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Cushion|Lab Grown|IGI

4.20ct D FL Cushion Lab Grown Diamond

EX • D/FL • IGI LG803623561

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

Certificate IGI LG803623561

Diamond specifications and retailer prices

From $6,093 SGD
$4,766 USD
As of October 31, 2026
Save $37,539 SGD (86%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $43,632 SGD at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 4.2ct lab-grown cushion diamond

This 4.2ct lab-grown cushion sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG803623561 or 803623561. Listed at 16 retailers as of October 30, 2026, with prices from $6,093 to $43,632, a $37,539 spread on the same certified stone. Do Amore Diamonds lists it at $43,632. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.20
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG803623561
Dimensions9.40 × 9.21 × 6.25 mm
L/W Ratio1.02
Girdle conditionFaceted
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
9.40 mm9.21 mm4.20 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG803623561
Side View
Table 61.0%Crown 36°Girdle: MED-STKPavilion 39.6°Culet: NoneDepth 67.9%

Caratlytics Score

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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: Oct 31
Current: $43,632 SGD|Low: $6,093 SGD|High: $47,186 SGD|Avg: $16,815 SGD|-7.5%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 31, 2026
Retailer 16$6,093 SGD
Retailer 4$7,102 SGD
Retailer 7$7,356 SGD
Retailer 15$7,389 SGD
Retailer 9$8,094 SGD
Retailer 2$10,419 SGD
Retailer 17$10,612 SGD
Retailer 6$11,534 SGD
Retailer 13$12,792 SGD
Retailer 14$16,611 SGD
Retailer 12$17,281 SGD
Retailer 10$18,377 SGD
Retailer 18$20,247 SGD
Retailer 11$22,331 SGD
Retailer 8$25,537 SGD
Retailer 3$28,760 SGD
Retailer 5$38,149 SGD
Do Amore Diamonds$43,632 SGD

37 data points across 18 retailers

16 retailers$6,093 SGD to $43,632 SGD

A
Cheapest Retailer
-
$6,093 SGD
$4,766 USD
A
Retailer 2
-
$7,102 SGD
$5,555 USD
View
Final sale: no returns
Retailer 3
-
$7,356 SGD
$5,754 USD
View
Price last confirmed 14 days ago
A
Retailer 4
-
$7,389 SGD
$5,780 USD
View
A
Retailer 5
-
$10,419 SGD
£6,417 GBP
View
A
Retailer 6
-
$10,612 SGD
$8,301 USD
View
B+
Retailer 7
-
$11,534 SGD
£7,104 GBP
View
B+
Retailer 8
-
$12,792 SGD
€9,530 EUR
View
B+
Retailer 9
-
$16,611 SGD
£10,231 GBP
View
B+
Retailer 10
-
$17,281 SGD
ZAR 218,377 ZAR
View
B+
Retailer 11
-
$20,247 SGD
$15,837 USD
View
B+
Retailer 12
-
$22,331 SGD
$17,468 USD
View
B
Retailer 13
-
$25,537 SGD
$19,976 USD
View
B
Retailer 14
-
$28,760 SGD
$22,497 USD
View
B
Retailer 15
-
$38,149 SGD
$29,841 USD
View
Most Expensive
B
Do Amore Diamonds
27-81A9E32CB · Oct 30
$43,632 SGD
$34,130 USD
View
15 more retailers have this diamond
Prices start from $6,093 SGDSave up to $37,539 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
4.20ct Cushion
$6,093 SGD