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Cushion|Lab Grown|IGI

5.24ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG800677279

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG800677279

Diamond specifications and retailer prices

From $19,240 USD
As of October 30, 2026
3 retailers carry this diamond
Most expensive: $19,240 USD at Brilliant Earth
View at Brilliant Earth

About this 5.24ct lab-grown cushion diamond

This 5.24ct 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 LG800677279 or 800677279. Listed at 3 retailers as of October 30, 2026. 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

5.24
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle36.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800677279
Dimensions12.35 × 9.10 × 5.94 mm
L/W Ratio1.36
Girdle conditionFaceted
Culet sizePointed
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
12.35 mm9.10 mm5.24 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800677279
Side View
Table 59.0%Crown 34.7°Girdle: STK-THKPavilion 36.4°Culet: NoneDepth 65.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $19,240 USD|Low: $7,656 USD|High: $48,920 USD|Avg: $19,148 USD|-35.5%
Brilliant Earth
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 30, 2026
Retailer 9$7,924 USD
Retailer 10$8,328 USD
Retailer 13$8,945 USD
Retailer 11$9,261 USD
Retailer 12$10,398 USD
Retailer 6$10,503 USD
Retailer 2$11,020 USD
Retailer 7$16,441 USD
Retailer 5$18,127 USD
Retailer 8$18,329 USD
Brilliant Earth$19,240 USD
Retailer 3$31,293 USD
Retailer 4$40,319 USD
Retailer 14$48,480 USD

12 data points across 14 retailers

3 retailers

Retailer 1
-
$11,020 USD
Price last confirmed 11 days ago
Retailer 2
-
$18,329 USD
£14,432 GBP
View
Price last confirmed 29 days ago
Most Expensive
B+
Brilliant Earth
20107134B · Oct 30
$19,240 USD
View
2 more retailers have this diamond

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.

B+
5.24ct Cushion
$19,240 USD