Emerald|Lab Grown|IGI

1.64ct F SI1 Emerald Lab Grown Diamond

GD • F/SI1 • IGI LG541253245

Shape and cutting style on the report: Emerald cut

Certificate IGI LG541253245

Diamond specifications and retailer prices

From $258 USD
As of October 30, 2026
Save $893 USD (78%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,151 USD at MOH London · As of October 29, 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 F colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI LG541253245 or 541253245. Listed at 13 retailers as of October 29, 2026, with prices from $258 to $1,151, a $893 spread on the same certified stone. MOH London lists it at $1,151. 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

1.64
Carat
F
Color
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle20.9°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG541253245
Dimensions8.38 × 5.49 × 3.61 mm
L/W Ratio1.53
Culet sizeLong
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
8.38 mm5.49 mm1.64 ctF / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG541253245
Side View
Table 59.0%Crown 20.9°Girdle: MediumPavilion 39.3°Culet: LNGDepth 65.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $1,151 USD|Low: $219 USD|High: $1,151 USD|Avg: $511 USD|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 10$228 USD
Retailer 9$258 USD
Retailer 4$265 USD
Retailer 12$283 USD
Retailer 5$285 USD
Retailer 11$370 USD
Retailer 2$534 USD
Retailer 8$618 USD
Retailer 3$910 USD
Retailer 6$921 USD
Retailer 7$970 USD
MOH London$1,151 USD

43 data points across 12 retailers

13 retailers$258 USD to $1,151 USD

Retailer 1
-
$228 USD
Price last confirmed 20 days ago
B+
Retailer 2
-
$258 USD
View
Final sale: no returns
Retailer 3
-
$265 USD
View
Price last confirmed 18 days ago
Retailer 4
-
$283 USD
View
Price last confirmed 19 days ago
Retailer 5
-
$283 USD
View
Price last confirmed 28 days ago
B+
Retailer 6
-
$285 USD
View
B+
Retailer 7
-
$370 USD
View
B+
Retailer 8
-
$534 USD
£421 GBP
View
B+
Retailer 9
-
$618 USD
View
Retailer 10
-
$910 USD
View
Price last confirmed 24 days ago
B
Retailer 11
-
$921 USD
View
B
Retailer 12
-
$970 USD
View
Most Expensive
B
MOH London
LG541253245 · Oct 29
$1,151 USD
£906 GBP
View
12 more retailers have this diamond
Prices start from $258 USDSave up to $893 USD

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.

B+
1.64ct Emerald
$258 USD