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Marquise|Lab Grown|IGI

1.66ct F VVS2 Marquise Lab Grown Diamond

EX • F/VVS2 • IGI LG839685387

Certificate IGI LG839685387

Diamond specifications and retailer prices

From $597 USD
£470 GBP
1 retailer carries this diamond
Only listing: $597 USD at 77 Diamonds
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 77 Diamonds

About this 1.66ct lab-grown marquise diamond

This 1.66ct lab-grown marquise sits in the one-and-a-half to two carat band, graded F colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG839685387 or 839685387. Currently listed at a single retailer. 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
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839685387
Dimensions12.15 × 6.17 × 3.91 mm
L/W Ratio1.97
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.15 mm6.17 mm1.66 ctF / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839685387
Side View
Table 55.0%Crown 34.7°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 63.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 1
Current: $597 USD|Low: $597 USD|High: $597 USD|Avg: $597 USD
September 30, 2026
77 Diamonds$597 USD

1 data point across 1 retailer

1 retailer

B+
77 Diamonds
MQTVS2R6MMXKV · Oct 1
$597 USD
£470 GBP
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B+
1.66ct Marquise
$597 USD