Radiant|Lab Grown|IGI

6.39ct G VS1 Radiant Lab Grown Diamond

EX • G/VS1 • IGI LG617447501

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

Certificate IGI LG617447501

Diamond specifications and retailer prices

From $931 USD
As of November 1, 2026
Save $6,879 USD (88%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $7,810 USD at Kay Jewelers · As of November 1, 2026
View at Kay Jewelers

About this 6.39ct lab-grown radiant diamond

This 6.39ct lab-grown radiant sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG617447501 or 617447501. Listed at 10 retailers as of November 1, 2026, with prices from $931 to $7,810, a $6,879 spread on the same certified stone. Kay Jewelers lists it at $7,810. 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

6.39
Carat
G
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.3°
Pavilion angle34.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG617447501
Dimensions13.31 × 8.97 × 6.02 mm
L/W Ratio1.48
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
13.31 mm8.97 mm6.39 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG617447501
Side View
Table 63.0%Crown 44.3°Girdle: MED-STKPavilion 34.5°Culet: NoneDepth 67.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $7,810 USD|Low: $855 USD|High: $8,450 USD|Avg: $3,683 USD
Kay Jewelers
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
November 1, 2026
Retailer 14$855 USD
Retailer 11$931 USD
Retailer 16$1,595 USD
Retailer 7$1,709 USD
Retailer 5$1,755 USD
Retailer 9$2,028 USD
Retailer 12$2,281 USD
Retailer 10$2,285 USD
Retailer 3$2,693 USD
Retailer 15$3,080 USD
Retailer 2$3,715 USD
Retailer 4$4,334 USD
Retailer 8$5,386 USD
Retailer 6$6,510 USD
Retailer 13$7,600 USD
Kay Jewelers$7,810 USD

22 data points across 16 retailers

10 retailers$931 USD to $7,810 USD

Retailer 1
-
$855 USD
Price last confirmed 10 days ago
Retailer 2
-
$931 USD
View
Price last confirmed 11 days ago
A
Retailer 3
-
$931 USD
View
B+
Retailer 4
-
$1,595 USD
View
Retailer 5
-
$2,028 USD
A$3,120 AUD
View
Price last confirmed 11 days ago
Retailer 6
-
$2,281 USD
View
Price last confirmed 10 days ago
Retailer 7
-
$3,080 USD
View
Price last confirmed 12 days ago
B+
Retailer 8
-
$3,080 USD
View
B+
Retailer 9
-
$3,715 USD
£2,925 GBP
View
Most Expensive
B
Kay Jewelers
250040386 · Nov 1
$7,810 USD
View
9 more retailers have this diamond
Prices start from $931 USDSave up to $6,879 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
6.39ct Radiant
$931 USD