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Cushion|Lab Grown|IGI

3.03ct D SI1 Cushion Lab Grown Diamond

ID • D/SI1 • IGI LG579395083

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG579395083

Diamond specifications and retailer prices

From $710 SGD
As of November 6, 2026
Save $5,378 SGD (88%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $6,088 SGD at Brilliant Earth · As of November 6, 2026
View at Brilliant Earth

About this 3.03ct lab-grown cushion diamond

This 3.03ct 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 LG579395083 or 579395083. Listed at 13 retailers as of November 6, 2026, with prices from $710 to $6,088, a $5,378 spread on the same certified stone. Brilliant Earth lists it at $6,088. 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

3.03
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.2°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG579395083
Dimensions8.36 × 8.31 × 5.51 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
8.36 mm8.31 mm3.03 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG579395083
Side View
Table 64.0%Crown 41.2°Girdle: MED-STKPavilion 38.2°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: $6,088 SGD|Low: $710 SGD|High: $6,280 SGD|Avg: $1,917 SGD|-3.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 7, 2026
Retailer 5$710 SGD
Retailer 13$786 SGD
Retailer 9$961 SGD
Retailer 11$1,053 SGD
Retailer 3$1,162 SGD
Retailer 8$1,173 SGD
Retailer 7$1,293 SGD
Retailer 12$1,772 SGD
Retailer 4$1,985 SGD
Retailer 10$2,525 SGD
Retailer 6$2,957 SGD
Retailer 2$3,263 SGD
Brilliant Earth$6,088 SGD

43 data points across 13 retailers

13 retailers$710 SGD to $6,088 SGD

A
Cheapest Retailer
-
$710 SGD
Final sale: no returns
A
Retailer 2
-
$786 SGD
View
A
Retailer 3
-
$961 SGD
View
B+
Retailer 4
-
$1,053 SGD
View
A
Retailer 5
-
$1,162 SGD
View
A
Retailer 6
-
$1,173 SGD
View
A
Retailer 7
-
$1,293 SGD
View
B+
Retailer 8
-
$1,772 SGD
View
B+
Retailer 9
-
$1,985 SGD
View
B
Retailer 10
-
$2,525 SGD
View
B
Retailer 11
-
$2,957 SGD
View
B
Retailer 12
-
$3,263 SGD
View
Most Expensive
B
Brilliant Earth
16211350A · Nov 6
$6,088 SGD
$4,750 USD
View
12 more retailers have this diamond
Prices start from $710 SGDSave up to $5,378 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
3.03ct Cushion
$710 SGD