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Cushion|Lab Grown|IGI

5.51ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG804659325

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG804659325

Diamond specifications and retailer prices

From $11,156 CAD
$7,986 USD
As of November 1, 2026
Save $32,785 CAD (75%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $43,940 CAD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 5.51ct lab-grown cushion diamond

This 5.51ct 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 LG804659325 or 804659325. Listed at 12 retailers as of October 31, 2026, with prices from $11,156 to $43,940, a $32,785 spread on the same certified stone. Taylor and Hart lists it at $43,940. 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

5.51
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.8°
Pavilion angle36.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804659325
Dimensions11.71 × 9.68 × 6.22 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
11.71 mm9.68 mm5.51 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804659325
Side View
Table 61.0%Crown 37.8°Girdle: MED-STKPavilion 36.5°Culet: NoneDepth 64.3%

Caratlytics Score

How it works →
A
Excellent
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: $16,684 CAD|Low: $11,156 CAD|High: $46,566 CAD|Avg: $25,399 CAD|-17.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Taylor and Hart
November 1, 2026
Retailer 7$11,156 CAD
Retailer 2$14,803 CAD
Retailer 11$14,989 CAD
Retailer 9$15,163 CAD
Retailer 1$16,684 CAD
Retailer 6$21,631 CAD
Retailer 4$23,172 CAD
Retailer 8$24,222 CAD
Retailer 10$25,834 CAD
Retailer 5$34,446 CAD
Retailer 3$38,946 CAD
Taylor and Hart$43,940 CAD

39 data points across 12 retailers

12 retailers$11,156 CAD to $43,940 CAD

A
Cheapest Retailer
-
$11,156 CAD
$7,986 USD
A
Retailer 2
-
$14,803 CAD
$10,597 USD
View
Retailer 3
-
$14,989 CAD
$10,730 USD
View
Price last confirmed 13 days ago
A
Retailer 4
-
$15,163 CAD
HK$84,800 HKD
View
A
Retailer 5
-
$16,684 CAD
£9,404 GBP
View
A
Retailer 6
-
$21,631 CAD
$15,485 USD
View
A
Retailer 7
-
$23,172 CAD
€15,798 EUR
View
B+
Retailer 8
-
$24,222 CAD
$17,340 USD
View
B+
Retailer 9
-
$25,834 CAD
£14,562 GBP
View
B+
Retailer 10
-
$34,446 CAD
$24,659 USD
View
B
Retailer 11
-
$38,946 CAD
$27,881 USD
View
Most Expensive
B
Taylor and Hart
YXBMR75 · Oct 31
$43,940 CAD
$31,456 USD
View
11 more retailers have this diamond
Prices start from $11,156 CADSave up to $32,785 CAD

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
5.51ct Cushion
$11,156 CAD