Radiant|Lab Grown|IGI

6.63ct D VVS2 Radiant Lab Grown Diamond

ID • D/VVS2 • IGI LG840639638

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

Certificate IGI LG840639638

Diamond specifications and retailer prices

From $2,867 USD
As of October 29, 2026
Save $15,143 USD (84%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $18,010 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 6.63ct lab-grown radiant diamond

This 6.63ct 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 LG840639638 or 840639638. Listed at 16 retailers as of October 29, 2026, with prices from $2,867 to $18,010, a $15,143 spread on the same certified stone. Brilliant Earth lists it at $18,010. 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

6.63
Carat
D
Color
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.4°
Pavilion angle34.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840639638
Dimensions13.20 × 9.07 × 6.10 mm
L/W Ratio1.46
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.20 mm9.07 mm6.63 ctD / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840639638
Side View
Table 65.0%Crown 44.4°Girdle: Slightly ThickPavilion 34.2°Culet: NoneDepth 67.3%

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 29
Current: $18,010 USD|Low: $2,867 USD|High: $18,010 USD|Avg: $6,465 USD
Brilliant Earth
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
October 30, 2026
Retailer 5$2,867 USD
Retailer 11$3,091 USD
Retailer 15$3,130 USD
Retailer 2$4,009 USD
Retailer 12$4,242 USD
Retailer 14$4,357 USD
Retailer 13$4,478 USD
Retailer 16$5,211 USD
Retailer 4$5,511 USD
Retailer 3$5,639 USD
Retailer 9$5,746 USD
Retailer 8$6,700 USD
Retailer 10$7,992 USD
Retailer 7$8,067 USD
Retailer 6$10,358 USD
Brilliant Earth$18,010 USD

26 data points across 16 retailers

16 retailers$2,867 USD to $18,010 USD

A
Cheapest Retailer
-
$2,867 USD
Final sale: no returns
A
Retailer 2
-
$3,091 USD
£2,434 GBP
View
A
Retailer 3
-
$3,130 USD
View
B+
Retailer 4
-
$4,009 USD
£3,157 GBP
View
B+
Retailer 5
-
$4,242 USD
View
B+
Retailer 6
-
$4,357 USD
View
B+
Retailer 7
-
$4,478 USD
€4,265 EUR
View
B+
Retailer 8
-
$5,211 USD
View
Retailer 9
-
$5,511 USD
A$8,478 AUD
View
Price last confirmed 7 days ago
B+
Retailer 10
-
$5,639 USD
£4,440 GBP
View
B+
Retailer 11
-
$5,746 USD
ZAR 92,822 ZAR
View
Retailer 12
-
$6,700 USD
A$10,307 AUD
View
Price last confirmed 21 days ago
B+
Retailer 13
-
$7,992 USD
£6,293 GBP
View
B
Retailer 14
-
$8,067 USD
View
B
Retailer 15
-
$10,358 USD
View
Most Expensive
B
Brilliant Earth
21675069A · Oct 29
$18,010 USD
View
15 more retailers have this diamond
Prices start from $2,867 USDSave up to $15,143 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
6.63ct Radiant
$2,867 USD