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Radiant|Lab Grown|IGI

6.44ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG754508216

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG754508216

Diamond specifications and retailer prices

From $38,417 CAD
As of November 1, 2026
Save $32,231 CAD (46%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $70,648 CAD at Brilliance · As of November 3, 2026
View at Brilliance

About this 6.44ct lab-grown radiant diamond

This 6.44ct lab-grown radiant 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 LG754508216 or 754508216. Listed at 12 retailers as of November 1, 2026, with prices from $38,417 to $70,648, a $32,231 spread on the same certified stone. Brilliance lists it at $70,648. 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

6.44
Carat
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.2°
Pavilion angle33.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754508216
Dimensions13.39 × 9.30 × 6.09 mm
L/W Ratio1.44
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
13.39 mm9.30 mm6.44 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754508216
Side View
Table 62.0%Crown 40.2°Girdle: Slightly ThickPavilion 33.7°Culet: NoneDepth 65.5%

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: Nov 1
Current: $70,648 CAD|Low: $34,847 CAD|High: $210,647 CAD|Avg: $78,769 CAD|-8.5%
Brilliance
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
November 4, 2026
Retailer 9$38,417 CAD
Retailer 4$39,267 CAD
Retailer 5$43,663 CAD
Retailer 12$45,804 CAD
Retailer 14$50,070 CAD
Retailer 3$51,299 CAD
Retailer 10$54,992 CAD
Retailer 8$60,745 CAD
Retailer 7$70,482 CAD
Brilliance$70,648 CAD
Retailer 2$96,339 CAD
Retailer 6$119,039 CAD
Retailer 13$158,398 CAD
Retailer 11$210,647 CAD

28 data points across 14 retailers

12 retailers$38,417 CAD to $70,648 CAD

B+
Cheapest Retailer
-
$38,417 CAD
B+
Retailer 2
-
$45,804 CAD
View
B+
Retailer 3
-
$50,070 CAD
View
B+
Retailer 4
-
$51,299 CAD
View
B+
Retailer 5
-
$54,992 CAD
View
Retailer 6
-
$60,745 CAD
View
Price last confirmed 11 days ago
B
Retailer 7
-
$70,482 CAD
View
Most Expensive
B
Brilliance
D42112681 · Nov 3
$70,648 CAD
$50,553 USD
View
7 more retailers have this diamond
Prices start from $38,417 CADSave up to $32,231 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+
6.44ct Radiant
$38,417 CAD