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Cushion|Lab Grown|IGI

3.05ct D SI1 Cushion Lab Grown Diamond

ID • D/SI1 • IGI LG813655575

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG813655575

Diamond specifications and retailer prices

From $848 SGD
As of November 7, 2026
Save $5,226 SGD (86%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $6,075 SGD at Do Amore Diamonds · As of November 6, 2026
View at Do Amore Diamonds

About this 3.05ct lab-grown cushion diamond

This 3.05ct lab-grown cushion sits in the three to five carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG813655575 or 813655575. Listed at 11 retailers as of November 6, 2026, with prices from $848 to $6,075, a $5,226 spread on the same certified stone. Do Amore Diamonds lists it at $6,075. 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

3.05
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.3°
Pavilion angle32.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG813655575
Dimensions10.12 × 7.40 × 4.91 mm
L/W Ratio1.37
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.12 mm7.40 mm3.05 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG813655575
Side View
Table 62.0%Crown 30.3°Girdle: MED-THKPavilion 32.5°Culet: NoneDepth 66.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 7
Current: $6,075 SGD|Low: $848 SGD|High: $6,075 SGD|Avg: $2,212 SGD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 7, 2026
Retailer 8$848 SGD
Retailer 6$1,025 SGD
Retailer 10$1,124 SGD
Retailer 7$1,270 SGD
Retailer 5$1,446 SGD
Retailer 9$2,098 SGD
Retailer 4$3,409 SGD
Retailer 3$3,995 SGD
Retailer 2$4,046 SGD
Do Amore Diamonds$6,075 SGD

37 data points across 10 retailers

11 retailers$848 SGD to $6,075 SGD

A
Cheapest Retailer
-
$848 SGD
A
Retailer 2
-
$1,025 SGD
View
B+
Retailer 3
-
$1,124 SGD
View
A
Retailer 4
-
$1,270 SGD
View
A
Retailer 5
-
$1,446 SGD
View
B+
Retailer 6
-
$1,579 SGD
View
B+
Retailer 7
-
$2,098 SGD
View
B
Retailer 8
-
$3,409 SGD
View
B
Retailer 9
-
$3,995 SGD
View
B
Retailer 10
-
$4,046 SGD
View
Most Expensive
B
Do Amore Diamonds
27-7D1B39CDE · Nov 6
$6,075 SGD
$4,740 USD
View
10 more retailers have this diamond
Prices start from $848 SGDSave up to $5,226 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
3.05ct Cushion
$848 SGD