Cushion|Lab Grown|IGI

5.28ct D FL Cushion Lab Grown Diamond

EX • D/FL • IGI LG804659884

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG804659884

Diamond specifications and retailer prices

From $10,170 USD
As of October 26, 2026
Save $41,294 USD (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $51,464 USD at With Clarity · As of October 30, 2026
View at With Clarity

About this 5.28ct lab-grown cushion diamond

This 5.28ct lab-grown cushion sits in the over five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG804659884 or 804659884. Listed at 11 retailers as of October 26, 2026, with prices from $10,170 to $51,464, a $41,294 spread on the same certified stone. With Clarity lists it at $51,464. 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

5.28
Carat
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.5°
Pavilion angle36.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804659884
Dimensions11.38 × 9.37 × 6.21 mm
L/W Ratio1.21
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
11.38 mm9.37 mm5.28 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804659884
Side View
Table 62.0%Crown 38.5°Girdle: MED-STKPavilion 36.9°Culet: NoneDepth 66.3%

Caratlytics Score

How it works →
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 26
Current: $16,620 USD|Low: $10,170 USD|High: $52,608 USD|Avg: $20,832 USD|-44.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
With Clarity
October 30, 2026
Retailer 2$10,170 USD
Retailer 5$10,355 USD
Retailer 8$10,940 USD
Retailer 10$11,142 USD
Retailer 3$11,446 USD
Retailer 6$16,008 USD
Retailer 1$16,620 USD
Retailer 7$17,670 USD
Retailer 9$26,717 USD
Retailer 4$30,608 USD
With Clarity$51,464 USD

38 data points across 11 retailers

11 retailers$10,170 USD to $51,464 USD

A
Cheapest Retailer
-
$10,170 USD
A
Retailer 2
-
$10,355 USD
HK$80,900 HKD
View
Retailer 3
-
$10,940 USD
View
Price last confirmed 11 days ago
A
Retailer 4
-
$11,142 USD
View
A
Retailer 5
-
$11,446 USD
£9,013 GBP
View
A
Retailer 6
-
$16,008 USD
€15,246 EUR
View
B+
Retailer 7
-
$16,620 USD
View
B+
Retailer 8
-
$17,670 USD
£13,913 GBP
View
B
Retailer 9
-
$26,717 USD
View
B
Retailer 10
-
$30,608 USD
View
Most Expensive
B
With Clarity
804659884 · Oct 30
$51,464 USD
View
10 more retailers have this diamond
Prices start from $10,170 USDSave up to $41,294 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
5.28ct Cushion
$10,170 USD