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 $671 USD
As of October 30, 2026
Save $2,626 USD (80%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $3,297 USD 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 $671 to $3,297, a $2,626 spread on the same certified stone. MOH London lists it at $3,297. 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 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $3,297 USD|Low: $671 USD|High: $3,420 USD|Avg: $1,801 USD|-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 30, 2026
Retailer 6$671 USD
Retailer 5$750 USD
Retailer 16$778 USD
Retailer 10$803 USD
Retailer 12$960 USD
Retailer 18$1,063 USD
Retailer 7$1,162 USD
Retailer 2$1,245 USD
Retailer 4$1,847 USD
Retailer 13$1,988 USD
Retailer 11$2,008 USD
Retailer 14$2,188 USD
Retailer 15$2,423 USD
Retailer 17$2,607 USD
Retailer 9$2,655 USD
Retailer 3$2,685 USD
Retailer 8$2,697 USD
MOH London$3,297 USD

37 data points across 18 retailers

21 retailers$671 USD to $3,297 USD

A
Cheapest Retailer
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$671 USD
Retailer 2
-
$748 USD
View
Price last confirmed 38 days ago
A
Retailer 3
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$750 USD
View
Final sale: no returns
A
Retailer 4
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$778 USD
View
Retailer 5
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$803 USD
View
Price last confirmed 13 days ago
Retailer 6
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$807 USD
View
Price last confirmed 35 days ago
Retailer 7
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$849 USD
View
Price last confirmed 35 days ago
A
Retailer 8
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$960 USD
View
A
Retailer 9
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$1,063 USD
View
A
Retailer 10
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$1,162 USD
View
A
Retailer 11
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$1,245 USD
£981 GBP
View
Retailer 12
-
$1,847 USD
A$2,841 AUD
View
Price last confirmed 8 days ago
A
Retailer 13
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$1,988 USD
View
A
Retailer 14
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$2,008 USD
ZAR 32,439 ZAR
View
A
Retailer 15
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$2,188 USD
View
A
Retailer 16
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$2,423 USD
£1,908 GBP
View
A
Retailer 17
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$2,607 USD
View
A
Retailer 18
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$2,655 USD
View
A
Retailer 19
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$2,685 USD
View
A
Retailer 20
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$2,697 USD
View
Most Expensive
B+
MOH London
LG776642665 · Oct 29
$3,297 USD
£2,596 GBP
View
20 more retailers have this diamond
Prices start from $671 USDSave up to $2,626 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
$671 USD