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Cushion|Lab Grown|IGI

1.01ct D SI1 Cushion Lab Grown Diamond

EX • D/SI1 • IGI LG603345567

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG603345567

Diamond specifications and retailer prices

From $313 SGD
As of November 6, 2026
Save $1,293 SGD (81%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,606 SGD at Reve Diamonds · As of November 6, 2026
View at Reve Diamonds

About this 1.01ct lab-grown cushion diamond

This 1.01ct lab-grown cushion sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG603345567 or 603345567. Listed at 10 retailers as of November 6, 2026, with prices from $313 to $1,606, a $1,293 spread on the same certified stone. Reve Diamonds lists it at $1,606. 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

1.01
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle36.4°
Pavilion angle32.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG603345567
Dimensions5.73 × 5.63 × 3.45 mm
L/W Ratio1.02
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
5.73 mm5.63 mm1.01 ctD / SI1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG603345567
Side View
Table 63.0%Crown 36.4°Girdle: STK-VTKPavilion 32.1°Culet: NoneDepth 61.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: $638 SGD|Low: $313 SGD|High: $1,606 SGD|Avg: $757 SGD|+2.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Reve Diamonds
November 6, 2026
Retailer 6$313 SGD
Retailer 4$347 SGD
Retailer 9$393 SGD
Retailer 7$442 SGD
Retailer 3$595 SGD
Retailer 1$638 SGD
Retailer 5$647 SGD
Retailer 8$1,184 SGD
Retailer 2$1,391 SGD
Reve Diamonds$1,606 SGD

42 data points across 10 retailers

10 retailers$313 SGD to $1,606 SGD

A
Cheapest Retailer
-
$313 SGD
Final sale: no returns
Retailer 2
-
$347 SGD
View
Price last confirmed 13 days ago
A
Retailer 3
-
$393 SGD
View
A
Retailer 4
-
$442 SGD
View
B+
Retailer 5
-
$595 SGD
View
B+
Retailer 6
-
$638 SGD
View
B
Retailer 7
-
$647 SGD
View
B
Retailer 8
-
$1,184 SGD
View
B
Retailer 9
-
$1,391 SGD
View
Most Expensive
B
Reve Diamonds
3BAB54655 · Nov 6
$1,606 SGD
$1,253 USD
View
9 more retailers have this diamond
Prices start from $313 SGDSave up to $1,293 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
1.01ct Cushion
$313 SGD