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Cushion|Lab Grown|IGI

1.66ct H SI1 Cushion Lab Grown Diamond

EX • H/SI1 • IGI LG395987188

Certificate IGI LG395987188

Diamond specifications and retailer prices

From $2,421 USD
As of November 2, 2026
1 retailer carries this diamond
Only listing: $2,421 USD at B2C Jewels
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at B2C Jewels

About this 1.66ct lab-grown cushion diamond

This 1.66ct lab-grown cushion sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG395987188 or 395987188. Listed at a single retailer as of November 2, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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
H
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG395987188
Dimensions7.43 × 7.08 mm
L/W Ratio1.05
Top View
7.43 mm7.08 mm1.66 ctH / SI1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG395987188
Side View
Table 66.5%CrownGirdlePavilionCulet: NoneDepth 60.6%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 2
Current: $2,421 USD|Low: $2,315 USD|High: $2,989 USD|Avg: $2,575 USD|-19.0%
September 23, 2026
B2C Jewels$2,421 USD

3 data points across 1 retailer

1 retailer

B
B2C Jewels
19097484 · Nov 2
$2,421 USD
View

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B
1.66ct Cushion
$2,421 USD