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Round|Lab Grown|IGI

1.66ct F VVS1 Round Lab Grown Diamond

ID • F/VVS1 • IGI LG739518260

Certificate IGI LG739518260

Diamond specifications and retailer prices

From $1,659 USD
As of October 31, 2026
1 retailer carries this diamond
Only listing: $1,659 USD at Blue Nile
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Blue Nile

About this 1.66ct lab-grown round diamond

This 1.66ct lab-grown round sits in the one-and-a-half to two carat band, graded F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG739518260 or 739518260. Listed at a single retailer as of October 31, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.66
Carat
F
Color
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG739518260
Dimensions7.64 × 7.67 × 4.60 mm
L/W Ratio1.00
Top View
7.64 mm7.67 mm1.66 ctF / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG739518260
Side View
Table 60.0%CrownGirdle: MediumPavilionCulet: NoneDepth 60.1%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 31
Current: $1,659 USD|Low: $236 USD|High: $1,659 USD|Avg: $908 USD
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 1, 2026
Retailer 2$236 USD
Retailer 4$285 USD
Retailer 3$1,081 USD
Retailer 5$1,460 USD
Blue Nile$1,659 USD

4 data points across 5 retailers

1 retailer

B
Blue Nile
21101197 · Oct 31
$1,659 USD
View

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B
1.66ct Round
$1,659 USD