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Cushion|Lab Grown|IGI

1.60ct G SI1 Cushion Lab Grown Diamond

ID • G/SI1 • IGI LG553223005

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG553223005

Diamond specifications and retailer prices

From $1,210 USD
As of October 29, 2026
1 retailer carries this diamond
Only listing: $1,210 USD at Brilliant Earth
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 Brilliant Earth

About this 1.6ct lab-grown cushion diamond

This 1.6ct lab-grown cushion sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG553223005 or 553223005. Listed at a single retailer as of October 29, 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

1.60
Carat
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG553223005
Dimensions7.88 × 6.14 × 4.27 mm
L/W Ratio1.28
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.88 mm6.14 mm1.60 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG553223005
Side View
Table 61.5%Crown 35.5°Girdle: THN-STKPavilion 38.9°Culet: NoneDepth 69.5%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 29
Current: $1,210 USD|Low: $504 USD|High: $1,210 USD|Avg: $889 USD
Brilliant Earth
Retailer 2
December 31, 2025
Retailer 2$504 USD
Brilliant Earth$1,210 USD

6 data points across 2 retailers

1 retailer

B
Brilliant Earth
6534991Y · Oct 29
$1,210 USD
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B
1.60ct Cushion
$1,210 USD