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Cushion|Lab Grown|IGI

5.26ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG811634640

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG811634640

Diamond specifications and retailer prices

From $6,505 USD
As of October 29, 2026
Save $36,015 USD (85%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $42,520 USD at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 5.26ct lab-grown cushion diamond

This 5.26ct 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 LG811634640 or 811634640. Listed at 10 retailers as of October 29, 2026, with prices from $6,505 to $42,520, a $36,015 spread on the same certified stone. Do Amore Diamonds lists it at $42,520. 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

5.26
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle38.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811634640
Dimensions9.98 × 9.97 × 6.69 mm
L/W Ratio1.00
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
9.98 mm9.97 mm5.26 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811634640
Side View
Table 58.0%Crown 34.4°Girdle: THK-VTKPavilion 38.5°Culet: NoneDepth 67.1%

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: $42,520 USD|Low: $6,505 USD|High: $57,746 USD|Avg: $21,736 USD|-13.4%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 10$6,505 USD
Retailer 7$7,055 USD
Retailer 5$8,075 USD
Retailer 11$10,465 USD
Retailer 9$11,135 USD
Retailer 6$13,963 USD
Retailer 8$15,907 USD
Retailer 2$16,550 USD
Retailer 4$22,313 USD
Retailer 12$27,931 USD
Do Amore Diamonds$42,520 USD
Retailer 3$57,746 USD

28 data points across 12 retailers

10 retailers$6,505 USD to $42,520 USD

A
Cheapest Retailer
-
$6,505 USD
A
Retailer 2
-
$7,055 USD
View
A
Retailer 3
-
$8,075 USD
View
Retailer 4
-
$10,465 USD
View
Price last confirmed 11 days ago
A
Retailer 5
-
$11,135 USD
View
A
Retailer 6
-
$13,963 USD
€13,298 EUR
View
A
Retailer 7
-
$15,907 USD
£12,525 GBP
View
B+
Retailer 8
-
$16,550 USD
View
B
Retailer 9
-
$27,931 USD
View
Most Expensive
B
Do Amore Diamonds
27-E19D19297 · Oct 30
$42,520 USD
View
9 more retailers have this diamond
Prices start from $6,505 USDSave up to $36,015 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
5.26ct Cushion
$6,505 USD