Radiant|Lab Grown|IGI

6.65ct D VVS2 Radiant Lab Grown Diamond

ID • D/VVS2 • IGI LG845660530

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

Certificate IGI LG845660530

Diamond specifications and retailer prices

From $3,415 USD
As of October 29, 2026
Save $14,655 USD (81%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $18,070 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 6.65ct lab-grown radiant diamond

This 6.65ct 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 LG845660530 or 845660530. Listed at 19 retailers as of October 29, 2026, with prices from $3,415 to $18,070, a $14,655 spread on the same certified stone. Brilliant Earth lists it at $18,070. 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

6.65
Carat
D
Color
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.6°
Pavilion angle30.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG845660530
Dimensions12.38 × 9.21 × 6.23 mm
L/W Ratio1.34
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.38 mm9.21 mm6.65 ctD / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG845660530
Side View
Table 65.0%Crown 39.6°Girdle: Slightly ThickPavilion 30.8°Culet: NoneDepth 67.6%

Caratlytics Score

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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: $18,070 USD|Low: $3,415 USD|High: $18,070 USD|Avg: $7,201 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
Retailer 17
Retailer 18
Retailer 19
October 30, 2026
Retailer 4$3,415 USD
Retailer 2$3,672 USD
Retailer 5$3,695 USD
Retailer 11$4,109 USD
Retailer 12$4,686 USD
Retailer 3$4,978 USD
Retailer 15$5,055 USD
Retailer 19$5,398 USD
Retailer 16$5,604 USD
Retailer 7$6,096 USD
Retailer 18$6,564 USD
Retailer 6$6,565 USD
Retailer 13$6,842 USD
Retailer 17$8,468 USD
Retailer 14$9,012 USD
Retailer 8$9,807 USD
Retailer 9$11,877 USD
Retailer 10$12,317 USD
Brilliant Earth$18,070 USD

16 data points across 19 retailers

19 retailers$3,415 USD to $18,070 USD

A
Cheapest Retailer
-
$3,415 USD
Final sale: no returns
A
Retailer 2
-
$3,672 USD
£2,891 GBP
View
A
Retailer 3
-
$3,695 USD
View
B+
Retailer 4
-
$4,109 USD
HK$32,100 HKD
View
B+
Retailer 5
-
$4,686 USD
£3,690 GBP
View
B+
Retailer 6
-
$4,978 USD
View
B+
Retailer 7
-
$5,055 USD
View
B+
Retailer 8
-
$5,398 USD
View
B+
Retailer 9
-
$5,604 USD
€5,337 EUR
View
B+
Retailer 10
-
$6,096 USD
£4,800 GBP
View
Retailer 11
-
$6,564 USD
A$10,098 AUD
View
Price last confirmed 7 days ago
Retailer 12
-
$6,565 USD
View
Price last confirmed 11 days ago
B+
Retailer 13
-
$6,842 USD
ZAR 110,532 ZAR
View
B+
Retailer 14
-
$8,468 USD
View
B
Retailer 15
-
$9,012 USD
£7,096 GBP
View
B
Retailer 16
-
$9,807 USD
View
B
Retailer 17
-
$11,877 USD
SGD 16,050 SGD
View
B
Retailer 18
-
$12,317 USD
View
Most Expensive
B
Brilliant Earth
22184175A · Oct 29
$18,070 USD
View
18 more retailers have this diamond
Prices start from $3,415 USDSave up to $14,655 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
6.65ct Radiant
$3,415 USD