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Emerald|Lab Grown|IGI

1.51ct E FL Emerald Lab Grown Diamond

ID • E/FL • IGI LG790671718

Shape and cutting style on the report: Emerald cut

Certificate IGI LG790671718

Diamond specifications and retailer prices

From £851 GBP
$1,140 USD
As of October 30, 2026
Save £2,603 GBP (75%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £3,454 GBP at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 1.51ct lab-grown emerald diamond

This 1.51ct lab-grown emerald sits in the one-and-a-half to two carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG790671718 or 790671718. Listed at 21 retailers as of October 30, 2026, with prices from £851 to £3,454, a £2,603 spread on the same certified stone. Taylor and Hart lists it at £3,454. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32°
Pavilion angle37.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790671718
Dimensions8.24 × 5.11 × 3.22 mm
L/W Ratio1.61
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.24 mm5.11 mm1.51 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG790671718
Side View
Table 65.0%Crown 32°Girdle: ThickPavilion 37.3°Culet: LargeDepth 63.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £1,428 GBP|Low: £926 GBP|High: £3,454 GBP|Avg: £2,080 GBP|-3.7%
Retailer 1
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
Taylor and Hart
October 30, 2026
Retailer 3£926 GBP
Retailer 15£953 GBP
Retailer 5£971 GBP
Retailer 13£1,116 GBP
Retailer 6£1,187 GBP
Retailer 12£1,412 GBP
Retailer 1£1,428 GBP
Retailer 9£1,741 GBP
Retailer 10£1,815 GBP
Retailer 14£1,945 GBP
Retailer 7£2,718 GBP
Retailer 2£2,858 GBP
Retailer 4£2,903 GBP
Retailer 16£3,130 GBP
Retailer 11£3,189 GBP
Retailer 8£3,308 GBP
Taylor and Hart£3,454 GBP

42 data points across 17 retailers

21 retailers£851 GBP to £3,454 GBP

B+
Cheapest Retailer
-
£851 GBP
$1,140 USD
B+
Retailer 2
-
£926 GBP
$1,241 USD
View
B+
Retailer 3
-
£953 GBP
$1,277 USD
View
Final sale: no returns
B+
Retailer 4
-
£971 GBP
$1,301 USD
View
B+
Retailer 5
-
£987 GBP
$1,323 USD
View
Retailer 6
-
£987 GBP
$1,323 USD
View
Price last confirmed 13 days ago
B+
Retailer 7
-
£1,116 GBP
$1,495 USD
View
B+
Retailer 8
-
£1,187 GBP
$1,590 USD
View
B
Retailer 9
-
£1,412 GBP
$1,892 USD
View
B+
Retailer 10
-
£1,428 GBP
View
B
Retailer 11
-
£1,741 GBP
€2,222 EUR
View
B
Retailer 12
-
£1,815 GBP
ZAR 39,278 ZAR
View
B
Retailer 13
-
£1,850 GBP
$2,479 USD
View
B
Retailer 14
-
£1,945 GBP
$2,606 USD
View
B
Retailer 15
-
£2,718 GBP
View
B
Retailer 16
-
£2,858 GBP
$3,830 USD
View
B
Retailer 17
-
£2,903 GBP
$3,890 USD
View
B
Retailer 18
-
£3,130 GBP
$4,194 USD
View
B
Retailer 19
-
£3,189 GBP
View
B
Retailer 20
-
£3,308 GBP
SGD 5,989 SGD
View
Most Expensive
B
Taylor and Hart
FA7BBCB · Oct 30
£3,454 GBP
$4,628 USD
View
20 more retailers have this diamond
Prices start from £851 GBPSave up to £2,603 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.

B+
1.51ct Emerald
£851 GBP