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Emerald|Lab Grown|IGI

1.51ct E FL Emerald Lab Grown Diamond

ID • E/FL • IGI LG816625172

Shape and cutting style on the report: Emerald cut

Certificate IGI LG816625172

Diamond specifications and retailer prices

From £553 GBP
$737 USD
As of October 28, 2026
Save £2,293 GBP (81%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £2,846 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

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 LG816625172 or 816625172. Listed at 9 retailers as of October 28, 2026, with prices from £553 to £2,846, a £2,293 spread on the same certified stone. Brilliant Earth lists it at £2,846. 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 angle31.8°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816625172
Dimensions7.82 × 5.31 × 3.68 mm
L/W Ratio1.47
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
7.82 mm5.31 mm1.51 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816625172
Side View
Table 66.0%Crown 31.8°Girdle: MED-STKPavilion 39.7°Culet: LargeDepth 69.3%

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 28
Current: £2,846 GBP|Low: £260 GBP|High: £2,846 GBP|Avg: £1,212 GBP
Brilliant Earth
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
October 29, 2026
Retailer 5£260 GBP
Retailer 10£553 GBP
Retailer 7£582 GBP
Retailer 6£629 GBP
Retailer 13£650 GBP
Retailer 14£670 GBP
Retailer 4£798 GBP
Retailer 9£923 GBP
Retailer 12£1,189 GBP
Retailer 3£1,324 GBP
Retailer 2£1,503 GBP
Retailer 8£2,486 GBP
Retailer 11£2,564 GBP
Brilliant Earth£2,846 GBP

13 data points across 14 retailers

9 retailers£553 GBP to £2,846 GBP

A
Cheapest Retailer
-
£553 GBP
$737 USD
A
Retailer 2
-
£582 GBP
$775 USD
View
A
Retailer 3
-
£670 GBP
ZAR 14,412 ZAR
View
Price last confirmed 48 days ago
B+
Retailer 4
-
£923 GBP
$1,229 USD
View
B+
Retailer 5
-
£1,189 GBP
$1,583 USD
View
B+
Retailer 6
-
£1,503 GBP
View
B
Retailer 7
-
£2,486 GBP
$3,310 USD
View
B
Retailer 8
-
£2,564 GBP
$3,415 USD
View
Most Expensive
B
Brilliant Earth
21730961Y · Oct 29
£2,846 GBP
$3,790 USD
View
8 more retailers have this diamond
Prices start from £553 GBPSave up to £2,293 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
1.51ct Emerald
£553 GBP