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Cushion|Lab Grown|IGI

4.10ct D IF Cushion Lab Grown Diamond

EX • D/IF • IGI LG720556118

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG720556118

Diamond specifications and retailer prices

From $3,943 SGD
$3,084 USD
As of October 29, 2026
Save $21,088 SGD (84%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $25,031 SGD at Brilliant Earth · As of October 24, 2026
View at Brilliant Earth

About this 4.1ct lab-grown cushion diamond

This 4.1ct lab-grown cushion sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG720556118 or 720556118. Listed at 21 retailers as of October 24, 2026, with prices from $3,943 to $25,031, a $21,088 spread on the same certified stone. Brilliant Earth lists it at $25,031. 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

4.10
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.9°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG720556118
Dimensions10.53 × 8.80 × 5.68 mm
L/W Ratio1.20
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
10.53 mm8.80 mm4.10 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG720556118
Side View
Table 60.0%Crown 36.9°Girdle: MED-STKPavilion 35.6°Culet: NoneDepth 64.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: $14,766 SGD|Low: $3,943 SGD|High: $25,798 SGD|Avg: $10,388 SGD|-41.0%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
October 30, 2026
Retailer 3$3,943 SGD
Retailer 16$4,147 SGD
Retailer 15$4,289 SGD
Retailer 18$5,268 SGD
Retailer 19$5,318 SGD
Retailer 11$5,340 SGD
Retailer 2$6,098 SGD
Retailer 6$7,004 SGD
Retailer 8$7,774 SGD
Retailer 13$8,415 SGD
Retailer 12$9,596 SGD
Retailer 7$9,676 SGD
Retailer 9$10,893 SGD
Retailer 4$11,249 SGD
Retailer 14$11,490 SGD
Brilliant Earth$14,766 SGD
Retailer 5$15,399 SGD
Retailer 10$15,702 SGD
Retailer 17$24,226 SGD

36 data points across 19 retailers

21 retailers$3,943 SGD to $25,031 SGD

A
Cheapest Retailer
-
$3,943 SGD
$3,084 USD
Final sale: no returns
A
Retailer 2
-
$4,147 SGD
$3,244 USD
View
A
Retailer 3
-
$4,289 SGD
$3,355 USD
View
A
Retailer 4
-
$5,268 SGD
$4,121 USD
View
A
Retailer 5
-
$5,318 SGD
HK$32,500 HKD
View
Retailer 6
-
$5,340 SGD
$4,177 USD
View
Price last confirmed 18 days ago
A
Retailer 7
-
$6,098 SGD
£3,756 GBP
View
Retailer 8
-
$7,004 SGD
$5,479 USD
View
Price last confirmed 7 days ago
A
Retailer 9
-
$7,774 SGD
£4,788 GBP
View
A
Retailer 10
-
$8,415 SGD
€6,269 EUR
View
A
Retailer 11
-
$9,596 SGD
ZAR 121,270 ZAR
View
Retailer 12
-
$9,676 SGD
A$11,644 AUD
View
Price last confirmed 8 days ago
A
Retailer 13
-
$10,893 SGD
$8,521 USD
View
B+
Retailer 14
-
$11,249 SGD
$8,799 USD
View
B+
Retailer 15
-
$11,490 SGD
£7,077 GBP
View
Retailer 16
-
$11,771 SGD
£7,250 GBP
View
Price last confirmed 21 days ago
B+
Retailer 17
-
$14,766 SGD
$11,550 USD
View
B+
Retailer 18
-
$15,399 SGD
View
B+
Retailer 19
-
$15,702 SGD
$12,283 USD
View
B
Retailer 20
-
$24,226 SGD
$18,950 USD
View
Most Expensive
B
Brilliant Earth
14890425A · Oct 24
$25,031 SGD
$19,580 USD
View
20 more retailers have this diamond
Prices start from $3,943 SGDSave up to $21,088 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
4.10ct Cushion
$3,943 SGD