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Emerald|Lab Grown|IGI

2.57ct E IF Emerald Lab Grown Diamond

ID • E/IF • IGI LG776642665

Shape and cutting style on the report: Emerald cut

Certificate IGI LG776642665

Diamond specifications and retailer prices

From $1,191 NZD
$671 USD
As of October 30, 2026
Save $4,659 NZD (80%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $5,850 NZD at MOH London · As of October 29, 2026
View at MOH London

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 LG776642665 or 776642665. Listed at 21 retailers as of October 29, 2026, with prices from $1,191 to $5,850, a $4,659 spread on the same certified stone. MOH London lists it at $5,850. 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 angle32.1°
Pavilion angle37.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG776642665
Dimensions9.64 × 6.30 × 3.96 mm
L/W Ratio1.53
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.64 mm6.30 mm2.57 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG776642665
Side View
Table 68.0%Crown 32.1°Girdle: MED-STKPavilion 37.3°Culet: LargeDepth 62.9%

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: $5,850 NZD|Low: $1,191 NZD|High: $6,068 NZD|Avg: $3,251 NZD|-3.5%
MOH London
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
October 31, 2026
Retailer 6$1,191 NZD
Retailer 5$1,331 NZD
Retailer 17$1,380 NZD
Retailer 10$1,425 NZD
Retailer 13$1,703 NZD
Retailer 3$1,886 NZD
Retailer 7$2,062 NZD
Retailer 11$2,210 NZD
Retailer 2$3,279 NZD
Retailer 14$3,527 NZD
Retailer 12$3,563 NZD
Retailer 15$3,882 NZD
Retailer 16$4,299 NZD
Retailer 18$4,626 NZD
Retailer 9$4,711 NZD
Retailer 4$4,764 NZD
Retailer 8$4,785 NZD
MOH London$5,850 NZD

38 data points across 18 retailers

21 retailers$1,191 NZD to $5,850 NZD

A
Cheapest Retailer
-
$1,191 NZD
$671 USD
Retailer 2
-
$1,327 NZD
$748 USD
View
Price last confirmed 39 days ago
A
Retailer 3
-
$1,331 NZD
$750 USD
View
Final sale: no returns
A
Retailer 4
-
$1,380 NZD
$778 USD
View
Retailer 5
-
$1,425 NZD
$803 USD
View
Price last confirmed 14 days ago
Retailer 6
-
$1,432 NZD
$807 USD
View
Price last confirmed 36 days ago
Retailer 7
-
$1,506 NZD
$849 USD
View
Price last confirmed 36 days ago
A
Retailer 8
-
$1,703 NZD
$960 USD
View
A
Retailer 9
-
$1,886 NZD
$1,063 USD
View
A
Retailer 10
-
$2,062 NZD
$1,162 USD
View
A
Retailer 11
-
$2,210 NZD
£981 GBP
View
A
Retailer 12
-
$3,279 NZD
A$2,843 AUD
View
A
Retailer 13
-
$3,527 NZD
$1,988 USD
View
A
Retailer 14
-
$3,563 NZD
ZAR 32,439 ZAR
View
A
Retailer 15
-
$3,882 NZD
$2,188 USD
View
A
Retailer 16
-
$4,299 NZD
£1,908 GBP
View
A
Retailer 17
-
$4,626 NZD
$2,607 USD
View
A
Retailer 18
-
$4,711 NZD
$2,655 USD
View
A
Retailer 19
-
$4,764 NZD
$2,685 USD
View
A
Retailer 20
-
$4,785 NZD
$2,697 USD
View
Most Expensive
B+
MOH London
LG776642665 · Oct 29
$5,850 NZD
£2,596 GBP
View
20 more retailers have this diamond
Prices start from $1,191 NZDSave up to $4,659 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
$1,191 NZD