Emerald|Lab Grown|IGI

1.64ct G SI2 Emerald Lab Grown Diamond

ID • G/SI2 • IGI LG628481294

Shape and cutting style on the report: Emerald cut

Certificate IGI LG628481294

Diamond specifications and retailer prices

From $156 USD
As of October 30, 2026
Save $914 USD (85%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,070 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

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 G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG628481294 or 628481294. Listed at 15 retailers as of October 30, 2026, with prices from $156 to $1,070, a $914 spread on the same certified stone. Brilliant Earth lists it at $1,070. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.64
Carat
G
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.8°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG628481294
Dimensions8.02 × 5.57 × 3.77 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
8.02 mm5.57 mm1.64 ctG / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG628481294
Side View
Table 69.0%Crown 37.8°Girdle: MediumPavilion 40.5°Culet: LNGDepth 67.7%

Caratlytics Score

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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: Oct 30
Current: $1,070 USD|Low: $156 USD|High: $1,500 USD|Avg: $522 USD|-28.7%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 1, 2026
Retailer 10$156 USD
Retailer 15$174 USD
Retailer 5$180 USD
Retailer 12$193 USD
Retailer 6$200 USD
Retailer 11$335 USD
Retailer 2$338 USD
Retailer 9$342 USD
Retailer 4$351 USD
Retailer 14$461 USD
Retailer 8$519 USD
Retailer 3$620 USD
Retailer 7$875 USD
Retailer 13$907 USD
Brilliant Earth$1,070 USD

37 data points across 15 retailers

15 retailers$156 USD to $1,070 USD

A
Cheapest Retailer
-
$156 USD
B+
Retailer 2
-
$174 USD
View
Final sale: no returns
A
Retailer 3
-
$180 USD
View
A
Retailer 4
-
$193 USD
View
Retailer 5
-
$200 USD
View
Price last confirmed 7 days ago
A
Retailer 6
-
$335 USD
€319 EUR
View
A
Retailer 7
-
$338 USD
£266 GBP
View
A
Retailer 8
-
$342 USD
£269 GBP
View
B+
Retailer 9
-
$351 USD
View
A
Retailer 10
-
$461 USD
View
B+
Retailer 11
-
$519 USD
View
B+
Retailer 12
-
$620 USD
View
Retailer 13
-
$875 USD
View
Price last confirmed 35 days ago
B+
Retailer 14
-
$907 USD
£714 GBP
View
Most Expensive
B
Brilliant Earth
14251221A · Oct 31
$1,070 USD
View
14 more retailers have this diamond
Prices start from $156 USDSave up to $914 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.

A
1.64ct Emerald
$156 USD