Cushion|Lab Grown|IGI

1.60ct G SI1 Cushion Lab Grown Diamond

ID • G/SI1 • IGI LG510183812

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG510183812

Diamond specifications and retailer prices

From $611 USD
As of October 29, 2026
1 retailer carries this diamond
Only listing: $611 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 1.6ct 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 LG510183812 or 510183812. 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 angle41.5°
Pavilion angle32.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG510183812
Dimensions6.49 × 6.31 × 4.25 mm
L/W Ratio1.03
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
6.49 mm6.31 mm1.60 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG510183812
Side View
Table 63.0%Crown 41.5°Girdle: MED-VTKPavilion 32.2°Culet: NoneDepth 67.4%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 29
Current: $611 USD|Low: $152 USD|High: $2,240 USD|Avg: $942 USD|-13.1%
B2C Jewels
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
September 23, 2026
Retailer 2$187 USD
Retailer 5$354 USD
Retailer 3$418 USD
B2C Jewels$611 USD
Retailer 6$612 USD
Retailer 8$792 USD
Retailer 4$1,080 USD
Retailer 7$2,240 USD

81 data points across 8 retailers

1 retailer

B+
B2C Jewels
20042601 · Oct 29
$611 USD
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B+
1.60ct Cushion
$611 USD