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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 $5,727 AUD
$4,023 USD
As of October 29, 2026
Save $12,501 AUD (69%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $18,228 AUD 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 $5,727 to $18,228, a $12,501 spread on the same certified stone. Frank Darling lists it at $18,228. 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
Colour
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: $18,228 AUD|Low: $5,727 AUD|High: $41,832 AUD|Avg: $17,026 AUD|-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$5,727 AUD
Retailer 10$6,002 AUD
Retailer 14$8,675 AUD
Retailer 9$8,811 AUD
Retailer 7$9,162 AUD
Retailer 8$9,866 AUD
Retailer 13$11,938 AUD
Retailer 4$12,580 AUD
Retailer 2$12,589 AUD
Retailer 5$17,278 AUD
Retailer 12$17,434 AUD
Frank Darling$18,228 AUD
Retailer 3$41,371 AUD
Retailer 6$41,832 AUD

32 data points across 14 retailers

10 retailers$5,727 AUD to $18,228 AUD

A
Cheapest Retailer
-
$5,727 AUD
$4,023 USD
A
Retailer 2
-
$6,002 AUD
$4,216 USD
View
A
Retailer 3
-
$8,675 AUD
$6,094 USD
View
Final sale: no returns
A
Retailer 4
-
$8,811 AUD
$6,189 USD
View
A
Retailer 5
-
$9,162 AUD
$6,436 USD
View
A
Retailer 6
-
$9,866 AUD
$6,930 USD
View
A
Retailer 7
-
$11,938 AUD
$8,386 USD
View
B+
Retailer 8
-
$12,589 AUD
€8,422 EUR
View
B+
Retailer 9
-
$17,434 AUD
£9,643 GBP
View
Most Expensive
B+
Frank Darling
P84C-35EL · Oct 31
$18,228 AUD
$12,804 USD
View
9 more retailers have this diamond
Prices start from $5,727 AUDSave up to $12,501 AUD

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
$5,727 AUD