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Cushion|Lab Grown|IGI

6.29ct D IF Cushion Lab Grown Diamond

EX • D/IF • IGI LG828680591

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG828680591

Diamond specifications and retailer prices

From $25,174 CAD
$18,021 USD
As of October 26, 2026
Save $52,148 CAD (67%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $77,321 CAD at Wholesale Diamonds Direct · As of October 27, 2026
View at Wholesale Diamonds Direct

About this 6.29ct lab-grown cushion diamond

This 6.29ct 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 LG828680591 or 828680591. Listed at 12 retailers as of October 26, 2026, with prices from $25,174 to $77,321, a $52,148 spread on the same certified stone. Wholesale Diamonds Direct lists it at $77,321. 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

6.29
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle35.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828680591
Dimensions12.23 × 9.91 × 6.52 mm
L/W Ratio1.23
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
12.23 mm9.91 mm6.29 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828680591
Side View
Table 60.0%Crown 36.3°Girdle: MED-STKPavilion 35.5°Culet: NoneDepth 65.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 26
Current: $30,571 CAD|Low: $19,459 CAD|High: $77,321 CAD|Avg: $45,366 CAD|-3.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Wholesale Diamonds Direct
October 31, 2026
Retailer 7$19,459 CAD
Retailer 10$25,174 CAD
Retailer 1$30,571 CAD
Retailer 8$34,396 CAD
Retailer 3$36,934 CAD
Retailer 6$43,720 CAD
Retailer 5$47,360 CAD
Retailer 2$50,026 CAD
Retailer 4$53,573 CAD
Retailer 9$67,821 CAD
Wholesale Diamonds Direct$77,321 CAD

17 data points across 11 retailers

12 retailers$25,174 CAD to $77,321 CAD

Retailer 1
-
$19,459 CAD
$13,930 USD
Price last confirmed 12 days ago
B+
Retailer 2
-
$25,174 CAD
$18,021 USD
View
B+
Retailer 3
-
$30,571 CAD
£17,232 GBP
View
B+
Retailer 4
-
$34,396 CAD
$24,623 USD
View
B+
Retailer 5
-
$36,934 CAD
$26,440 USD
View
B+
Retailer 6
-
$43,720 CAD
£24,644 GBP
View
B+
Retailer 7
-
$47,360 CAD
€32,289 EUR
View
B
Retailer 8
-
$49,730 CAD
$35,600 USD
View
B
Retailer 9
-
$50,026 CAD
$35,812 USD
View
B
Retailer 10
-
$53,573 CAD
ZAR 619,575 ZAR
View
B
Retailer 11
-
$67,821 CAD
$48,551 USD
View
Most Expensive
B
Wholesale Diamonds Direct
496695798 · Oct 27
$77,321 CAD
$55,352 USD
View
11 more retailers have this diamond
Prices start from $25,174 CADSave up to $52,148 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.

B+
6.29ct Cushion
$25,174 CAD