Marquise|Lab Grown|IGI

0.78ct F VS1 Marquise Lab Grown Diamond

ID • F/VS1 • IGI LG839630449

Certificate IGI LG839630449

Diamond specifications and retailer prices

From $250 USD
As of November 1, 2026
Save $420 USD (63%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $670 USD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 0.78ct lab-grown marquise diamond

This 0.78ct lab-grown marquise sits in the just-under-one-carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG839630449 or 839630449. Listed at 4 retailers as of November 1, 2026, with prices from $250 to $670, a $420 spread on the same certified stone. Brilliant Earth lists it at $670. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.78
Carat
F
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG839630449
Dimensions9.47 × 4.94 × 2.95 mm
L/W Ratio1.92
Top View
9.47 mm4.94 mm0.78 ctF / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG839630449
Side View
Table 63.0%CrownGirdle: THN-MEDPavilionCulet: NoneDepth 59.7%

Caratlytics Score

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

Last verified: Nov 1
Current: $477 USD|Low: $200 USD|High: $477 USD|Avg: $283 USD|+1.1%
Retailer 1
Retailer 2
Retailer 3
November 2, 2026
Retailer 2$200 USD
Retailer 3$250 USD
Retailer 1$477 USD

4 data points across 3 retailers

4 retailers$250 USD to $670 USD

Retailer 1
-
$200 USD
Price last confirmed 9 days ago
A
Retailer 2
-
$250 USD
View
B+
Retailer 3
-
$477 USD
View
Most Expensive
B
Brilliant Earth
22411424A · Nov 2
$670 USD
View
3 more retailers have this diamond
Prices start from $250 USDSave up to $420 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
0.78ct Marquise
$250 USD