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Emerald|Lab Grown|IGI

6.66ct E VS1 Emerald Lab Grown Diamond

ID • E/VS1 • IGI LG843618912

Shape and cutting style on the report: Emerald cut

Certificate IGI LG843618912

Diamond specifications and retailer prices

From £753 GBP
$1,009 USD
As of October 30, 2026
Save £5,934 GBP (89%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £6,687 GBP at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 6.66ct lab-grown emerald diamond

This 6.66ct 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 LG843618912 or 843618912. Listed at 12 retailers as of October 30, 2026, with prices from £753 to £6,687, a £5,934 spread on the same certified stone. Do Amore Diamonds lists it at £6,687. 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
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843618912
Dimensions12.39 × 9.05 × 6.11 mm
L/W Ratio1.37
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.39 mm9.05 mm6.66 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843618912
Side View
Table 67.0%Crown 40°Girdle: MediumPavilion 40.5°Culet: LargeDepth 67.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £6,687 GBP|Low: £753 GBP|High: £11,389 GBP|Avg: £3,102 GBP
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 7£753 GBP
Retailer 3£819 GBP
Retailer 8£1,394 GBP
Retailer 4£1,396 GBP
Retailer 2£1,786 GBP
Retailer 10£1,807 GBP
Retailer 9£1,826 GBP
Retailer 11£2,490 GBP
Retailer 6£3,115 GBP
Retailer 5£6,038 GBP
Do Amore Diamonds£6,687 GBP

7 data points across 11 retailers

12 retailers£753 GBP to £6,687 GBP

A
Cheapest Retailer
-
£753 GBP
$1,009 USD
A
Retailer 2
-
£819 GBP
$1,098 USD
View
B+
Retailer 3
-
£1,394 GBP
$1,868 USD
View
A
Retailer 4
-
£1,396 GBP
$1,870 USD
View
A
Retailer 5
-
£1,786 GBP
A$3,682 AUD
View
A
Retailer 6
-
£1,807 GBP
$2,421 USD
View
A
Retailer 7
-
£1,826 GBP
$2,446 USD
View
B+
Retailer 8
-
£2,490 GBP
$3,336 USD
View
B+
Retailer 9
-
£3,115 GBP
View
B
Retailer 10
-
£3,329 GBP
$4,460 USD
View
B
Retailer 11
-
£6,038 GBP
$8,090 USD
View
Most Expensive
B
Do Amore Diamonds
27-49ECC9C7D · Oct 31
£6,687 GBP
$8,960 USD
View
11 more retailers have this diamond
Prices start from £753 GBPSave up to £5,934 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
£753 GBP