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Cushion|Lab Grown|IGI

4.13ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG784644581

Shape and cutting style on the report: Antique cushion cut

Certificate IGI LG784644581

Diamond specifications and retailer prices

From $4,023 USD
As of October 29, 2026
Save $8,781 USD (69%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $12,804 USD at Frank Darling · As of October 31, 2026
View at Frank Darling

About this 4.13ct lab-grown cushion diamond

This 4.13ct 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 LG784644581 or 784644581. Listed at 10 retailers as of October 29, 2026, with prices from $4,023 to $12,804, a $8,781 spread on the same certified stone. Frank Darling lists it at $12,804. 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

4.13
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle43.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784644581
Dimensions10.44 × 8.68 × 5.85 mm
L/W Ratio1.20
Girdle conditionFaceted
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
10.44 mm8.68 mm4.13 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784644581
Side View
Table 58.0%Crown 36.6°Girdle: STK-THKPavilion 43.2°Culet: LargeDepth 67.4%

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 29
Current: $12,804 USD|Low: $4,023 USD|High: $29,384 USD|Avg: $11,960 USD|-22.8%
Frank Darling
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 31, 2026
Retailer 11$4,023 USD
Retailer 10$4,216 USD
Retailer 14$6,094 USD
Retailer 9$6,189 USD
Retailer 7$6,436 USD
Retailer 8$6,930 USD
Retailer 13$8,386 USD
Retailer 4$8,837 USD
Retailer 2$8,843 USD
Retailer 5$12,137 USD
Retailer 12$12,247 USD
Frank Darling$12,804 USD
Retailer 3$29,061 USD
Retailer 6$29,384 USD

32 data points across 14 retailers

10 retailers$4,023 USD to $12,804 USD

A
Cheapest Retailer
-
$4,023 USD
A
Retailer 2
-
$4,216 USD
View
A
Retailer 3
-
$6,094 USD
View
Final sale: no returns
A
Retailer 4
-
$6,189 USD
View
A
Retailer 5
-
$6,436 USD
View
A
Retailer 6
-
$6,930 USD
View
A
Retailer 7
-
$8,386 USD
View
B+
Retailer 8
-
$8,843 USD
€8,422 EUR
View
B+
Retailer 9
-
$12,247 USD
£9,643 GBP
View
Most Expensive
B+
Frank Darling
P84C-35EL · Oct 31
$12,804 USD
View
9 more retailers have this diamond
Prices start from $4,023 USDSave up to $8,781 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
4.13ct Cushion
$4,023 USD