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Cushion|Lab Grown|IGI

4.01ct H SI1 Cushion Lab Grown Diamond

ID • H/SI1 • IGI LG522235501

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG522235501

Diamond specifications and retailer prices

From $3,409 SGD
As of November 6, 2026
Save $16,861 SGD (83%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $41,867 SGD at Reve Diamonds · As of November 6, 2026
View at Reve Diamonds

About this 4.01ct lab-grown cushion diamond

This 4.01ct lab-grown cushion sits in the three to five carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG522235501 or 522235501. Listed at 8 retailers as of November 6, 2026, with a 495% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

4.01
Carat
H
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.2°
Pavilion angle31.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG522235501
Dimensions8.85 × 8.83 × 5.49 mm
L/W Ratio1.00
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
8.85 mm8.83 mm4.01 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG522235501
Side View
Table 65.5%Crown 32.2°Girdle: STK-VTKPavilion 31.5°Culet: NoneDepth 62.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $20,270 SGD|Low: $3,409 SGD|High: $41,867 SGD|Avg: $18,835 SGD|-1.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Reve Diamonds
November 6, 2026
Retailer 4$3,409 SGD
Retailer 2$12,706 SGD
Retailer 8$15,475 SGD
Retailer 7$16,212 SGD
Retailer 5$16,793 SGD
Retailer 9$16,806 SGD
Retailer 6$17,914 SGD
Retailer 10$18,028 SGD
Retailer 1$20,270 SGD
Retailer 3$25,708 SGD
Reve Diamonds$41,867 SGD

26 data points across 11 retailers

8 retailers$3,409 SGD to $20,270 SGD

B+
Cheapest Retailer
-
$3,409 SGD
B
Retailer 2
-
$15,475 SGD
View
B
Retailer 3
-
$16,212 SGD
View
Final sale: no returns
Retailer 4
-
$16,793 SGD
View
Price last confirmed 26 days ago
B
Retailer 5
-
$17,914 SGD
View
B
Retailer 6
-
$20,270 SGD
View
Retailer 7
-
$25,708 SGD
View
Price under review
Most Expensive
Reve Diamonds
0DA9C643F · Nov 6
$41,867 SGD
$32,668 USD
View
Price under review
7 more retailers have this diamond
Prices start from $3,409 SGDSave up to $16,861 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.

B+
4.01ct Cushion
$3,409 SGD