CaratHunter
Plans
Emerald|Lab Grown|IGI

1.51ct F IF Emerald Lab Grown Diamond

ID • F/IF • IGI LG801692099

Shape and cutting style on the report: Emerald cut

Certificate IGI LG801692099

Diamond specifications and retailer prices

From £372 GBP
As of November 4, 2026
Save £1,132 GBP (75%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £1,504 GBP at Brilliant Earth · As of November 3, 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 F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG801692099 or 801692099. Listed at 7 retailers as of November 3, 2026, with prices from £372 to £1,504, a £1,132 spread on the same certified stone. Brilliant Earth lists it at £1,504. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
F
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG801692099
Dimensions7.62 × 5.40 × 3.70 mm
L/W Ratio1.41
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.62 mm5.40 mm1.51 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG801692099
Side View
Table 66.0%Crown 36.6°Girdle: MediumPavilion 41.5°Culet: LargeDepth 68.5%

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 4
Current: £1,504 GBP|Low: £358 GBP|High: £1,548 GBP|Avg: £727 GBP|-2.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 5£372 GBP
Retailer 4£406 GBP
Retailer 6£413 GBP
Retailer 3£576 GBP
Retailer 2£881 GBP
Retailer 7£1,207 GBP
Brilliant Earth£1,504 GBP

20 data points across 7 retailers

7 retailers£372 GBP to £1,504 GBP

A
Cheapest Retailer
-
£372 GBP
A
Retailer 2
-
£406 GBP
View
Retailer 3
-
£413 GBP
View
Price last confirmed 11 days ago
A
Retailer 4
-
£576 GBP
View
B+
Retailer 5
-
£881 GBP
View
B
Retailer 6
-
£1,207 GBP
View
Most Expensive
B
Brilliant Earth
20555455A · Nov 3
£1,504 GBP
$2,030 USD
View
6 more retailers have this diamond
Prices start from £372 GBPSave up to £1,132 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
£372 GBP