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Emerald|Lab Grown|IGI

6.57ct E VS1 Emerald Lab Grown Diamond

EX • E/VS1 • IGI LG843686207

Shape and cutting style on the report: Emerald cut

Certificate IGI LG843686207

Diamond specifications and retailer prices

From $1,590 AUD
$1,117 USD
As of October 29, 2026
Save $9,811 AUD (86%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $11,401 AUD at Brilliant Earth · As of October 27, 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 LG843686207 or 843686207. Listed at 4 retailers as of October 27, 2026, with prices from $1,590 to $11,401, a $9,811 spread on the same certified stone. Brilliant Earth lists it at $11,401. 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 angle37.4°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843686207
Dimensions12.46 × 8.92 × 6.15 mm
L/W Ratio1.40
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.46 mm8.92 mm6.57 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843686207
Side View
Table 62.0%Crown 37.4°Girdle: Slightly ThickPavilion 40.5°Culet: LargeDepth 68.9%

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: $11,401 AUD|Low: $1,590 AUD|High: $11,401 AUD|Avg: $6,043 AUD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
October 30, 2026
Retailer 4$1,590 AUD
Retailer 2$2,419 AUD
Retailer 3$8,370 AUD
Brilliant Earth$11,401 AUD

16 data points across 4 retailers

4 retailers$1,590 AUD to $11,401 AUD

A
Cheapest Retailer
-
$1,590 AUD
$1,117 USD
Final sale: no returns
A
Retailer 2
-
$2,419 AUD
£1,338 GBP
View
B
Retailer 3
-
$8,370 AUD
$5,880 USD
View
Most Expensive
B
Brilliant Earth
21815539A · Oct 27
$11,401 AUD
$8,010 USD
View
3 more retailers have this diamond
Prices start from $1,590 AUDSave up to $9,811 AUD

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
$1,590 AUD