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Round|Lab Grown|IGI

1.81ct E SI2 Round Lab Grown Diamond

ID • E/SI2 • IGI LG660459177

Certificate IGI LG660459177

Diamond specifications and retailer prices

From $1,460 USD
As of October 28, 2026
Save $870 USD (37%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $2,330 USD at Jared · As of October 28, 2026
View at Jared

About this 1.81ct lab-grown round diamond

This 1.81ct lab-grown round sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG660459177 or 660459177. Listed at 3 retailers as of October 28, 2026, with prices from $1,460 to $2,330, a $870 spread on the same certified stone. Jared lists it at $2,330. 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

1.81
Carat
E
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG660459177
Dimensions7.77 × 7.83 mm
L/W Ratio1.01
Top View
7.77 mm7.83 mm1.81 ctE / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG660459177
Side View
Table 56.0%CrownGirdle: MediumPavilionCulet: NoneDepth 61.6%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 28
Current: $2,330 USD|Low: $1,420 USD|High: $2,330 USD|Avg: $1,806 USD
Jared
Retailer 2
Retailer 3
April 27, 2026
Retailer 2$1,460 USD
Retailer 3$1,460 USD
Jared$2,330 USD

7 data points across 3 retailers

3 retailers$1,460 USD to $2,330 USD

B
Cheapest Retailer
-
$1,460 USD
B
Retailer 2
-
$1,460 USD
View
Most Expensive
B
Jared
154541433 · Oct 28
$2,330 USD
View
2 more retailers have this diamond
Prices start from $1,460 USDSave up to $870 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.

B
1.81ct Round
$1,460 USD