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Cushion|Lab Grown|IGI

3.01ct F SI1 Cushion Lab Grown Diamond

ID • F/SI1 • IGI LG536278998

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

Certificate IGI LG536278998

Diamond specifications and retailer prices

From $568 SGD
As of November 6, 2026
Save $4,072 SGD (88%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $4,639 SGD at Brilliant Earth · As of November 6, 2026
View at Brilliant Earth

About this 3.01ct lab-grown cushion diamond

This 3.01ct lab-grown cushion sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG536278998 or 536278998. Listed at 13 retailers as of November 6, 2026, with prices from $568 to $4,639, a $4,072 spread on the same certified stone. Brilliant Earth lists it at $4,639. 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

3.01
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG536278998
Dimensions8.69 × 8.43 × 5.39 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
8.69 mm8.43 mm3.01 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG536278998
Side View
Table 63.0%Crown 32°Girdle: MED-THKPavilion 39.4°Culet: NoneDepth 63.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $4,639 SGD|Low: $568 SGD|High: $4,729 SGD|Avg: $1,722 SGD|+4.3%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 8$568 SGD
Retailer 6$629 SGD
Retailer 5$737 SGD
Retailer 2$1,046 SGD
Retailer 9$1,114 SGD
Retailer 4$1,134 SGD
Retailer 7$2,250 SGD
Retailer 3$2,544 SGD
Brilliant Earth$4,639 SGD

44 data points across 9 retailers

13 retailers$568 SGD to $4,639 SGD

A
Cheapest Retailer
-
$568 SGD
Final sale: no returns
Retailer 2
-
$629 SGD
View
Price last confirmed 12 days ago
A
Retailer 3
-
$737 SGD
View
B+
Retailer 4
-
$830 SGD
View
A
Retailer 5
-
$1,046 SGD
View
A
Retailer 6
-
$1,048 SGD
View
A
Retailer 7
-
$1,114 SGD
View
A
Retailer 8
-
$1,134 SGD
View
B+
Retailer 9
-
$1,994 SGD
View
B+
Retailer 10
-
$2,250 SGD
View
B+
Retailer 11
-
$2,544 SGD
View
B
Retailer 12
-
$4,511 SGD
View
Most Expensive
B
Brilliant Earth
16513574A · Nov 6
$4,639 SGD
$3,620 USD
View
12 more retailers have this diamond
Prices start from $568 SGDSave up to $4,072 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
3.01ct Cushion
$568 SGD