Radiant|Lab Grown|IGI

6.21ct E VS2 Radiant Lab Grown Diamond

EX • E/VS2 • IGI LG838619805

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

Certificate IGI LG838619805

Diamond specifications and retailer prices

From $1,597 USD
As of October 30, 2026
Save $4,393 USD (73%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $5,990 USD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 6.21ct lab-grown radiant diamond

This 6.21ct lab-grown radiant sits in the over five carat band, graded E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG838619805 or 838619805. Listed at 8 retailers as of October 30, 2026, with prices from $1,597 to $5,990, a $4,393 spread on the same certified stone. Brilliant Earth lists it at $5,990. 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
E
Color
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.9°
Pavilion angle37.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG838619805
Dimensions13.19 × 9.06 × 6.13 mm
L/W Ratio1.46
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.19 mm9.06 mm6.21 ctE / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG838619805
Side View
Table 59.0%Crown 44.9°Girdle: MediumPavilion 37.7°Culet: NoneDepth 67.7%

Caratlytics Score

How it works →
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: $5,990 USD|Low: $1,597 USD|High: $11,310 USD|Avg: $2,779 USD|-47.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 31, 2026
Retailer 4$1,597 USD
Retailer 9$1,647 USD
Retailer 8$1,677 USD
Retailer 2$1,901 USD
Retailer 5$2,293 USD
Retailer 6$3,060 USD
Retailer 7$3,398 USD
Retailer 3$4,397 USD
Brilliant Earth$5,990 USD

13 data points across 9 retailers

8 retailers$1,597 USD to $5,990 USD

B+
Cheapest Retailer
-
$1,597 USD
A
Retailer 2
-
$1,677 USD
View
A
Retailer 3
-
$1,901 USD
€1,810 EUR
View
A
Retailer 4
-
$2,293 USD
View
B+
Retailer 5
-
$3,060 USD
View
B+
Retailer 6
-
$3,398 USD
View
B
Retailer 7
-
$4,397 USD
A$6,765 AUD
View
Most Expensive
B
Brilliant Earth
22280555A · Oct 30
$5,990 USD
View
7 more retailers have this diamond
Prices start from $1,597 USDSave up to $4,393 USD

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
$1,597 USD