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Cushion|Lab Grown|IGI

3.17ct F SI1 Cushion Lab Grown Diamond

VG • F/SI1 • IGI LG557245545

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

Certificate IGI LG557245545

Diamond specifications and retailer prices

From $1,207 SGD
As of November 6, 2026
Save $2,017 SGD (63%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $3,224 SGD at MOH London · As of November 5, 2026
View at MOH London

About this 3.17ct lab-grown cushion diamond

This 3.17ct lab-grown cushion sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG557245545 or 557245545. Listed at 4 retailers as of November 5, 2026, with prices from $1,207 to $3,224, a $2,017 spread on the same certified stone. MOH London lists it at $3,224. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

3.17
Carat
F
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle35.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG557245545
Dimensions8.49 × 8.10 × 5.37 mm
L/W Ratio1.05
Girdle conditionFaceted
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
8.49 mm8.10 mm3.17 ctF / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG557245545
Side View
Table 60.5%Crown 35.1°Girdle: STK-THKPavilion 35.9°Culet: NoneDepth 66.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: $3,224 SGD|Low: $1,175 SGD|High: $3,272 SGD|Avg: $1,798 SGD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
November 6, 2026
Retailer 3$1,207 SGD
Retailer 2$1,274 SGD
Retailer 4$1,456 SGD
MOH London$3,224 SGD

42 data points across 4 retailers

4 retailers$1,207 SGD to $3,224 SGD

B+
Cheapest Retailer
-
$1,207 SGD
A
Retailer 2
-
$1,274 SGD
View
B+
Retailer 3
-
$1,456 SGD
View
Most Expensive
B
MOH London
LG557245545 · Nov 5
$3,224 SGD
£1,981 GBP
View
3 more retailers have this diamond
Prices start from $1,207 SGDSave up to $2,017 SGD

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.

A
3.17ct Cushion
$1,207 SGD