Emerald|Lab Grown|IGI

6.57ct G VS1 Emerald Lab Grown Diamond

EX • G/VS1 • IGI LG654456099

Shape and cutting style on the report: Emerald cut

Certificate IGI LG654456099

Diamond specifications and retailer prices

From $1,165 USD
As of November 1, 2026
Save $9,615 USD (89%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $10,780 USD at Brilliant Earth · As of November 2, 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 G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG654456099 or 654456099. Listed at 21 retailers as of November 1, 2026, with prices from $1,165 to $10,780, a $9,615 spread on the same certified stone. Brilliant Earth lists it at $10,780. 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
G
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle34.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG654456099
Dimensions12.32 × 8.61 × 5.65 mm
L/W Ratio1.43
Culet sizeLong
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.32 mm8.61 mm6.57 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG654456099
Side View
Table 64.0%Crown 34.2°Girdle: MED-STKPavilion 34.9°Culet: LNGDepth 65.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $10,780 USD|Low: $1,165 USD|High: $11,000 USD|Avg: $3,471 USD|-2.0%
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
November 2, 2026
Retailer 15$1,165 USD
Retailer 6$1,208 USD
Retailer 12$1,380 USD
Retailer 7$1,685 USD
Retailer 5$1,701 USD
Retailer 2$1,933 USD
Retailer 9$2,470 USD
Retailer 14$2,524 USD
Retailer 10$2,579 USD
Retailer 16$3,660 USD
Retailer 8$3,673 USD
Retailer 4$3,744 USD
Retailer 11$4,305 USD
Retailer 13$4,440 USD
Retailer 3$9,240 USD
Brilliant Earth$10,780 USD

43 data points across 16 retailers

21 retailers$1,165 USD to $10,780 USD

Retailer 1
-
$999 USD
Price last confirmed 31 days ago
Retailer 2
-
$1,133 USD
View
Price last confirmed 27 days ago
A
Retailer 3
-
$1,165 USD
View
Final sale: no returns
Retailer 4
-
$1,208 USD
View
Price last confirmed 30 days ago
A
Retailer 5
-
$1,380 USD
View
A
Retailer 6
-
$1,685 USD
View
B+
Retailer 7
-
$1,701 USD
View
A
Retailer 8
-
$1,933 USD
£1,522 GBP
View
B+
Retailer 9
-
$2,075 USD
View
B+
Retailer 10
-
$2,470 USD
A$3,800 AUD
View
Retailer 11
-
$2,498 USD
View
Price last confirmed 33 days ago
B+
Retailer 12
-
$2,524 USD
View
B+
Retailer 13
-
$2,579 USD
ZAR 41,665 ZAR
View
B
Retailer 14
-
$3,660 USD
View
B
Retailer 15
-
$3,673 USD
£2,892 GBP
View
B
Retailer 16
-
$3,744 USD
View
B
Retailer 17
-
$4,305 USD
£3,390 GBP
View
Retailer 18
-
$4,440 USD
View
Price last confirmed 15 days ago
B
Retailer 19
-
$4,735 USD
View
B
Retailer 20
-
$9,240 USD
View
Most Expensive
B
Brilliant Earth
18600452A · Nov 2
$10,780 USD
View
20 more retailers have this diamond
Prices start from $1,165 USDSave up to $9,615 USD

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
$1,165 USD