Cushion|Lab Grown|IGI

4.57ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG846662864

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG846662864

Diamond specifications and retailer prices

From $6,190 CAD
£3,488 GBP
As of November 2, 2026
Save $30,123 CAD (83%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $36,313 CAD at With Clarity · As of November 3, 2026
View at With Clarity

About this 4.57ct lab-grown cushion diamond

This 4.57ct lab-grown cushion sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG846662864 or 846662864. Listed at 10 retailers as of November 2, 2026, with prices from $6,190 to $36,313, a $30,123 spread on the same certified stone. With Clarity lists it at $36,313. 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

4.57
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.3°
Pavilion angle36.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846662864
Dimensions10.93 × 8.99 × 6.04 mm
L/W Ratio1.22
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
10.93 mm8.99 mm4.57 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846662864
Side View
Table 58.0%Crown 37.3°Girdle: MED-THKPavilion 36.8°Culet: NoneDepth 67.2%

Caratlytics Score

How it works →
A+
Exceptional
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 2
Current: $15,947 CAD|Low: $6,190 CAD|High: $37,350 CAD|Avg: $15,914 CAD|-0.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
With Clarity
November 2, 2026
Retailer 2$6,190 CAD
Retailer 7$6,883 CAD
Retailer 5$7,484 CAD
Retailer 6$11,324 CAD
Retailer 4$11,496 CAD
Retailer 3$15,388 CAD
Retailer 1$15,947 CAD
Retailer 8$17,107 CAD
Retailer 9$18,573 CAD
With Clarity$36,313 CAD

12 data points across 10 retailers

10 retailers$6,190 CAD to $36,313 CAD

A+
Cheapest Retailer
-
$6,190 CAD
£3,488 GBP
A
Retailer 2
-
$6,883 CAD
$4,925 USD
View
A
Retailer 3
-
$7,484 CAD
$5,355 USD
View
A
Retailer 4
-
$11,324 CAD
$8,103 USD
View
A
Retailer 5
-
$11,496 CAD
$8,226 USD
View
B+
Retailer 6
-
$15,388 CAD
£8,670 GBP
View
B+
Retailer 7
-
$15,947 CAD
€10,868 EUR
View
B+
Retailer 8
-
$17,107 CAD
$12,241 USD
View
B+
Retailer 9
-
$18,573 CAD
$13,290 USD
View
Most Expensive
B
With Clarity
846662864 · Nov 3
$36,313 CAD
$25,984 USD
View
9 more retailers have this diamond
Prices start from $6,190 CADSave up to $30,123 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+
4.57ct Cushion
$6,190 CAD