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Marquise|Lab Grown|IGI

1.66ct F VS2 Marquise Lab Grown Diamond

EX • F/VS2 • IGI LG831646757

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG831646757

Diamond specifications and retailer prices

From €314 EUR
$352 USD
As of November 2, 2026
Save €560 EUR (64%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: €873 EUR at Novita Diamonds · As of October 29, 2026
View at Novita 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 VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG831646757 or 831646757. Listed at 5 retailers as of October 29, 2026, with prices from €314 to €873, a €560 spread on the same certified stone. Novita Diamonds lists it at €873. 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
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831646757
Dimensions12.28 × 6.23 × 3.88 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
12.28 mm6.23 mm1.66 ctF / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831646757
Side View
Table 58.0%Crown 34°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 62.3%

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: Nov 2
Current: €873 EUR|Low: €314 EUR|High: €886 EUR|Avg: €462 EUR|-1.4%
Novita Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 29, 2026
Retailer 4€314 EUR
Retailer 5€348 EUR
Retailer 3€408 EUR
Retailer 2€453 EUR
Retailer 6€501 EUR
Novita Diamonds€873 EUR

11 data points across 6 retailers

5 retailers€314 EUR to €873 EUR

A
Cheapest Retailer
-
€314 EUR
$352 USD
B+
Retailer 2
-
€348 EUR
$390 USD
View
A
Retailer 3
-
€408 EUR
$458 USD
View
A
Retailer 4
-
€453 EUR
View
Most Expensive
B+
Novita Diamonds
cert_831646757 · Oct 29
€873 EUR
A$1,507 AUD
View
4 more retailers have this diamond
Prices start from €314 EURSave up to €560 EUR

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
1.66ct Marquise
€314 EUR