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Cushion|Lab Grown|IGI

4.18ct D FL Cushion Lab Grown Diamond

EX • D/FL • IGI LG800677548

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG800677548

Diamond specifications and retailer prices

From $5,174 SGD
$4,047 USD
As of October 30, 2026
Save $27,106 SGD (84%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $32,280 SGD at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 4.18ct lab-grown cushion diamond

This 4.18ct 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 LG800677548 or 800677548. Listed at 10 retailers as of October 30, 2026, with prices from $5,174 to $32,280, a $27,106 spread on the same certified stone. Do Amore Diamonds lists it at $32,280. 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

4.18
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle33.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800677548
Dimensions10.65 × 8.88 × 5.55 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
10.65 mm8.88 mm4.18 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800677548
Side View
Table 60.0%Crown 35.8°Girdle: STK-THKPavilion 33.1°Culet: NoneDepth 62.5%

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 30
Current: $32,280 SGD|Low: $5,174 SGD|High: $41,343 SGD|Avg: $13,839 SGD|-21.9%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 2$5,174 SGD
Retailer 7$5,638 SGD
Retailer 5$5,865 SGD
Retailer 11$7,144 SGD
Retailer 8$8,494 SGD
Retailer 6$10,368 SGD
Retailer 9$10,438 SGD
Retailer 10$13,571 SGD
Retailer 3$13,643 SGD
Retailer 4$16,555 SGD
Do Amore Diamonds$32,280 SGD

28 data points across 11 retailers

10 retailers$5,174 SGD to $32,280 SGD

A
Cheapest Retailer
-
$5,174 SGD
$4,047 USD
A
Retailer 2
-
$5,638 SGD
$4,410 USD
View
A
Retailer 3
-
$5,865 SGD
$4,588 USD
View
A
Retailer 4
-
$7,144 SGD
$5,588 USD
View
Final sale: no returns
A
Retailer 5
-
$8,494 SGD
$6,644 USD
View
A
Retailer 6
-
$10,368 SGD
€7,724 EUR
View
Retailer 7
-
$10,438 SGD
$8,165 USD
View
Price last confirmed 12 days ago
Retailer 8
-
$13,571 SGD
£8,359 GBP
View
Price last confirmed 10 days ago
B+
Retailer 9
-
$16,555 SGD
$12,950 USD
View
Most Expensive
B
Do Amore Diamonds
27-43D53E387 · Oct 30
$32,280 SGD
$25,250 USD
View
9 more retailers have this diamond
Prices start from $5,174 SGDSave up to $27,106 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
4.18ct Cushion
$5,174 SGD