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Emerald|Lab Grown|IGI

6.57ct E VS1 Emerald Lab Grown Diamond

ID • E/VS1 • IGI LG786623859

Shape and cutting style on the report: Emerald cut

Certificate IGI LG786623859

Diamond specifications and retailer prices

From £849 GBP
$1,130 USD
As of October 29, 2026
Save £5,722 GBP (87%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: £9,937 GBP at Queensmith · As of October 9, 2026
View at Queensmith

About this 6.57ct lab-grown emerald diamond

This 6.57ct 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 LG786623859 or 786623859. Listed at 26 retailers as of October 29, 2026, with a 674% 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

6.57
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle28.7°
Pavilion angle36.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786623859
Dimensions8.53 × 13.43 × 5.52 mm
L/W Ratio1.57
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.53 mm13.43 mm6.57 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG786623859
Side View
Table 62.0%Crown 28.7°Girdle: Slightly ThickPavilion 36.9°Culet: LargeDepth 64.7%

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: £1,264 GBP|Low: £849 GBP|High: £7,584 GBP|Avg: £2,232 GBP|-3.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 29, 2026
Retailer 18£849 GBP
Retailer 10£879 GBP
Retailer 14£1,010 GBP
Retailer 5£1,183 GBP
Retailer 15£1,258 GBP
Retailer 1£1,264 GBP
Retailer 11£1,379 GBP
Retailer 17£1,628 GBP
Retailer 12£1,702 GBP
Retailer 4£1,838 GBP
Retailer 8£2,316 GBP
Retailer 7£2,426 GBP
Retailer 6£2,705 GBP
Retailer 16£2,727 GBP
Retailer 13£2,999 GBP
Retailer 9£3,067 GBP
Retailer 3£4,464 GBP
Retailer 2£6,571 GBP

36 data points across 18 retailers

26 retailers£849 GBP to £6,571 GBP

A
Retailer 1
-
£766 GBP
$1,020 USD
Price last confirmed 37 days ago
A
Retailer 2
-
£766 GBP
$1,020 USD
View
Price last confirmed 29 days ago
A
Retailer 3
-
£833 GBP
$1,109 USD
View
Price last confirmed 34 days ago
A
Retailer 4
-
£849 GBP
$1,130 USD
View
Final sale: no returns
A
Retailer 5
-
£876 GBP
$1,166 USD
View
Price last confirmed 37 days ago
A
Retailer 6
-
£876 GBP
$1,166 USD
View
Price last confirmed 30 days ago
A
Retailer 7
-
£879 GBP
$1,171 USD
View
Price last confirmed 12 days ago
A
Retailer 8
-
£1,010 GBP
$1,345 USD
View
A
Retailer 9
-
£1,183 GBP
$1,576 USD
View
B+
Retailer 10
-
£1,258 GBP
$1,675 USD
View
A
Retailer 11
-
£1,264 GBP
View
A
Retailer 12
-
£1,379 GBP
€1,749 EUR
View
A
Retailer 13
-
£1,628 GBP
A$3,336 AUD
View
Price last confirmed 8 days ago
A
Retailer 14
-
£1,665 GBP
$2,217 USD
View
Price last confirmed 29 days ago
A
Retailer 15
-
£1,702 GBP
ZAR 36,613 ZAR
View
A
Retailer 16
-
£1,838 GBP
$2,448 USD
View
B+
Retailer 17
-
£2,316 GBP
$3,084 USD
View
B+
Retailer 18
-
£2,426 GBP
View
B+
Retailer 19
-
£2,705 GBP
$3,602 USD
View
B+
Retailer 20
-
£2,727 GBP
$3,632 USD
View
B+
Retailer 21
-
£2,956 GBP
$3,937 USD
View
B+
Retailer 22
-
£2,999 GBP
View
B+
Retailer 23
-
£3,067 GBP
$4,084 USD
View
B
Retailer 24
-
£4,464 GBP
$5,945 USD
View
B
Retailer 25
-
£6,571 GBP
$8,750 USD
View
Most Expensive
B
Queensmith
LG786623859 · Oct 9
£9,937 GBP
View
Price last confirmed 20 days ago
25 more retailers have this diamond
Prices start from £849 GBPSave up to £5,722 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
6.57ct Emerald
£849 GBP