CaratHunter
Plans
Emerald|Lab Grown|IGI

1.73ct E SI1 Emerald Lab Grown Diamond

ID • E/SI1 • IGI LG701503478

Shape and cutting style on the report: Emerald cut

Certificate IGI LG701503478

Diamond specifications and retailer prices

From $336 AUD
$236 USD
As of October 27, 2026
Save $2,212 AUD (87%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,548 AUD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.73ct lab-grown emerald diamond

This 1.73ct 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 LG701503478 or 701503478. Listed at 15 retailers as of October 27, 2026, with prices from $336 to $2,548, a $2,212 spread on the same certified stone. Brilliant Earth lists it at $2,548. 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

1.73
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle28.8°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG701503478
Dimensions8.35 × 5.70 × 3.80 mm
L/W Ratio1.46
Culet sizeLarge
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
8.35 mm5.70 mm1.73 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG701503478
Side View
Table 60.0%Crown 28.8°Girdle: MediumPavilion 41°Culet: LargeDepth 66.7%

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: $2,548 AUD|Low: $323 AUD|High: $2,633 AUD|Avg: $924 AUD|-3.2%
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
Retailer 16
October 29, 2026
Retailer 14$336 AUD
Retailer 8$342 AUD
Retailer 5$377 AUD
Retailer 4$390 AUD
Retailer 3$417 AUD
Retailer 15$417 AUD
Retailer 13$562 AUD
Retailer 9$755 AUD
Retailer 6$787 AUD
Retailer 2$789 AUD
Retailer 12$1,063 AUD
Retailer 16$1,341 AUD
Retailer 7$1,416 AUD
Retailer 11$1,573 AUD
Retailer 10$1,674 AUD
Brilliant Earth$2,548 AUD

42 data points across 16 retailers

15 retailers$336 AUD to $2,548 AUD

A
Cheapest Retailer
-
$336 AUD
$236 USD
A
Retailer 2
-
$377 AUD
$265 USD
View
Final sale: no returns
A
Retailer 3
-
$390 AUD
$274 USD
View
A
Retailer 4
-
$417 AUD
$293 USD
View
A
Retailer 5
-
$417 AUD
$293 USD
View
B+
Retailer 6
-
$562 AUD
$395 USD
View
B+
Retailer 7
-
$755 AUD
€505 EUR
View
B+
Retailer 8
-
$787 AUD
$553 USD
View
A
Retailer 9
-
$789 AUD
£436 GBP
View
B
Retailer 10
-
$1,063 AUD
$747 USD
View
B
Retailer 11
-
$1,341 AUD
$942 USD
View
B
Retailer 12
-
$1,416 AUD
$995 USD
View
B
Retailer 13
-
$1,573 AUD
$1,105 USD
View
Price last confirmed 11 days ago
B
Retailer 14
-
$1,674 AUD
£926 GBP
View
Most Expensive
B
Brilliant Earth
21312106A · Oct 29
$2,548 AUD
$1,790 USD
View
14 more retailers have this diamond
Prices start from $336 AUDSave up to $2,212 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
1.73ct Emerald
$336 AUD