-
£5,066 GBP
SGD 9,172 SGD
View
B
Retailer 11
-
£6,739 GBP
$9,030 USD
View
Most Expensive
B
Brilliant Earth
21674625A · Oct 31
£7,210 GBP
$9,660 USD
View
11 more retailers have this diamond
Prices start from £1,964 GBPSave up to £5,246 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
6.66ct Emerald
£1,964 GBP