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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 $1,658 AUD
$1,165 USD
As of October 31, 2026
Save $13,688 AUD (89%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $15,346 AUD at Brilliant Earth · As of October 31, 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 October 31, 2026, with prices from $1,658 to $15,346, a $13,688 spread on the same certified stone. Brilliant Earth lists it at $15,346. 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
Colour
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

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 31
Current: $15,346 AUD|Low: $1,658 AUD|High: $15,660 AUD|Avg: $4,931 AUD|-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 1, 2026
Retailer 15$1,658 AUD
Retailer 6$1,720 AUD
Retailer 12$1,965 AUD
Retailer 7$2,399 AUD
Retailer 5$2,422 AUD
Retailer 2$2,752 AUD
Retailer 9$3,516 AUD
Retailer 14$3,593 AUD
Retailer 10$3,672 AUD
Retailer 16$5,211 AUD
Retailer 8$5,229 AUD
Retailer 4$5,330 AUD
Retailer 11$6,129 AUD
Retailer 13$6,321 AUD
Retailer 3$13,154 AUD
Brilliant Earth$15,346 AUD

43 data points across 16 retailers

21 retailers$1,658 AUD to $15,346 AUD

Retailer 1
-
$1,422 AUD
$999 USD
Price last confirmed 30 days ago
Retailer 2
-
$1,613 AUD
$1,133 USD
View
Price last confirmed 25 days ago
A
Retailer 3
-
$1,658 AUD
$1,165 USD
View
Final sale: no returns
Retailer 4
-
$1,720 AUD
$1,208 USD
View
Price last confirmed 29 days ago
A
Retailer 5
-
$1,965 AUD
$1,380 USD
View
A
Retailer 6
-
$2,399 AUD
$1,685 USD
View
B+
Retailer 7
-
$2,422 AUD
$1,701 USD
View
A
Retailer 8
-
$2,752 AUD
£1,522 GBP
View
B+
Retailer 9
-
$2,954 AUD
$2,075 USD
View
B+
Retailer 10
-
$3,516 AUD
View
Retailer 11
-
$3,556 AUD
$2,498 USD
View
Price last confirmed 31 days ago
B+
Retailer 12
-
$3,593 AUD
$2,524 USD
View
B+
Retailer 13
-
$3,672 AUD
ZAR 41,665 ZAR
View
B
Retailer 14
-
$5,211 AUD
$3,660 USD
View
B
Retailer 15
-
$5,229 AUD
£2,892 GBP
View
B
Retailer 16
-
$5,330 AUD
$3,744 USD
View
B
Retailer 17
-
$6,129 AUD
£3,390 GBP
View
Retailer 18
-
$6,321 AUD
$4,440 USD
View
Price last confirmed 13 days ago
B
Retailer 19
-
$6,741 AUD
$4,735 USD
View
B
Retailer 20
-
$13,154 AUD
$9,240 USD
View
Most Expensive
B
Brilliant Earth
18600452A · Oct 31
$15,346 AUD
$10,780 USD
View
20 more retailers have this diamond
Prices start from $1,658 AUDSave up to $13,688 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
$1,658 AUD