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Radiant|Lab Grown|IGI

6.40ct E VS1 Radiant Lab Grown Diamond

ID • E/VS1 • IGI LG839621746

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

Certificate IGI LG839621746

Diamond specifications and retailer prices

From $1,146 USD
As of October 30, 2026
Save $9,024 USD (89%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $10,170 USD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 6.4ct lab-grown radiant diamond

This 6.4ct lab-grown radiant sits in the over five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG839621746 or 839621746. Listed at 12 retailers as of October 29, 2026, with prices from $1,146 to $10,170, a $9,024 spread on the same certified stone. Do Amore Diamonds lists it at $10,170. 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

6.40
Carat
E
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.9°
Pavilion angle35.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839621746
Dimensions12.85 × 9.19 × 6.16 mm
L/W Ratio1.40
Culet sizeNone
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.85 mm9.19 mm6.40 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839621746
Side View
Table 66.0%Crown 44.9°Girdle: MediumPavilion 35.8°Culet: NoneDepth 67.0%

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: $10,170 USD|Low: $1,146 USD|High: $14,660 USD|Avg: $4,594 USD|-5.7%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 10$1,146 USD
Retailer 5$1,549 USD
Retailer 12$2,111 USD
Retailer 7$2,115 USD
Retailer 9$2,618 USD
Retailer 8$2,716 USD
Retailer 11$2,749 USD
Retailer 3$3,756 USD
Retailer 4$4,480 USD
Retailer 6$4,737 USD
Retailer 2$7,770 USD
Do Amore Diamonds$10,170 USD

24 data points across 12 retailers

12 retailers$1,146 USD to $10,170 USD

A
Cheapest Retailer
-
$1,146 USD
A
Retailer 2
-
$1,549 USD
£1,220 GBP
View
A
Retailer 3
-
$2,111 USD
View
B+
Retailer 4
-
$2,115 USD
View
A
Retailer 5
-
$2,618 USD
View
Retailer 6
-
$2,716 USD
A$4,178 AUD
View
Price last confirmed 9 days ago
B+
Retailer 7
-
$2,749 USD
View
B+
Retailer 8
-
$3,756 USD
View
B
Retailer 9
-
$4,480 USD
View
B+
Retailer 10
-
$4,737 USD
£3,730 GBP
View
Retailer 11
-
$7,770 USD
View
Price under review
Most Expensive
B
Do Amore Diamonds
27-34299B087 · Oct 29
$10,170 USD
View
11 more retailers have this diamond
Prices start from $1,146 USDSave up to $9,024 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
6.40ct Radiant
$1,146 USD