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 €189 EUR
$212 USD
As of November 1, 2026
Save €582 EUR (75%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: €771 EUR at Taylor and Hart · As of October 31, 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 5 retailers as of October 31, 2026, with prices from €189 to €771, a €582 spread on the same certified stone. Taylor and Hart lists it at €771. 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: Nov 1
Current: €343 EUR|Low: €189 EUR|High: €771 EUR|Avg: €382 EUR|+0.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Taylor and Hart
November 2, 2026
Retailer 2€189 EUR
Retailer 4€234 EUR
Retailer 1€343 EUR
Retailer 3€362 EUR
Taylor and Hart€771 EUR

6 data points across 5 retailers

5 retailers€189 EUR to €771 EUR

A
Cheapest Retailer
-
€189 EUR
$212 USD
B+
Retailer 2
-
€234 EUR
$263 USD
View
B+
Retailer 3
-
€343 EUR
£303 GBP
View
B
Retailer 4
-
€362 EUR
$406 USD
View
Most Expensive
B
Taylor and Hart
L6R146F · Oct 31
€771 EUR
$865 USD
View
4 more retailers have this diamond
Prices start from €189 EURSave up to €582 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
0.77ct Heart
€189 EUR