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Emerald|Lab Grown|IGI

1.64ct D IF Emerald Lab Grown Diamond

ID • D/IF • IGI LG771614905

Shape and cutting style on the report: Emerald cut

Certificate IGI LG771614905

Diamond specifications and retailer prices

From £332 GBP
$445 USD
As of October 30, 2026
Save £627 GBP (65%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £959 GBP at MOH London · As of October 26, 2026
View at MOH London

About this 1.64ct lab-grown emerald diamond

This 1.64ct lab-grown emerald sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG771614905 or 771614905. Listed at 6 retailers as of October 26, 2026, with prices from £332 to £959, a £627 spread on the same certified stone. MOH London lists it at £959. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.64
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle36.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG771614905
Dimensions8.15 × 5.47 × 3.60 mm
L/W Ratio1.49
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
8.15 mm5.47 mm1.64 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG771614905
Side View
Table 60.0%Crown 36.2°Girdle: Slightly ThickPavilion 36.9°Culet: LargeDepth 65.8%

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 30
Current: £959 GBP|Low: £332 GBP|High: £970 GBP|Avg: £635 GBP|+0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 30, 2026
Retailer 3£332 GBP
Retailer 4£440 GBP
Retailer 2£456 GBP
Retailer 6£807 GBP
Retailer 5£861 GBP
MOH London£959 GBP

40 data points across 6 retailers

6 retailers£332 GBP to £959 GBP

B+
Cheapest Retailer
-
£332 GBP
$445 USD
A
Retailer 2
-
£440 GBP
$589 USD
View
A
Retailer 3
-
£456 GBP
View
B+
Retailer 4
-
£807 GBP
$1,081 USD
View
B+
Retailer 5
-
£861 GBP
$1,154 USD
View
Most Expensive
B+
MOH London
LG771614905 · Oct 26
£959 GBP
View
5 more retailers have this diamond
Prices start from £332 GBPSave up to £627 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
1.64ct Emerald
£332 GBP