Marquise|Lab Grown|IGI

0.78ct F VS1 Marquise Lab Grown Diamond

EX • F/VS1 • IGI LG821653084

Certificate IGI LG821653084

Diamond specifications and retailer prices

From $486 USD
As of October 31, 2026
Save $254 USD (34%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $740 USD at Jared · As of October 28, 2026
View at Jared

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 LG821653084 or 821653084. Listed at 4 retailers as of October 28, 2026, with prices from $486 to $740, a $254 spread on the same certified stone. Jared lists it at $740. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG821653084
Dimensions10.32 × 4.67 × 2.90 mm
L/W Ratio2.21
Top View
10.32 mm4.67 mm0.78 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821653084
Side View
Table 58.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 62.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $740 USD|Low: $486 USD|High: $740 USD|Avg: $630 USD|+1.4%
Jared
Retailer 2
Retailer 3
Retailer 4
October 2, 2026
Retailer 3$486 USD
Retailer 2$650 USD
Retailer 4$650 USD
Jared$740 USD

2 data points across 4 retailers

4 retailers$486 USD to $740 USD

B+
Cheapest Retailer
-
$486 USD
B
Retailer 2
-
$650 USD
View
B
Retailer 3
-
$650 USD
View
Most Expensive
B
Jared
159705920 · Oct 28
$740 USD
View
3 more retailers have this diamond
Prices start from $486 USDSave up to $254 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.

B+
0.78ct Marquise
$486 USD