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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 $2,017 AUD
$1,417 USD
As of October 30, 2026
Save $11,861 AUD (85%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $21,422 AUD 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 29, 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 30
Current: $21,422 AUD|Low: $2,193 AUD|High: $22,077 AUD|Avg: $6,376 AUD|-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
October 30, 2026
Retailer 6$2,193 AUD
Retailer 16$2,258 AUD
Retailer 14$2,583 AUD
Retailer 7$2,697 AUD
Retailer 2$3,657 AUD
Retailer 15$4,246 AUD
Retailer 12$4,793 AUD
Retailer 9$4,996 AUD
Retailer 8$6,226 AUD
Retailer 4$6,303 AUD
Retailer 3$6,814 AUD
Retailer 5$6,880 AUD
Retailer 10$7,413 AUD
Retailer 13$8,192 AUD
Retailer 11$13,878 AUD
Brilliant Earth$21,422 AUD

43 data points across 16 retailers

22 retailers$2,017 AUD to $13,878 AUD

A
Cheapest Retailer
-
$2,017 AUD
$1,417 USD
A
Retailer 2
-
$2,193 AUD
$1,541 USD
View
A
Retailer 3
-
$2,258 AUD
$1,586 USD
View
Final sale: no returns
A
Retailer 4
-
$2,339 AUD
$1,643 USD
View
Retailer 5
-
$2,339 AUD
$1,643 USD
View
Price last confirmed 17 days ago
A
Retailer 6
-
$2,583 AUD
$1,815 USD
View
A
Retailer 7
-
$3,291 AUD
$2,312 USD
View
A
Retailer 8
-
$3,534 AUD
$2,483 USD
View
A
Retailer 9
-
$3,657 AUD
£2,023 GBP
View
B+
Retailer 10
-
$4,246 AUD
$2,983 USD
View
Retailer 11
-
$4,793 AUD
View
Price last confirmed 7 days ago
B+
Retailer 12
-
$4,840 AUD
$3,400 USD
View
B+
Retailer 13
-
$4,996 AUD
ZAR 56,708 ZAR
View
B+
Retailer 14
-
$6,226 AUD
£3,444 GBP
View
B
Retailer 15
-
$6,303 AUD
$4,428 USD
View
B
Retailer 16
-
$6,814 AUD
$4,787 USD
View
Retailer 17
-
$6,880 AUD
View
Price last confirmed 21 days ago
B
Retailer 18
-
$7,413 AUD
£4,101 GBP
View
B
Retailer 19
-
$8,192 AUD
$5,755 USD
View
B
Retailer 20
-
$9,111 AUD
$6,401 USD
View
B
Retailer 21
-
$13,878 AUD
$9,750 USD
View
Most Expensive
Brilliant Earth
18600082A · Oct 29
$21,422 AUD
$15,050 USD
View
Price under review
21 more retailers have this diamond
Prices start from $2,017 AUDSave up to $11,861 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
$2,017 AUD