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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 $1,597 NZD
$900 USD
As of October 30, 2026
Save $7,949 NZD (83%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $9,546 NZD 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 $1,597 to $9,546, a $7,949 spread on the same certified stone. Brilliant Earth lists it at $9,546. 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

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: $9,546 NZD|Low: $1,139 NZD|High: $11,356 NZD|Avg: $4,378 NZD|-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$1,597 NZD
Retailer 6$1,632 NZD
Retailer 5$1,654 NZD
Retailer 12$1,969 NZD
Retailer 3$2,488 NZD
Retailer 14$2,539 NZD
Retailer 15$2,636 NZD
Retailer 13$3,556 NZD
Retailer 2$3,928 NZD
Retailer 7$4,224 NZD
Retailer 16$4,268 NZD
Retailer 4$4,705 NZD
Retailer 9$5,138 NZD
Retailer 17$5,176 NZD
Retailer 11$5,537 NZD
Retailer 10$5,723 NZD
Retailer 18$6,210 NZD
Retailer 19$8,135 NZD
Brilliant Earth$9,546 NZD

39 data points across 19 retailers

20 retailers$1,597 NZD to $9,546 NZD

Retailer 1
-
$1,427 NZD
$804 USD
Price last confirmed 20 days ago
A
Retailer 2
-
$1,597 NZD
$900 USD
View
Final sale: no returns
Retailer 3
-
$1,654 NZD
$932 USD
View
Price last confirmed 18 days ago
Retailer 4
-
$1,654 NZD
$932 USD
View
Price last confirmed 28 days ago
A
Retailer 5
-
$1,969 NZD
$1,110 USD
View
A
Retailer 6
-
$2,488 NZD
$1,402 USD
View
A
Retailer 7
-
$2,539 NZD
£1,127 GBP
View
A
Retailer 8
-
$2,636 NZD
€1,415 EUR
View
A
Retailer 9
-
$3,556 NZD
$2,004 USD
View
A
Retailer 10
-
$3,928 NZD
A$3,406 AUD
View
A
Retailer 11
-
$4,224 NZD
$2,381 USD
View
A
Retailer 12
-
$4,268 NZD
ZAR 38,862 ZAR
View
Retailer 13
-
$4,652 NZD
$2,622 USD
View
Price last confirmed 23 days ago
A
Retailer 14
-
$4,705 NZD
$2,652 USD
View
B+
Retailer 15
-
$5,176 NZD
$2,917 USD
View
B+
Retailer 16
-
$5,537 NZD
$3,120 USD
View
B+
Retailer 17
-
$5,723 NZD
$3,226 USD
View
B+
Retailer 18
-
$6,210 NZD
£2,756 GBP
View
Retailer 19
-
$8,135 NZD
$4,585 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Brilliant Earth
21017846A · Oct 30
$9,546 NZD
$5,380 USD
View
19 more retailers have this diamond
Prices start from $1,597 NZDSave up to $7,949 NZD

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
$1,597 NZD