Radiant|Lab Grown|IGI

6.21ct D VVS2 Radiant Lab Grown Diamond

ID • D/VVS2 • IGI LG840656852

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

Certificate IGI LG840656852

Diamond specifications and retailer prices

From $2,527 CAD
$1,809 USD
As of October 30, 2026
Save $8,183 CAD (76%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $13,878 CAD at Helzberg Diamonds · As of October 13, 2026
View at Helzberg Diamonds

About this 6.21ct lab-grown radiant diamond

This 6.21ct 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 LG840656852 or 840656852. Listed at 23 retailers as of October 30, 2026, with a 324% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

6.21
Carat
D
Color
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.1°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840656852
Dimensions13.82 × 8.66 × 5.67 mm
L/W Ratio1.60
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.82 mm8.66 mm6.21 ctD / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840656852
Side View
Table 68.0%Crown 44.1°Girdle: Slightly ThickPavilion 40.2°Culet: NoneDepth 65.5%

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 30
Current: $3,043 CAD|Low: $2,527 CAD|High: $10,879 CAD|Avg: $5,547 CAD|-2.3%
Retailer 1
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
Retailer 18
Retailer 19
Retailer 20
Retailer 21
October 30, 2026
Retailer 11$2,527 CAD
Retailer 18$2,749 CAD
Retailer 7$2,830 CAD
Retailer 9$2,931 CAD
Retailer 1$3,043 CAD
Retailer 3$3,164 CAD
Retailer 20$3,469 CAD
Retailer 12$4,157 CAD
Retailer 17$4,191 CAD
Retailer 21$4,400 CAD
Retailer 2$4,930 CAD
Retailer 6$5,440 CAD
Retailer 8$5,494 CAD
Retailer 15$5,672 CAD
Retailer 5$6,067 CAD
Retailer 4$6,192 CAD
Retailer 14$8,020 CAD
Retailer 16$8,416 CAD
Retailer 13$10,273 CAD
Retailer 10$10,603 CAD
Retailer 19$10,710 CAD

20 data points across 21 retailers

23 retailers$2,527 CAD to $10,710 CAD

A
Cheapest Retailer
-
$2,527 CAD
$1,809 USD
A
Retailer 2
-
$2,749 CAD
$1,968 USD
View
A
Retailer 3
-
$2,830 CAD
$2,026 USD
View
Final sale: no returns
A
Retailer 4
-
$2,931 CAD
$2,098 USD
View
A
Retailer 5
-
$3,043 CAD
£1,715 GBP
View
A
Retailer 6
-
$3,164 CAD
$2,265 USD
View
A
Retailer 7
-
$3,469 CAD
$2,483 USD
View
A
Retailer 8
-
$4,157 CAD
£2,343 GBP
View
A
Retailer 9
-
$4,191 CAD
$3,000 USD
View
Retailer 10
-
$4,400 CAD
€3,000 EUR
View
Price last confirmed 7 days ago
A
Retailer 11
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$4,930 CAD
$3,529 USD
View
Retailer 12
-
$5,440 CAD
A$5,991 AUD
View
Price last confirmed 8 days ago
B+
Retailer 13
-
$5,494 CAD
$3,933 USD
View
B+
Retailer 14
-
$5,672 CAD
ZAR 65,593 ZAR
View
B+
Retailer 15
-
$6,067 CAD
£3,420 GBP
View
B+
Retailer 16
-
$6,192 CAD
$4,433 USD
View
B
Retailer 17
-
$8,020 CAD
$5,741 USD
View
B+
Retailer 18
-
$8,416 CAD
£4,744 GBP
View
Retailer 19
-
$8,450 CAD
A$9,306 AUD
View
Price last confirmed 21 days ago
B
Retailer 20
-
$10,273 CAD
$7,354 USD
View
B+
Retailer 21
-
$10,603 CAD
SGD 10,257 SGD
View
B
Retailer 22
-
$10,710 CAD
$7,667 USD
View
Most Expensive
Helzberg Diamonds
ZXZOKGMLMOLI · Oct 13
$13,878 CAD
$9,935 USD
View
Price last confirmed 17 days ago
22 more retailers have this diamond
Prices start from $2,527 CADSave up to $8,183 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
6.21ct Radiant
$2,527 CAD