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Cushion|Lab Grown|IGI

4.89ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG840632413

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG840632413

Diamond specifications and retailer prices

From $7,417 AUD
£4,102 GBP
As of October 30, 2026
Save $29,338 AUD (80%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $36,755 AUD at Michael Trio · As of October 31, 2026
View at Michael Trio

About this 4.89ct lab-grown cushion diamond

This 4.89ct 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 LG840632413 or 840632413. Listed at 17 retailers as of October 30, 2026, with prices from $7,417 to $36,755, a $29,338 spread on the same certified stone. Michael Trio lists it at $36,755. 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

4.89
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle34.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840632413
Dimensions12.40 × 8.33 × 5.69 mm
L/W Ratio1.49
Girdle conditionFaceted
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
12.40 mm8.33 mm4.89 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840632413
Side View
Table 62.0%Crown 35.9°Girdle: STK-THKPavilion 34.6°Culet: NoneDepth 68.3%

Caratlytics Score

How it works →
A+
Exceptional
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $36,755 AUD|Low: $7,392 AUD|High: $36,755 AUD|Avg: $17,448 AUD
Michael Trio
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
November 1, 2026
Retailer 13$7,417 AUD
Retailer 5$8,177 AUD
Retailer 16$8,890 AUD
Retailer 11$10,223 AUD
Retailer 8$10,533 AUD
Retailer 2$11,385 AUD
Retailer 4$12,605 AUD
Retailer 17$12,824 AUD
Retailer 6$13,714 AUD
Retailer 7$14,371 AUD
Retailer 12$16,924 AUD
Retailer 10$17,387 AUD
Retailer 15$18,163 AUD
Retailer 14$18,896 AUD
Retailer 3$31,546 AUD
Retailer 9$36,067 AUD
Michael Trio$36,755 AUD

20 data points across 17 retailers

17 retailers$7,417 AUD to $36,755 AUD

A+
Cheapest Retailer
-
$7,417 AUD
£4,102 GBP
A
Retailer 2
-
$8,177 AUD
$5,744 USD
View
A
Retailer 3
-
$8,890 AUD
$6,245 USD
View
A
Retailer 4
-
$10,223 AUD
$7,181 USD
View
A
Retailer 5
-
$10,533 AUD
$7,399 USD
View
Final sale: no returns
A
Retailer 6
-
$11,385 AUD
£6,297 GBP
View
A
Retailer 7
-
$12,605 AUD
£6,972 GBP
View
A
Retailer 8
-
$12,824 AUD
$9,008 USD
View
A
Retailer 9
-
$13,714 AUD
$9,633 USD
View
Retailer 10
-
$14,371 AUD
$10,095 USD
View
Price last confirmed 17 days ago
B+
Retailer 11
-
$16,924 AUD
$11,888 USD
View
B+
Retailer 12
-
$17,387 AUD
€11,632 EUR
View
B+
Retailer 13
-
$18,163 AUD
£10,046 GBP
View
B+
Retailer 14
-
$18,896 AUD
ZAR 214,432 ZAR
View
B
Retailer 15
-
$31,546 AUD
$22,159 USD
View
B
Retailer 16
-
$36,067 AUD
$25,335 USD
View
Most Expensive
B
Michael Trio
2949315630 · Oct 31
$36,755 AUD
SGD 34,890 SGD
View
16 more retailers have this diamond
Prices start from $7,417 AUDSave up to $29,338 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+
4.89ct Cushion
$7,417 AUD