Emerald|Lab Grown|IGI

1.64ct F SI1 Emerald Lab Grown Diamond

GD • F/SI1 • IGI LG515227781

Shape and cutting style on the report: Emerald cut

Certificate IGI LG515227781

Diamond specifications and retailer prices

From $508 USD
As of November 1, 2026
Save $1,832 USD (78%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $2,340 USD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

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 LG515227781 or 515227781. Listed at 11 retailers as of October 31, 2026, with prices from $508 to $2,340, a $1,832 spread on the same certified stone. Do Amore Diamonds lists it at $2,340. 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 angle29.3°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG515227781
Dimensions7.90 × 5.47 × 3.76 mm
L/W Ratio1.44
Culet sizeLong
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.90 mm5.47 mm1.64 ctF / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG515227781
Side View
Table 64.5%Crown 29.3°Girdle: Slightly ThickPavilion 35.4°Culet: LNGDepth 68.7%

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: Nov 1
Current: $2,340 USD|Low: $390 USD|High: $2,340 USD|Avg: $932 USD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 7$508 USD
Retailer 2$639 USD
Retailer 8$825 USD
Retailer 5$860 USD
Retailer 4$974 USD
Retailer 9$1,063 USD
Retailer 6$1,239 USD
Retailer 3$1,337 USD
Do Amore Diamonds$2,340 USD

39 data points across 9 retailers

11 retailers$508 USD to $2,340 USD

Retailer 1
-
$192 USD
Price last confirmed 40 days ago
Retailer 2
-
$235 USD
View
Price last confirmed 39 days ago
B+
Retailer 3
-
$508 USD
View
B+
Retailer 4
-
$639 USD
£503 GBP
View
B+
Retailer 5
-
$825 USD
View
B
Retailer 6
-
$860 USD
View
B
Retailer 7
-
$974 USD
View
B
Retailer 8
-
$1,063 USD
View
C
Retailer 9
-
$1,239 USD
View
C
Retailer 10
-
$1,337 USD
£1,053 GBP
View
Most Expensive
C
Do Amore Diamonds
27-DE5A2610B · Oct 31
$2,340 USD
View
10 more retailers have this diamond
Prices start from $508 USDSave up to $1,832 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
$508 USD