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Emerald|Lab Grown|IGI

2.57ct E IF Emerald Lab Grown Diamond

ID • E/IF • IGI LG812621964

Shape and cutting style on the report: Emerald cut

Certificate IGI LG812621964

Diamond specifications and retailer prices

From $1,281 AUD
$900 USD
As of October 30, 2026
Save $6,378 AUD (83%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $7,659 AUD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 2.57ct lab-grown emerald diamond

This 2.57ct lab-grown emerald sits in the two to three carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG812621964 or 812621964. Listed at 20 retailers as of October 30, 2026, with prices from $1,281 to $7,659, a $6,378 spread on the same certified stone. Brilliant Earth lists it at $7,659. 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

2.57
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.3°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG812621964
Dimensions9.71 × 6.42 × 4.11 mm
L/W Ratio1.51
Culet sizeLarge
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
9.71 mm6.42 mm2.57 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG812621964
Side View
Table 64.0%Crown 30.3°Girdle: MediumPavilion 41°Culet: LargeDepth 64.0%

Caratlytics Score

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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 30
Current: $7,659 AUD|Low: $914 AUD|High: $9,111 AUD|Avg: $3,508 AUD|-15.9%
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
Retailer 17
Retailer 18
Retailer 19
October 31, 2026
Retailer 8$1,281 AUD
Retailer 6$1,310 AUD
Retailer 5$1,327 AUD
Retailer 15$1,594 AUD
Retailer 3$1,996 AUD
Retailer 12$2,037 AUD
Retailer 13$2,115 AUD
Retailer 2$2,853 AUD
Retailer 18$3,149 AUD
Retailer 7$3,389 AUD
Retailer 14$3,425 AUD
Retailer 4$3,775 AUD
Retailer 9$4,122 AUD
Retailer 16$4,153 AUD
Retailer 11$4,442 AUD
Retailer 10$4,592 AUD
Retailer 17$4,983 AUD
Retailer 19$6,527 AUD
Brilliant Earth$7,659 AUD

40 data points across 19 retailers

20 retailers$1,281 AUD to $7,659 AUD

Retailer 1
-
$1,145 AUD
$804 USD
Price last confirmed 20 days ago
A
Retailer 2
-
$1,281 AUD
$900 USD
View
Final sale: no returns
Retailer 3
-
$1,327 AUD
$932 USD
View
Price last confirmed 18 days ago
Retailer 4
-
$1,327 AUD
$932 USD
View
Price last confirmed 28 days ago
A
Retailer 5
-
$1,594 AUD
$1,120 USD
View
A
Retailer 6
-
$1,996 AUD
$1,402 USD
View
A
Retailer 7
-
$2,037 AUD
£1,127 GBP
View
A
Retailer 8
-
$2,115 AUD
€1,415 EUR
View
A
Retailer 9
-
$2,853 AUD
$2,004 USD
View
Retailer 10
-
$3,149 AUD
View
Price last confirmed 9 days ago
A
Retailer 11
-
$3,389 AUD
$2,381 USD
View
A
Retailer 12
-
$3,425 AUD
ZAR 38,862 ZAR
View
Retailer 13
-
$3,733 AUD
$2,622 USD
View
Price last confirmed 23 days ago
A
Retailer 14
-
$3,775 AUD
$2,652 USD
View
B+
Retailer 15
-
$4,153 AUD
$2,917 USD
View
B+
Retailer 16
-
$4,442 AUD
$3,120 USD
View
B+
Retailer 17
-
$4,592 AUD
$3,226 USD
View
B+
Retailer 18
-
$4,983 AUD
£2,756 GBP
View
Retailer 19
-
$6,527 AUD
$4,585 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Brilliant Earth
21017846A · Oct 30
$7,659 AUD
$5,380 USD
View
19 more retailers have this diamond
Prices start from $1,281 AUDSave up to $6,378 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
2.57ct Emerald
$1,281 AUD