Emerald|Lab Grown|IGI

1.72ct E SI1 Emerald Lab Grown Diamond

ID • E/SI1

Diamond specifications and retailer prices

From $218 USD
As of October 24, 2026
Save $731 USD (77%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,045 USD 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 24
Current: $1,045 USD|Low: $180 USD|High: $1,070 USD|Avg: $679 USD|-2.3%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 28, 2026
Retailer 4$188 USD
Retailer 3$218 USD
Retailer 6$424 USD
Retailer 5$718 USD
Retailer 2$826 USD
Retailer 7$949 USD
Rare Carat$1,045 USD

12 data points across 7 retailers

14 retailers$218 USD to $949 USD

A
Retailer 1
-
$180 USD
Price last confirmed 21 days ago
A
Retailer 2
-
$188 USD
View
Price last confirmed 8 days ago
A
Retailer 3
-
$188 USD
View
Price last confirmed 10 days ago
A
Retailer 4
-
$218 USD
View
A
Retailer 5
-
$218 USD
View
Price last confirmed 9 days ago
B+
Retailer 6
-
$424 USD
View
Price last confirmed 14 days ago
B
Retailer 7
-
$718 USD
CA$997 CAD
View
B
Retailer 8
-
$826 USD
View
B
Retailer 9
-
$826 USD
View
Price last confirmed 31 days ago
B
Retailer 10
-
$826 USD
View
B
Retailer 11
-
$826 USD
View
Price last confirmed 19 days ago
B
Retailer 12
-
$826 USD
View
Price last confirmed 11 days ago
B
Retailer 13
-
$949 USD
View
Most Expensive
B
Rare Carat
403551 · Oct 18
$1,045 USD
View
Price last confirmed 11 days ago
13 more retailers have this diamond
Prices start from $218 USDSave up to $731 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
1.72ct Emerald
$218 USD