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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 $5,194 USD
£4,090 GBP
As of November 1, 2026
Save $20,624 USD (80%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $25,819 USD 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 31, 2026, with prices from $5,194 to $25,819, a $20,624 spread on the same certified stone. Michael Trio lists it at $25,819. 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
Color
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: Nov 1
Current: $25,819 USD|Low: $5,193 USD|High: $25,819 USD|Avg: $12,256 USD
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
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Retailer 17
November 1, 2026
Retailer 10$5,194 USD
Retailer 5$5,744 USD
Retailer 16$6,245 USD
Retailer 13$7,181 USD
Retailer 8$7,399 USD
Retailer 11$7,997 USD
Retailer 4$8,854 USD
Retailer 17$9,008 USD
Retailer 6$9,633 USD
Retailer 7$10,095 USD
Retailer 14$11,888 USD
Retailer 12$12,214 USD
Retailer 2$12,690 USD
Retailer 15$13,273 USD
Retailer 3$22,159 USD
Retailer 9$25,335 USD
Michael Trio$25,819 USD

20 data points across 17 retailers

17 retailers$5,194 USD to $25,819 USD

A+
Cheapest Retailer
-
$5,194 USD
£4,090 GBP
A
Retailer 2
-
$5,744 USD
View
A
Retailer 3
-
$6,245 USD
View
A
Retailer 4
-
$7,181 USD
View
A
Retailer 5
-
$7,399 USD
View
Final sale: no returns
A
Retailer 6
-
$7,997 USD
£6,297 GBP
View
A
Retailer 7
-
$8,854 USD
£6,972 GBP
View
A
Retailer 8
-
$9,008 USD
View
A
Retailer 9
-
$9,633 USD
View
Retailer 10
-
$10,095 USD
View
Price last confirmed 18 days ago
B+
Retailer 11
-
$11,888 USD
View
B+
Retailer 12
-
$12,214 USD
€11,632 EUR
View
B+
Retailer 13
-
$12,690 USD
£9,992 GBP
View
B+
Retailer 14
-
$13,273 USD
ZAR 214,432 ZAR
View
B
Retailer 15
-
$22,159 USD
View
B
Retailer 16
-
$25,335 USD
View
Most Expensive
B
Michael Trio
2949315630 · Oct 31
$25,819 USD
SGD 34,890 SGD
View
16 more retailers have this diamond
Prices start from $5,194 USDSave up to $20,624 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+
4.89ct Cushion
$5,194 USD