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Emerald|Lab Grown|IGI

2.56ct E IF Emerald Lab Grown Diamond

ID • E/IF • IGI LG791608970

Shape and cutting style on the report: Emerald cut

Certificate IGI LG791608970

Diamond specifications and retailer prices

From £539 GBP
$722 USD
As of October 30, 2026
Save £3,439 GBP (86%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £3,978 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 2.56ct lab-grown emerald diamond

This 2.56ct 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 LG791608970 or 791608970. Listed at 24 retailers as of October 30, 2026, with prices from £539 to £3,978, a £3,439 spread on the same certified stone. Brilliant Earth lists it at £3,978. 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

2.56
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.5°
Pavilion angle36.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG791608970
Dimensions9.63 × 6.48 × 4.00 mm
L/W Ratio1.49
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.63 mm6.48 mm2.56 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG791608970
Side View
Table 63.0%Crown 37.5°Girdle: MediumPavilion 36.3°Culet: LargeDepth 61.7%

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: £3,978 GBP|Low: £508 GBP|High: £3,978 GBP|Avg: £1,465 GBP
Brilliant Earth
Retailer 2
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Retailer 11
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Retailer 18
October 31, 2026
Retailer 3£539 GBP
Retailer 9£630 GBP
Retailer 6£709 GBP
Retailer 16£773 GBP
Retailer 8£802 GBP
Retailer 13£857 GBP
Retailer 12£894 GBP
Retailer 2£1,222 GBP
Retailer 11£1,328 GBP
Retailer 15£1,443 GBP
Retailer 5£1,888 GBP
Retailer 17£1,909 GBP
Retailer 18£1,926 GBP
Retailer 7£1,931 GBP
Retailer 4£1,954 GBP
Retailer 14£2,370 GBP
Retailer 10£2,396 GBP
Brilliant Earth£3,978 GBP

25 data points across 18 retailers

24 retailers£539 GBP to £3,978 GBP

A
Cheapest Retailer
-
£539 GBP
$722 USD
Final sale: no returns
Retailer 2
-
£555 GBP
$743 USD
View
Price last confirmed 31 days ago
Retailer 3
-
£603 GBP
$808 USD
View
Price last confirmed 36 days ago
Retailer 4
-
£630 GBP
$844 USD
View
Price last confirmed 18 days ago
Retailer 5
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£634 GBP
$850 USD
View
Price last confirmed 31 days ago
A
Retailer 6
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£709 GBP
$950 USD
View
A
Retailer 7
-
£773 GBP
$1,036 USD
View
A
Retailer 8
-
£802 GBP
$1,075 USD
View
A
Retailer 9
-
£857 GBP
€1,094 EUR
View
A
Retailer 10
-
£894 GBP
View
A
Retailer 11
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£1,222 GBP
$1,638 USD
View
A
Retailer 12
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£1,328 GBP
A$2,738 AUD
View
A
Retailer 13
-
£1,443 GBP
ZAR 31,243 ZAR
View
A
Retailer 14
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£1,806 GBP
$2,420 USD
View
Retailer 15
-
£1,808 GBP
$2,423 USD
View
Price last confirmed 30 days ago
A
Retailer 16
-
£1,888 GBP
SGD 3,419 SGD
View
A
Retailer 17
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£1,909 GBP
$2,558 USD
View
A
Retailer 18
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£1,926 GBP
$2,580 USD
View
A
Retailer 19
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£1,931 GBP
$2,587 USD
View
A
Retailer 20
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£1,954 GBP
$2,618 USD
View
B+
Retailer 21
-
£2,370 GBP
View
Retailer 22
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£2,396 GBP
A$4,939 AUD
View
Price last confirmed 22 days ago
Retailer 23
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£3,499 GBP
$4,688 USD
View
Price last confirmed 68 days ago
Most Expensive
B
Brilliant Earth
19353922A · Oct 30
£3,978 GBP
$5,330 USD
View
23 more retailers have this diamond
Prices start from £539 GBPSave up to £3,439 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
2.56ct Emerald
£539 GBP