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Emerald|Lab Grown|IGI

1.66ct E SI1 Emerald Lab Grown Diamond

ID • E/SI1 • IGI LG569321546

Shape and cutting style on the report: Emerald cut

Certificate IGI LG569321546

Diamond specifications and retailer prices

From $245 AUD
$172 USD
As of October 27, 2026
Save $2,104 AUD (90%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $2,349 AUD at Do Amore Diamonds · As of October 27, 2026
View at Do Amore Diamonds

About this 1.66ct lab-grown emerald diamond

This 1.66ct lab-grown emerald sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG569321546 or 569321546. Listed at 10 retailers as of October 27, 2026, with prices from $245 to $2,349, a $2,104 spread on the same certified stone. Do Amore Diamonds lists it at $2,349. 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

1.66
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG569321546
Dimensions8.18 × 5.57 × 3.78 mm
L/W Ratio1.47
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
8.18 mm5.57 mm1.66 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG569321546
Side View
Table 62.0%Crown 34.6°Girdle: MediumPavilion 38.8°Culet: LNGDepth 67.9%

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 27
Current: $273 AUD|Low: $224 AUD|High: $1,582 AUD|Avg: $739 AUD|+22.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 27, 2026
Retailer 5$245 AUD
Retailer 1$273 AUD
Retailer 10$283 AUD
Retailer 6$303 AUD
Retailer 7$540 AUD
Retailer 3$553 AUD
Retailer 9$1,075 AUD
Retailer 8$1,282 AUD
Retailer 2$1,508 AUD
Retailer 4$1,573 AUD

26 data points across 10 retailers

10 retailers$245 AUD to $2,349 AUD

A
Cheapest Retailer
-
$245 AUD
$172 USD
A
Retailer 2
-
$283 AUD
$199 USD
View
Retailer 3
-
$303 AUD
$213 USD
View
Price last confirmed 7 days ago
Retailer 4
-
$540 AUD
$379 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
$553 AUD
€370 EUR
View
Retailer 6
-
$1,075 AUD
$755 USD
View
Price last confirmed 7 days ago
B
Retailer 7
-
$1,282 AUD
$900 USD
View
B
Retailer 8
-
$1,330 AUD
$934 USD
View
Retailer 9
-
$1,573 AUD
£870 GBP
View
Price last confirmed 11 days ago
Most Expensive
B
Do Amore Diamonds
27-8B79C4AC8 · Oct 27
$2,349 AUD
$1,650 USD
View
9 more retailers have this diamond
Prices start from $245 AUDSave up to $2,104 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
1.66ct Emerald
$245 AUD