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 $900 USD
As of October 28, 2026
Save $5,290 USD (85%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $6,190 USD at Brilliant Earth · As of October 29, 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 28, 2026, with prices from $900 to $6,190, a $5,290 spread on the same certified stone. Brilliant Earth lists it at $6,190. 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
Color
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

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 28
Current: $6,190 USD|Low: $642 USD|High: $6,400 USD|Avg: $2,458 USD|-3.3%
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 30, 2026
Retailer 8$900 USD
Retailer 6$920 USD
Retailer 5$932 USD
Retailer 14$1,120 USD
Retailer 3$1,402 USD
Retailer 2$1,431 USD
Retailer 12$1,486 USD
Retailer 18$2,212 USD
Retailer 17$2,217 USD
Retailer 7$2,381 USD
Retailer 13$2,406 USD
Retailer 4$2,652 USD
Retailer 9$2,896 USD
Retailer 15$2,917 USD
Retailer 11$3,120 USD
Retailer 10$3,226 USD
Retailer 16$3,500 USD
Retailer 19$4,585 USD
Brilliant Earth$6,190 USD

40 data points across 19 retailers

20 retailers$900 USD to $6,190 USD

Retailer 1
-
$804 USD
Price last confirmed 19 days ago
A
Retailer 2
-
$900 USD
View
Final sale: no returns
Retailer 3
-
$932 USD
View
Price last confirmed 17 days ago
Retailer 4
-
$932 USD
View
Price last confirmed 27 days ago
A
Retailer 5
-
$1,120 USD
View
A
Retailer 6
-
$1,402 USD
View
A
Retailer 7
-
$1,431 USD
£1,127 GBP
View
A
Retailer 8
-
$1,486 USD
€1,415 EUR
View
Retailer 9
-
$2,212 USD
A$3,403 AUD
View
Price last confirmed 8 days ago
A
Retailer 10
-
$2,217 USD
View
A
Retailer 11
-
$2,381 USD
View
A
Retailer 12
-
$2,406 USD
ZAR 38,862 ZAR
View
Retailer 13
-
$2,622 USD
View
Price last confirmed 22 days ago
A
Retailer 14
-
$2,652 USD
View
A
Retailer 15
-
$2,917 USD
View
B+
Retailer 16
-
$3,120 USD
View
B+
Retailer 17
-
$3,226 USD
View
B+
Retailer 18
-
$3,500 USD
£2,756 GBP
View
Retailer 19
-
$4,585 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
21017846A · Oct 29
$6,190 USD
View
19 more retailers have this diamond
Prices start from $900 USDSave up to $5,290 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
2.57ct Emerald
$900 USD