Radiant|Lab Grown|IGI

6.63ct D VVS2 Radiant Lab Grown Diamond

ID • D/VVS2 • IGI LG840639638

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

Certificate IGI LG840639638

Diamond specifications and retailer prices

From $4,005 CAD
$2,867 USD
As of October 29, 2026
Save $12,856 CAD (76%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $16,861 CAD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 6.63ct lab-grown radiant diamond

This 6.63ct lab-grown radiant sits in the over five carat band, graded D colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG840639638 or 840639638. Listed at 16 retailers as of October 29, 2026, with prices from $4,005 to $16,861, a $12,856 spread on the same certified stone. Brilliant Earth lists it at $16,861. 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

6.63
Carat
D
Color
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.4°
Pavilion angle34.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840639638
Dimensions13.20 × 9.07 × 6.10 mm
L/W Ratio1.46
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.20 mm9.07 mm6.63 ctD / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840639638
Side View
Table 65.0%Crown 44.4°Girdle: Slightly ThickPavilion 34.2°Culet: NoneDepth 67.3%

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: Oct 29
Current: $16,861 CAD|Low: $4,005 CAD|High: $25,158 CAD|Avg: $9,003 CAD|-33.0%
Brilliant Earth
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
October 30, 2026
Retailer 5$4,005 CAD
Retailer 2$4,306 CAD
Retailer 15$4,372 CAD
Retailer 9$5,601 CAD
Retailer 12$5,926 CAD
Retailer 14$6,086 CAD
Retailer 13$6,256 CAD
Retailer 16$7,279 CAD
Retailer 4$7,698 CAD
Retailer 3$7,877 CAD
Retailer 10$8,026 CAD
Retailer 8$9,359 CAD
Retailer 11$11,164 CAD
Retailer 7$11,269 CAD
Retailer 6$14,469 CAD
Brilliant Earth$16,861 CAD

26 data points across 16 retailers

16 retailers$4,005 CAD to $16,861 CAD

A
Cheapest Retailer
-
$4,005 CAD
$2,867 USD
Final sale: no returns
A
Retailer 2
-
$4,306 CAD
£2,427 GBP
View
A
Retailer 3
-
$4,372 CAD
$3,130 USD
View
B+
Retailer 4
-
$5,601 CAD
£3,157 GBP
View
B+
Retailer 5
-
$5,926 CAD
$4,242 USD
View
B+
Retailer 6
-
$6,086 CAD
$4,357 USD
View
Retailer 7
-
$6,256 CAD
€4,265 EUR
View
Price last confirmed 7 days ago
B+
Retailer 8
-
$7,279 CAD
$5,211 USD
View
Retailer 9
-
$7,698 CAD
A$8,478 AUD
View
Price last confirmed 8 days ago
B+
Retailer 10
-
$7,877 CAD
£4,440 GBP
View
B+
Retailer 11
-
$8,026 CAD
ZAR 92,822 ZAR
View
Retailer 12
-
$9,359 CAD
A$10,307 AUD
View
Price last confirmed 22 days ago
B
Retailer 13
-
$11,164 CAD
£6,293 GBP
View
B
Retailer 14
-
$11,269 CAD
$8,067 USD
View
B
Retailer 15
-
$14,469 CAD
$10,358 USD
View
Most Expensive
B
Brilliant Earth
21675069A · Oct 30
$16,861 CAD
$12,070 USD
View
15 more retailers have this diamond
Prices start from $4,005 CADSave up to $12,856 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
6.63ct Radiant
$4,005 CAD