Heart|Lab Grown|IGI

0.77ct F VS1 Heart Lab Grown Diamond

ID • F/VS1 • IGI LG839640559

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG839640559

Diamond specifications and retailer prices

From $221 USD
As of October 28, 2026
Save $644 USD (74%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $865 USD at Taylor and Hart · As of October 28, 2026
View at Taylor and Hart

About this 0.77ct lab-grown heart diamond

This 0.77ct lab-grown heart 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 LG839640559 or 839640559. Listed at 4 retailers as of October 28, 2026, with prices from $221 to $865, a $644 spread on the same certified stone. Taylor and Hart lists it at $865. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.77
Carat
F
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle37.6°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839640559
Dimensions6.34 × 5.66 × 3.59 mm
L/W Ratio1.12
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.34 mm5.66 mm0.77 ctF / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG839640559
Side View
Table 61.0%Crown 37.6°Girdle: MED-THKPavilion 41.4°Culet: NoneDepth 56.6%

Caratlytics Score

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

Last verified: Oct 28
Current: $406 USD|Low: $221 USD|High: $865 USD|Avg: $443 USD
Retailer 1
Retailer 2
Retailer 3
Taylor and Hart
October 29, 2026
Retailer 2$221 USD
Retailer 3$263 USD
Retailer 1$406 USD
Taylor and Hart$865 USD

2 data points across 4 retailers

4 retailers$221 USD to $865 USD

A
Cheapest Retailer
-
$221 USD
B+
Retailer 2
-
$263 USD
View
B
Retailer 3
-
$406 USD
View
Most Expensive
B
Taylor and Hart
L6R146F · Oct 28
$865 USD
View
3 more retailers have this diamond
Prices start from $221 USDSave up to $644 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
0.77ct Heart
$221 USD