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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 £672 GBP
$900 USD
As of October 30, 2026
Save £3,344 GBP (83%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £4,015 GBP 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 £672 to £4,015, a £3,344 spread on the same certified stone. Brilliant Earth lists it at £4,015. 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: £4,015 GBP|Low: £479 GBP|High: £4,777 GBP|Avg: £1,839 GBP|-15.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 11
Retailer 12
Retailer 13
Retailer 14
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Retailer 18
Retailer 19
October 31, 2026
Retailer 8£672 GBP
Retailer 6£687 GBP
Retailer 5£696 GBP
Retailer 15£836 GBP
Retailer 3£1,046 GBP
Retailer 12£1,068 GBP
Retailer 13£1,109 GBP
Retailer 2£1,496 GBP
Retailer 18£1,651 GBP
Retailer 7£1,777 GBP
Retailer 14£1,795 GBP
Retailer 4£1,979 GBP
Retailer 9£2,161 GBP
Retailer 16£2,177 GBP
Retailer 11£2,329 GBP
Retailer 10£2,407 GBP
Retailer 17£2,612 GBP
Retailer 19£3,422 GBP
Brilliant Earth£4,015 GBP

40 data points across 19 retailers

20 retailers£672 GBP to £4,015 GBP

Retailer 1
-
£600 GBP
$804 USD
Price last confirmed 20 days ago
A
Retailer 2
-
£672 GBP
$900 USD
View
Final sale: no returns
Retailer 3
-
£696 GBP
$932 USD
View
Price last confirmed 18 days ago
Retailer 4
-
£696 GBP
$932 USD
View
Price last confirmed 28 days ago
A
Retailer 5
-
£836 GBP
$1,120 USD
View
A
Retailer 6
-
£1,046 GBP
$1,402 USD
View
A
Retailer 7
-
£1,068 GBP
View
A
Retailer 8
-
£1,109 GBP
€1,415 EUR
View
A
Retailer 9
-
£1,496 GBP
$2,004 USD
View
Retailer 10
-
£1,651 GBP
A$3,403 AUD
View
Price last confirmed 9 days ago
A
Retailer 11
-
£1,777 GBP
$2,381 USD
View
A
Retailer 12
-
£1,795 GBP
ZAR 38,862 ZAR
View
Retailer 13
-
£1,957 GBP
$2,622 USD
View
Price last confirmed 23 days ago
A
Retailer 14
-
£1,979 GBP
$2,652 USD
View
B+
Retailer 15
-
£2,177 GBP
$2,917 USD
View
B+
Retailer 16
-
£2,329 GBP
$3,120 USD
View
B+
Retailer 17
-
£2,407 GBP
$3,226 USD
View
B+
Retailer 18
-
£2,612 GBP
View
Retailer 19
-
£3,422 GBP
$4,585 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Brilliant Earth
21017846A · Oct 30
£4,015 GBP
$5,380 USD
View
19 more retailers have this diamond
Prices start from £672 GBPSave up to £3,344 GBP

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
£672 GBP