Emerald|Lab Grown|IGI

0.81ct F SI1 Emerald Lab Grown Diamond

VG • F/SI1 • IGI LG12655114

Shape and cutting style on the report: Emerald cut

Certificate IGI LG12655114

Diamond specifications and retailer prices

From £90 GBP
$121 USD
As of October 29, 2026
Save £939 GBP (91%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £1,029 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 0.81ct lab-grown emerald diamond

This 0.81ct lab-grown emerald sits in the just-under-one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG12655114 or 12655114. Listed at 8 retailers as of October 29, 2026, with prices from £90 to £1,029, a £939 spread on the same certified stone. MOH London lists it at £1,029. 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

0.81
Carat
F
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle40.5°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG12655114
Dimensions5.91 × 4.28 × 3.09 mm
L/W Ratio1.38
Culet sizeLarge
Cert comments
As Grown - No indications of post-growth treatment. This Laboratory Grown Diamond was created by High Pressure High Tempertature (HPHT) growth process.
Top View
5.91 mm4.28 mm0.81 ctF / SI1
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG12655114
Side View
Table 61.5%Crown 40.5°Girdle: Very ThickPavilion 38.6°Culet: LargeDepth 72.2%

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 29
Current: £1,029 GBP|Low: £72 GBP|High: £1,042 GBP|Avg: £394 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 5£90 GBP
Retailer 8£101 GBP
Retailer 9£104 GBP
Retailer 11£202 GBP
Retailer 6£217 GBP
Retailer 12£319 GBP
Retailer 7£396 GBP
Retailer 2£400 GBP
Retailer 3£405 GBP
Retailer 4£470 GBP
Retailer 10£1,008 GBP
MOH London£1,029 GBP

16 data points across 12 retailers

8 retailers£90 GBP to £1,029 GBP

A
Cheapest Retailer
-
£90 GBP
$121 USD
B+
Retailer 2
-
£101 GBP
$135 USD
View
Final sale: no returns
B+
Retailer 3
-
£104 GBP
$140 USD
View
B+
Retailer 4
-
£217 GBP
$291 USD
View
B
Retailer 5
-
£396 GBP
$531 USD
View
B
Retailer 6
-
£400 GBP
$536 USD
View
C
Retailer 7
-
£1,008 GBP
$1,350 USD
View
Most Expensive
C
MOH London
LG12655114 · Nov 1
£1,029 GBP
View
7 more retailers have this diamond
Prices start from £90 GBPSave up to £939 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
0.81ct Emerald
£90 GBP