Emerald|Lab Grown|IGI

1.72ct E SI1 Emerald Lab Grown Diamond

ID • E/SI1

Diamond specifications and retailer prices

From $310 AUD
$218 USD
As of October 24, 2026
Save $1,041 AUD (77%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,487 AUD at Rare Carat · As of October 18, 2026
View at Rare Carat

About this 1.72ct lab-grown emerald diamond

This 1.72ct 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. Listed at 14 retailers as of October 24, 2026, with a 335% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.72
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions7.69 × 5.62 × 3.95 mm
L/W Ratio1.37
Top View
7.69 mm5.62 mm1.72 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 65.0%CrownGirdle: Slightly ThickPavilionCulet: LNGDepth 70.3%

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 24
Current: $1,487 AUD|Low: $256 AUD|High: $1,523 AUD|Avg: $966 AUD|-2.3%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 28, 2026
Retailer 4$268 AUD
Retailer 3$310 AUD
Retailer 6$604 AUD
Retailer 5$1,022 AUD
Retailer 2$1,176 AUD
Retailer 7$1,351 AUD
Rare Carat$1,487 AUD

12 data points across 7 retailers

14 retailers$310 AUD to $1,351 AUD

A
Retailer 1
-
$256 AUD
$180 USD
Price last confirmed 21 days ago
A
Retailer 2
-
$268 AUD
$188 USD
View
Price last confirmed 8 days ago
A
Retailer 3
-
$268 AUD
$188 USD
View
Price last confirmed 10 days ago
A
Retailer 4
-
$310 AUD
$218 USD
View
A
Retailer 5
-
$310 AUD
$218 USD
View
Price last confirmed 9 days ago
B+
Retailer 6
-
$604 AUD
$424 USD
View
Price last confirmed 14 days ago
B
Retailer 7
-
$1,022 AUD
CA$997 CAD
View
B
Retailer 8
-
$1,176 AUD
$826 USD
View
B
Retailer 9
-
$1,176 AUD
$826 USD
View
Price last confirmed 31 days ago
B
Retailer 10
-
$1,176 AUD
$826 USD
View
B
Retailer 11
-
$1,176 AUD
$826 USD
View
Price last confirmed 19 days ago
B
Retailer 12
-
$1,176 AUD
$826 USD
View
Price last confirmed 11 days ago
B
Retailer 13
-
$1,351 AUD
$949 USD
View
Most Expensive
B
Rare Carat
403551 · Oct 18
$1,487 AUD
$1,045 USD
View
Price last confirmed 11 days ago
13 more retailers have this diamond
Prices start from $310 AUDSave up to $1,041 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
1.72ct Emerald
$310 AUD