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Cushion|Lab Grown|IGI

4.18ct D FL Cushion Lab Grown Diamond

EX • D/FL • IGI LG784649771

Shape and cutting style on the report: Rectangular cushion mixed cut

Certificate IGI LG784649771

Diamond specifications and retailer prices

From $5,493 USD
As of October 30, 2026
Save $33,687 USD (86%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $39,180 USD at Do Amore Diamonds · As of October 29, 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 LG784649771 or 784649771. Listed at 14 retailers as of October 29, 2026, with prices from $5,493 to $39,180, a $33,687 spread on the same certified stone. Do Amore Diamonds lists it at $39,180. 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
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.3°
Pavilion angle44°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784649771
Dimensions11.30 × 7.71 × 4.89 mm
L/W Ratio1.47
Girdle conditionPARTLY FACETED
Culet sizeLarge
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
11.30 mm7.71 mm4.18 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784649771
Side View
Table 66.0%Crown 43.3°Girdle: MED-STKPavilion 44°Culet: LargeDepth 63.4%

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: $39,180 USD|Low: $4,662 USD|High: $41,630 USD|Avg: $14,356 USD
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
October 30, 2026
Retailer 14$5,493 USD
Retailer 4$6,383 USD
Retailer 8$6,776 USD
Retailer 10$7,010 USD
Retailer 13$7,019 USD
Retailer 2$9,737 USD
Retailer 5$11,064 USD
Retailer 12$11,440 USD
Retailer 9$15,573 USD
Retailer 7$16,491 USD
Retailer 11$17,382 USD
Retailer 3$19,319 USD
Retailer 6$26,606 USD
Do Amore Diamonds$39,180 USD

35 data points across 14 retailers

14 retailers$5,493 USD to $39,180 USD

A
Cheapest Retailer
-
$5,493 USD
A
Retailer 2
-
$6,383 USD
View
A
Retailer 3
-
$6,776 USD
View
Final sale: no returns
A
Retailer 4
-
$7,010 USD
View
Retailer 5
-
$7,019 USD
View
Price last confirmed 14 days ago
B+
Retailer 6
-
$9,737 USD
£7,667 GBP
View
B+
Retailer 7
-
$11,064 USD
£8,712 GBP
View
B+
Retailer 8
-
$11,440 USD
View
B+
Retailer 9
-
$15,573 USD
£12,262 GBP
View
B+
Retailer 10
-
$16,491 USD
ZAR 266,416 ZAR
View
B
Retailer 11
-
$17,382 USD
View
B
Retailer 12
-
$19,319 USD
View
B
Retailer 13
-
$26,606 USD
View
Most Expensive
B
Do Amore Diamonds
20-E75750 · Oct 29
$39,180 USD
View
13 more retailers have this diamond
Prices start from $5,493 USDSave up to $33,687 USD

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
$5,493 USD