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Cushion|Lab Grown|IGI

1.60ct F SI1 Cushion Lab Grown Diamond

ID • F/SI1 • IGI LG561254706

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG561254706

Diamond specifications and retailer prices

From $1,484 SGD
$1,160 USD
As of November 2, 2026
1 retailer carries this diamond
Only listing: $1,484 SGD 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG561254706 or 561254706. 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

1.60
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.4°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG561254706
Dimensions7.87 × 6.13 × 4.20 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
7.87 mm6.13 mm1.60 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG561254706
Side View
Table 57.0%Crown 31.4°Girdle: MED-THKPavilion 38.2°Culet: NoneDepth 68.5%

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: $1,484 SGD|Low: $477 SGD|High: $2,302 SGD|Avg: $1,082 SGD|-33.7%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 7$477 SGD
Retailer 3$606 SGD
Retailer 8$645 SGD
Retailer 5$717 SGD
Retailer 4$867 SGD
Retailer 2$1,180 SGD
Brilliant Earth$1,484 SGD
Retailer 6$2,302 SGD

2 data points across 8 retailers

1 retailer

B
Brilliant Earth
6670325B · Nov 2
$1,484 SGD
$1,160 USD
View

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
1.60ct Cushion
$1,484 SGD