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Cushion|Lab Grown|IGI

5.17ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG784644159

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

Certificate IGI LG784644159

Diamond specifications and retailer prices

From $6,399 USD
As of October 29, 2026
Save $35,421 USD (85%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $41,820 USD at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 5.17ct lab-grown cushion diamond

This 5.17ct 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 LG784644159 or 784644159. Listed at 12 retailers as of October 29, 2026, with prices from $6,399 to $41,820, a $35,421 spread on the same certified stone. Do Amore Diamonds lists it at $41,820. 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

5.17
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.9°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784644159
Dimensions9.99 × 9.87 × 6.72 mm
L/W Ratio1.01
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
9.99 mm9.87 mm5.17 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784644159
Side View
Table 60.0%Crown 36.9°Girdle: THK-VTKPavilion 39.1°Culet: NoneDepth 68.1%

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 29
Current: $41,820 USD|Low: $6,399 USD|High: $49,103 USD|Avg: $19,865 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
Retailer 13
October 30, 2026
Retailer 12$6,399 USD
Retailer 8$6,935 USD
Retailer 6$7,828 USD
Retailer 13$9,140 USD
Retailer 11$10,953 USD
Retailer 3$12,349 USD
Retailer 7$13,725 USD
Retailer 9$15,643 USD
Retailer 2$16,270 USD
Retailer 10$19,565 USD
Retailer 5$27,453 USD
Do Amore Diamonds$41,820 USD
Retailer 4$49,103 USD

30 data points across 13 retailers

12 retailers$6,399 USD to $41,820 USD

A
Cheapest Retailer
-
$6,399 USD
A
Retailer 2
-
$6,935 USD
View
A
Retailer 3
-
$7,828 USD
View
A
Retailer 4
-
$9,140 USD
View
Final sale: no returns
A
Retailer 5
-
$10,953 USD
View
Retailer 6
-
$12,349 USD
View
Price last confirmed 81 days ago
A
Retailer 7
-
$13,725 USD
€13,071 EUR
View
A
Retailer 8
-
$15,643 USD
£12,317 GBP
View
B+
Retailer 9
-
$16,270 USD
View
B+
Retailer 10
-
$19,565 USD
View
B
Retailer 11
-
$27,453 USD
View
Most Expensive
B
Do Amore Diamonds
27-3B0A4184E · Oct 30
$41,820 USD
View
11 more retailers have this diamond
Prices start from $6,399 USDSave up to $35,421 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
5.17ct Cushion
$6,399 USD