Radiant|Lab Grown|IGI

6.59ct D VVS2 Radiant Lab Grown Diamond

ID • D/VVS2 • IGI LG797643464

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

Certificate IGI LG797643464

Diamond specifications and retailer prices

From $4,992 USD
As of October 26, 2026
Save $4,498 USD (47%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $9,490 USD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 6.59ct lab-grown radiant diamond

This 6.59ct 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 LG797643464 or 797643464. Listed at 6 retailers as of October 26, 2026, with prices from $4,992 to $9,490, a $4,498 spread on the same certified stone. Brilliant Earth lists it at $9,490. 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

6.59
Carat
D
Color
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.6°
Pavilion angle37.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG797643464
Dimensions10.87 × 10.57 × 6.72 mm
L/W Ratio1.03
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.87 mm10.57 mm6.59 ctD / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG797643464
Side View
Table 67.0%Crown 39.6°Girdle: Slightly ThickPavilion 37.5°Culet: NoneDepth 63.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 26
Current: $9,490 USD|Low: $4,992 USD|High: $17,900 USD|Avg: $7,999 USD|-47.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 30, 2026
Retailer 6$4,992 USD
Retailer 2$5,535 USD
Retailer 3$6,670 USD
Retailer 4$6,936 USD
Retailer 5$8,364 USD
Brilliant Earth$9,490 USD

15 data points across 6 retailers

6 retailers$4,992 USD to $9,490 USD

B+
Cheapest Retailer
-
$4,992 USD
Retailer 2
-
$5,535 USD
€5,271 EUR
View
Price last confirmed 7 days ago
Retailer 3
-
$6,670 USD
View
Price last confirmed 11 days ago
Retailer 4
-
$6,936 USD
A$10,670 AUD
View
Price last confirmed 21 days ago
B
Retailer 5
-
$8,364 USD
View
Most Expensive
B
Brilliant Earth
21573312A · Oct 30
$9,490 USD
View
5 more retailers have this diamond
Prices start from $4,992 USDSave up to $4,498 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.

B+
6.59ct Radiant
$4,992 USD