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Emerald|Lab Grown|IGI

6.57ct E VS1 Emerald Lab Grown Diamond

EX • E/VS1 • IGI LG842613394

Shape and cutting style on the report: Emerald cut

Certificate IGI LG842613394

Diamond specifications and retailer prices

From £914 GBP
$1,217 USD
As of October 29, 2026
Save £3,276 GBP (78%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £4,190 GBP at Rare Carat · As of October 28, 2026
View at Rare Carat

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 LG842613394 or 842613394. Listed at 6 retailers as of October 28, 2026, with prices from £914 to £4,190, a £3,276 spread on the same certified stone. Rare Carat lists it at £4,190. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.9°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG842613394
Dimensions12.41 × 8.79 × 6.12 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
12.41 mm8.79 mm6.57 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG842613394
Side View
Table 65.0%Crown 39.9°Girdle: Slightly ThickPavilion 41.1°Culet: LargeDepth 69.6%

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 29
Current: £4,190 GBP|Low: £914 GBP|High: £4,468 GBP|Avg: £2,340 GBP|-6.2%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 29, 2026
Retailer 3£914 GBP
Retailer 5£1,232 GBP
Retailer 7£1,405 GBP
Retailer 2£1,412 GBP
Retailer 4£2,652 GBP
Retailer 6£2,695 GBP
Rare Carat£4,190 GBP

9 data points across 7 retailers

6 retailers£914 GBP to £4,190 GBP

A
Cheapest Retailer
-
£914 GBP
$1,217 USD
Final sale: no returns
B+
Retailer 2
-
£1,232 GBP
$1,641 USD
View
A
Retailer 3
-
£1,412 GBP
$1,881 USD
View
B+
Retailer 4
-
£2,652 GBP
$3,532 USD
View
B+
Retailer 5
-
£2,695 GBP
$3,589 USD
View
Most Expensive
B
Rare Carat
842613394 · Oct 28
£4,190 GBP
$5,580 USD
View
5 more retailers have this diamond
Prices start from £914 GBPSave up to £3,276 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
£914 GBP