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Marquise|Lab Grown|IGI

1.68ct F VS2 Marquise Lab Grown Diamond

EX • F/VS2 • IGI LG842615804

Certificate IGI LG842615804

Diamond specifications and retailer prices

From $252 USD
As of November 1, 2026
Save $1,048 USD (81%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $1,300 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.68ct lab-grown marquise diamond

This 1.68ct 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 LG842615804 or 842615804. Listed at 3 retailers as of October 31, 2026, with prices from $252 to $1,300, a $1,048 spread on the same certified stone. Brilliant Earth lists it at $1,300. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.68
Carat
F
Color
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG842615804
Dimensions12.14 × 6.22 × 3.89 mm
L/W Ratio1.95
Top View
12.14 mm6.22 mm1.68 ctF / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG842615804
Side View
Table 60.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 62.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $1,300 USD|Low: $252 USD|High: $1,300 USD|Avg: $833 USD
Brilliant Earth
Retailer 2
Retailer 3
November 2, 2026
Retailer 3$252 USD
Retailer 2$542 USD
Brilliant Earth$1,300 USD

16 data points across 3 retailers

3 retailers$252 USD to $1,300 USD

A
Cheapest Retailer
-
$252 USD
Final sale: no returns
A
Retailer 2
-
$542 USD
£426 GBP
View
Most Expensive
B
Brilliant Earth
21772221A · Oct 31
$1,300 USD
View
2 more retailers have this diamond
Prices start from $252 USDSave up to $1,048 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
1.68ct Marquise
$252 USD