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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 $223 AUD
As of November 1, 2026
Save $1,306 AUD (85%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,528 AUD at Brilliant Earth · As of November 3, 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 November 1, 2026, with prices from $223 to $1,528, a $1,306 spread on the same certified stone. Brilliant Earth lists it at $1,528. 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
Colour
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

How it works →
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: Nov 1
Current: $1,528 AUD|Low: $223 AUD|High: $2,143 AUD|Avg: $738 AUD|-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 4, 2026
Retailer 11$223 AUD
Retailer 3$249 AUD
Retailer 6$257 AUD
Retailer 13$276 AUD
Retailer 7$286 AUD
Retailer 12$477 AUD
Retailer 8$481 AUD
Retailer 10$489 AUD
Retailer 5$501 AUD
Retailer 15$659 AUD
Retailer 9$741 AUD
Retailer 4$886 AUD
Retailer 2$1,150 AUD
Retailer 14$1,294 AUD
Brilliant Earth$1,528 AUD

39 data points across 15 retailers

15 retailers$223 AUD to $1,528 AUD

A
Cheapest Retailer
-
$223 AUD
B+
Retailer 2
-
$249 AUD
View
Final sale: no returns
A
Retailer 3
-
$257 AUD
View
A
Retailer 4
-
$276 AUD
View
Retailer 5
-
$286 AUD
View
Price last confirmed 12 days ago
Retailer 6
-
$477 AUD
View
Price last confirmed 8 days ago
A
Retailer 7
-
$481 AUD
View
A
Retailer 8
-
$489 AUD
View
B+
Retailer 9
-
$501 AUD
View
A
Retailer 10
-
$659 AUD
View
B+
Retailer 11
-
$741 AUD
View
B+
Retailer 12
-
$886 AUD
View
B
Retailer 13
-
$1,150 AUD
View
Retailer 14
-
$1,294 AUD
View
Price last confirmed 8 days ago
Most Expensive
B
Brilliant Earth
14251221A · Nov 3
$1,528 AUD
$1,070 USD
View
14 more retailers have this diamond
Prices start from $223 AUDSave up to $1,306 AUD

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
$223 AUD