Emerald|Lab Grown|IGI

0.51ct F IF Emerald Lab Grown Diamond

GD • F/IF • IGI LG725501194

Shape and cutting style on the report: Emerald cut

Certificate IGI LG725501194

Diamond specifications and retailer prices

From £195 GBP
As of November 5, 2026
Save £785 GBP (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £980 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 0.51ct lab-grown emerald diamond

This 0.51ct lab-grown emerald sits in the half to three-quarter carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a standard cut grade and certified by IGI LG725501194 or 725501194. Listed at 11 retailers as of November 5, 2026, with prices from £195 to £980, a £785 spread on the same certified stone. MOH London lists it at £980. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.51
Carat
F
Colour
IF
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG725501194
Dimensions5.67 × 3.74 × 2.49 mm
L/W Ratio1.52
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
5.67 mm3.74 mm0.51 ctF / IF
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG725501194
Side View
Table 63.0%Crown 32.5°Girdle: MED-STKPavilion 39.7°Culet: LargeDepth 66.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: £980 GBP|Low: £185 GBP|High: £994 GBP|Avg: £348 GBP|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 2£195 GBP
Retailer 6£216 GBP
Retailer 9£225 GBP
Retailer 11£228 GBP
Retailer 4£270 GBP
Retailer 10£274 GBP
Retailer 3£286 GBP
Retailer 5£286 GBP
Retailer 8£362 GBP
Retailer 7£420 GBP
MOH London£980 GBP

45 data points across 11 retailers

11 retailers£195 GBP to £980 GBP

A
Cheapest Retailer
-
£195 GBP
B+
Retailer 2
-
£216 GBP
View
B+
Retailer 3
-
£225 GBP
View
Retailer 4
-
£228 GBP
View
Price last confirmed 7 days ago
B+
Retailer 5
-
£270 GBP
View
B+
Retailer 6
-
£274 GBP
View
B+
Retailer 7
-
£286 GBP
View
B+
Retailer 8
-
£286 GBP
View
B
Retailer 9
-
£362 GBP
View
B
Retailer 10
-
£420 GBP
View
Most Expensive
B
MOH London
LG725501194 · Nov 5
£980 GBP
View
10 more retailers have this diamond
Prices start from £195 GBPSave up to £785 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
0.51ct Emerald
£195 GBP