Emerald|Lab Grown|IGI

6.57ct E VS1 Emerald Lab Grown Diamond

ID • E/VS1 • IGI LG670409028

Shape and cutting style on the report: Emerald cut

Certificate IGI LG670409028

Diamond specifications and retailer prices

From £1,064 GBP
$1,417 USD
As of October 27, 2026
Save £6,257 GBP (85%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £11,301 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

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 LG670409028 or 670409028. Listed at 22 retailers as of October 27, 2026, with a 588% 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 angle44.3°
Pavilion angle37.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG670409028
Dimensions8.51 × 8.51 × 5.76 mm
L/W Ratio1.00
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.51 mm8.51 mm6.57 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG670409028
Side View
Table 64.0%Crown 44.3°Girdle: MED-STKPavilion 37.4°Culet: LargeDepth 67.7%

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 27
Current: £11,301 GBP|Low: £1,157 GBP|High: £11,647 GBP|Avg: £3,221 GBP|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
October 29, 2026
Retailer 6£1,157 GBP
Retailer 17£1,191 GBP
Retailer 15£1,363 GBP
Retailer 7£1,423 GBP
Retailer 9£1,736 GBP
Retailer 2£1,924 GBP
Retailer 16£2,240 GBP
Retailer 13£2,528 GBP
Retailer 10£2,636 GBP
Retailer 8£3,284 GBP
Retailer 4£3,325 GBP
Retailer 3£3,595 GBP
Retailer 5£3,630 GBP
Retailer 11£3,911 GBP
Retailer 14£4,322 GBP
Retailer 12£7,322 GBP
Brilliant Earth£11,301 GBP

42 data points across 17 retailers

22 retailers£1,064 GBP to £7,322 GBP

A
Cheapest Retailer
-
£1,064 GBP
$1,417 USD
A
Retailer 2
-
£1,157 GBP
$1,541 USD
View
A
Retailer 3
-
£1,191 GBP
$1,586 USD
View
Final sale: no returns
A
Retailer 4
-
£1,234 GBP
$1,643 USD
View
A
Retailer 5
-
£1,234 GBP
$1,643 USD
View
Price last confirmed 16 days ago
A
Retailer 6
-
£1,363 GBP
$1,815 USD
View
A
Retailer 7
-
£1,736 GBP
$2,312 USD
View
A
Retailer 8
-
£1,865 GBP
$2,483 USD
View
A
Retailer 9
-
£1,924 GBP
View
B+
Retailer 10
-
£2,240 GBP
$2,983 USD
View
B+
Retailer 11
-
£2,528 GBP
A$5,180 AUD
View
Price last confirmed 7 days ago
B+
Retailer 12
-
£2,553 GBP
$3,400 USD
View
B+
Retailer 13
-
£2,636 GBP
ZAR 56,708 ZAR
View
B+
Retailer 14
-
£3,284 GBP
View
B
Retailer 15
-
£3,325 GBP
$4,428 USD
View
B
Retailer 16
-
£3,595 GBP
$4,787 USD
View
B
Retailer 17
-
£3,630 GBP
A$7,436 AUD
View
Price last confirmed 20 days ago
B
Retailer 18
-
£3,911 GBP
View
B
Retailer 19
-
£4,322 GBP
$5,755 USD
View
B
Retailer 20
-
£4,807 GBP
$6,401 USD
View
B
Retailer 21
-
£7,322 GBP
$9,750 USD
View
Most Expensive
B
Brilliant Earth
18600082A · Oct 29
£11,301 GBP
$15,050 USD
View
Price under review
21 more retailers have this diamond
Prices start from £1,064 GBPSave up to £6,257 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
£1,064 GBP