CaratHunter
Plans
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 £856 GBP
$1,140 USD
As of October 30, 2026
Save £2,619 GBP (75%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £3,476 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 £856 to £3,476, a £2,619 spread on the same certified stone. Taylor and Hart lists it at £3,476. 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: £1,437 GBP|Low: £932 GBP|High: £3,476 GBP|Avg: £2,091 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£932 GBP
Retailer 15£959 GBP
Retailer 5£977 GBP
Retailer 13£1,123 GBP
Retailer 6£1,194 GBP
Retailer 12£1,421 GBP
Retailer 1£1,437 GBP
Retailer 9£1,752 GBP
Retailer 10£1,826 GBP
Retailer 14£1,957 GBP
Retailer 7£2,735 GBP
Retailer 2£2,876 GBP
Retailer 4£2,921 GBP
Retailer 16£3,149 GBP
Retailer 11£3,208 GBP
Retailer 8£3,328 GBP
Taylor and Hart£3,476 GBP

43 data points across 17 retailers

21 retailers£856 GBP to £3,476 GBP

B+
Cheapest Retailer
-
£856 GBP
$1,140 USD
B+
Retailer 2
-
£932 GBP
$1,241 USD
View
B+
Retailer 3
-
£959 GBP
$1,277 USD
View
Final sale: no returns
B+
Retailer 4
-
£977 GBP
$1,301 USD
View
B+
Retailer 5
-
£993 GBP
$1,323 USD
View
Retailer 6
-
£993 GBP
$1,323 USD
View
Price last confirmed 12 days ago
B+
Retailer 7
-
£1,123 GBP
$1,495 USD
View
B+
Retailer 8
-
£1,194 GBP
$1,590 USD
View
B
Retailer 9
-
£1,421 GBP
$1,892 USD
View
B+
Retailer 10
-
£1,437 GBP
View
B
Retailer 11
-
£1,752 GBP
€2,222 EUR
View
B
Retailer 12
-
£1,826 GBP
ZAR 39,278 ZAR
View
B
Retailer 13
-
£1,862 GBP
$2,479 USD
View
B
Retailer 14
-
£1,957 GBP
$2,606 USD
View
B
Retailer 15
-
£2,735 GBP
View
B
Retailer 16
-
£2,876 GBP
$3,830 USD
View
B
Retailer 17
-
£2,921 GBP
$3,890 USD
View
B
Retailer 18
-
£3,149 GBP
$4,194 USD
View
B
Retailer 19
-
£3,208 GBP
View
B
Retailer 20
-
£3,328 GBP
SGD 5,989 SGD
View
Most Expensive
B
Taylor and Hart
FA7BBCB · Oct 30
£3,476 GBP
$4,628 USD
View
20 more retailers have this diamond
Prices start from £856 GBPSave up to £2,619 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
£856 GBP