Radiant|Lab Grown|IGI

0.66ct D VVS1 Radiant Lab Grown Diamond

ID • D/VVS1 • IGI LG629400318

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

Certificate IGI LG629400318

Diamond specifications and retailer prices

From $725 USD
£571 GBP
As of November 2, 2026
13 retailers carry this diamond
Most expensive: $1,028 USD at Reve Diamonds · As of October 11, 2026
View at Reve Diamonds

About this 0.66ct lab-grown radiant diamond

This 0.66ct lab-grown radiant sits in the half to three-quarter carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG629400318 or 629400318. Listed at 13 retailers as of November 2, 2026. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.66
Carat
D
Color
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle35.4°
Pavilion angle32.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG629400318
Dimensions6.24 × 4.37 × 2.84 mm
L/W Ratio1.43
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
6.24 mm4.37 mm0.66 ctD / VVS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG629400318
Side View
Table 72.0%Crown 35.4°Girdle: ThickPavilion 32.9°Culet: NoneDepth 65.0%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 2
Current: $337 USD|Low: $141 USD|High: $1,028 USD|Avg: $463 USD|-5.3%
Retailer 1
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
Reve Diamonds
October 18, 2026
Retailer 9$147 USD
Retailer 4$164 USD
Retailer 3$171 USD
Retailer 13$183 USD
Retailer 7$241 USD
Retailer 11$280 USD
Retailer 14$294 USD
Retailer 10$300 USD
Retailer 1$337 USD
Retailer 8$348 USD
Retailer 15$475 USD
Retailer 12$650 USD
Retailer 6$722 USD
Retailer 5$822 USD
Retailer 2$954 USD
Reve Diamonds$1,028 USD

28 data points across 16 retailers

13 retailers

Retailer 1
-
$147 USD
Price last confirmed 25 days ago
Retailer 2
-
$171 USD
View
Price last confirmed 37 days ago
Retailer 3
-
$183 USD
View
Price last confirmed 30 days ago
Retailer 4
-
$280 USD
View
Price last confirmed 21 days ago
Retailer 5
-
$294 USD
HK$2,300 HKD
View
Price last confirmed 22 days ago
Retailer 6
-
$300 USD
View
Price last confirmed 28 days ago
Retailer 7
-
$348 USD
£274 GBP
View
Price last confirmed 19 days ago
Retailer 8
-
$475 USD
View
Price last confirmed 19 days ago
Retailer 9
-
$722 USD
SGD 975 SGD
View
Price last confirmed 21 days ago
B
Retailer 10
-
$725 USD
£571 GBP
View
Retailer 11
-
$822 USD
View
Price last confirmed 21 days ago
Retailer 12
-
$954 USD
£751 GBP
View
Price last confirmed 21 days ago
Most Expensive
Reve Diamonds
DD39CFF56 · Oct 11
$1,028 USD
View
Price last confirmed 22 days ago
12 more retailers have this diamond
Prices start from $725 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
0.66ct Radiant
$725 USD