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Cushion|Lab Grown|IGI

6.18ct D IF Cushion Lab Grown Diamond

EX • D/IF • IGI LG754594320

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

Certificate IGI LG754594320

Diamond specifications and retailer prices

From $10,855 CAD
$7,771 USD
As of October 30, 2026
Save $55,162 CAD (84%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $66,017 CAD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 6.18ct lab-grown cushion diamond

This 6.18ct lab-grown cushion sits in the over five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG754594320 or 754594320. Listed at 13 retailers as of October 30, 2026, with prices from $10,855 to $66,017, a $55,162 spread on the same certified stone. Do Amore Diamonds lists it at $66,017. 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

6.18
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754594320
Dimensions10.87 × 10.50 × 7.01 mm
L/W Ratio1.04
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
10.87 mm10.50 mm6.18 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754594320
Side View
Table 61.0%Crown 33.9°Girdle: STK-THKPavilion 39°Culet: NoneDepth 66.8%

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 30
Current: $66,017 CAD|Low: $9,484 CAD|High: $73,980 CAD|Avg: $32,784 CAD|-10.8%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
October 30, 2026
Retailer 13$10,855 CAD
Retailer 5$12,129 CAD
Retailer 14$12,188 CAD
Retailer 12$14,211 CAD
Retailer 17$14,828 CAD
Retailer 4$22,697 CAD
Retailer 10$23,242 CAD
Retailer 11$24,796 CAD
Retailer 2$24,879 CAD
Retailer 16$26,367 CAD
Retailer 8$27,718 CAD
Retailer 15$34,126 CAD
Retailer 3$45,824 CAD
Retailer 7$47,770 CAD
Retailer 9$59,330 CAD
Retailer 6$64,304 CAD
Do Amore Diamonds$66,017 CAD

31 data points across 17 retailers

13 retailers$10,855 CAD to $66,017 CAD

A
Cheapest Retailer
-
$10,855 CAD
$7,771 USD
A
Retailer 2
-
$12,129 CAD
$8,683 USD
View
Final sale: no returns
A
Retailer 3
-
$12,188 CAD
$8,725 USD
View
A
Retailer 4
-
$14,211 CAD
$10,173 USD
View
Retailer 5
-
$14,828 CAD
$10,615 USD
View
Price last confirmed 12 days ago
A
Retailer 6
-
$22,697 CAD
$16,248 USD
View
A
Retailer 7
-
$23,242 CAD
€15,846 EUR
View
A
Retailer 8
-
$24,796 CAD
£13,977 GBP
View
A
Retailer 9
-
$24,879 CAD
$17,810 USD
View
Retailer 10
-
$26,367 CAD
A$29,039 AUD
View
Price last confirmed 8 days ago
B+
Retailer 11
-
$34,126 CAD
$24,430 USD
View
Retailer 12
-
$45,824 CAD
A$50,468 AUD
View
Price last confirmed 22 days ago
Most Expensive
B
Do Amore Diamonds
27-DCAF6E4E6 · Oct 31
$66,017 CAD
$47,260 USD
View
12 more retailers have this diamond
Prices start from $10,855 CADSave up to $55,162 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
6.18ct Cushion
$10,855 CAD