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Emerald|Lab Grown|IGI

2.51ct F IF Emerald Lab Grown Diamond

ID • F/IF • IGI LG776615072

Shape and cutting style on the report: Emerald cut

Certificate IGI LG776615072

Diamond specifications and retailer prices

From £487 GBP
$653 USD
As of November 1, 2026
Save £2,871 GBP (85%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £3,358 GBP at Rare Carat · As of November 1, 2026
View at Rare Carat

About this 2.51ct lab-grown emerald diamond

This 2.51ct lab-grown emerald sits in the two to three carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG776615072 or 776615072. Listed at 20 retailers as of November 1, 2026, with prices from £487 to £3,358, a £2,871 spread on the same certified stone. Rare Carat lists it at £3,358. 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

2.51
Carat
F
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.9°
Pavilion angle42.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG776615072
Dimensions8.78 × 6.35 × 4.27 mm
L/W Ratio1.38
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.78 mm6.35 mm2.51 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG776615072
Side View
Table 66.0%Crown 31.9°Girdle: ThickPavilion 42.5°Culet: LargeDepth 67.2%

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: Nov 1
Current: £3,358 GBP|Low: £375 GBP|High: £3,403 GBP|Avg: £1,364 GBP|-1.3%
Rare Carat
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
Retailer 20
November 2, 2026
Retailer 17£487 GBP
Retailer 14£530 GBP
Retailer 8£546 GBP
Retailer 3£565 GBP
Retailer 11£588 GBP
Retailer 19£698 GBP
Retailer 5£833 GBP
Retailer 2£904 GBP
Retailer 9£922 GBP
Retailer 15£1,342 GBP
Retailer 16£1,443 GBP
Retailer 4£1,458 GBP
Retailer 18£1,481 GBP
Retailer 10£1,589 GBP
Retailer 20£1,763 GBP
Retailer 6£1,928 GBP
Retailer 7£1,950 GBP
Retailer 12£2,241 GBP
Retailer 13£2,381 GBP
Rare Carat£3,358 GBP

31 data points across 20 retailers

20 retailers£487 GBP to £3,358 GBP

A
Cheapest Retailer
-
£487 GBP
$653 USD
A
Retailer 2
-
£530 GBP
$710 USD
View
A
Retailer 3
-
£546 GBP
$731 USD
View
Final sale: no returns
A
Retailer 4
-
£565 GBP
$757 USD
View
Retailer 5
-
£588 GBP
$788 USD
View
Price last confirmed 16 days ago
A
Retailer 6
-
£698 GBP
$935 USD
View
A
Retailer 7
-
£833 GBP
$1,116 USD
View
A
Retailer 8
-
£904 GBP
View
A
Retailer 9
-
£922 GBP
$1,235 USD
View
A
Retailer 10
-
£1,342 GBP
A$2,766 AUD
View
A
Retailer 11
-
£1,443 GBP
$1,934 USD
View
A
Retailer 12
-
£1,458 GBP
ZAR 31,563 ZAR
View
A
Retailer 13
-
£1,481 GBP
$1,984 USD
View
B+
Retailer 14
-
£1,589 GBP
$2,129 USD
View
B+
Retailer 15
-
£1,763 GBP
View
B+
Retailer 16
-
£1,928 GBP
$2,583 USD
View
B+
Retailer 17
-
£1,950 GBP
$2,613 USD
View
Retailer 18
-
£2,241 GBP
A$4,620 AUD
View
Price last confirmed 24 days ago
B+
Retailer 19
-
£2,381 GBP
View
Most Expensive
B
Rare Carat
C-228_l_776615072 · Nov 1
£3,358 GBP
$4,500 USD
View
19 more retailers have this diamond
Prices start from £487 GBPSave up to £2,871 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
2.51ct Emerald
£487 GBP