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Emerald|Lab Grown|IGI

6.58ct E VS1 Emerald Lab Grown Diamond

EX • E/VS1 • IGI LG843680845

Shape and cutting style on the report: Emerald cut

Certificate IGI LG843680845

Diamond specifications and retailer prices

From £907 GBP
$1,208 USD
As of October 29, 2026
Save £3,279 GBP (78%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £4,186 GBP at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 6.58ct lab-grown emerald diamond

This 6.58ct 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 LG843680845 or 843680845. Listed at 5 retailers as of October 28, 2026, with prices from £907 to £4,186, a £3,279 spread on the same certified stone. Rare Carat lists it at £4,186. 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

6.58
Carat
E
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.3°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843680845
Dimensions12.33 × 8.88 × 6.08 mm
L/W Ratio1.39
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.33 mm8.88 mm6.58 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843680845
Side View
Table 63.0%Crown 37.3°Girdle: MediumPavilion 40.4°Culet: LargeDepth 68.5%

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 29
Current: £4,186 GBP|Low: £907 GBP|High: £4,186 GBP|Avg: £2,254 GBP
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 29, 2026
Retailer 2£907 GBP
Retailer 4£1,223 GBP
Retailer 3£2,631 GBP
Retailer 5£2,652 GBP
Rare Carat£4,186 GBP

7 data points across 5 retailers

5 retailers£907 GBP to £4,186 GBP

A
Cheapest Retailer
-
£907 GBP
$1,208 USD
Final sale: no returns
B+
Retailer 2
-
£1,223 GBP
$1,628 USD
View
B+
Retailer 3
-
£2,631 GBP
$3,504 USD
View
B+
Retailer 4
-
£2,652 GBP
$3,531 USD
View
Most Expensive
B
Rare Carat
843680845 · Oct 28
£4,186 GBP
$5,575 USD
View
4 more retailers have this diamond
Prices start from £907 GBPSave up to £3,279 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
6.58ct Emerald
£907 GBP