Heart|Lab Grown|IGI

0.78ct D VVS1 Heart Lab Grown Diamond

D/VVS1 • IGI LG788666496

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG788666496

Diamond specifications and retailer prices

From €323 EUR
$361 USD
As of October 30, 2026
Save €697 EUR (68%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €1,020 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 0.78ct lab-grown heart diamond

This 0.78ct lab-grown heart sits in the just-under-one-carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included) and certified by IGI LG788666496 or 788666496. Listed at 8 retailers as of October 30, 2026, with prices from €323 to €1,020, a €697 spread on the same certified stone. MOH London lists it at €1,020. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.78
Carat
D
Color
VVS1
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.1°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788666496
Dimensions5.63 × 6.41 × 3.67 mm
L/W Ratio1.14
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
5.63 mm6.41 mm0.78 ctD / VVS1
OriginLab Grown
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788666496
Side View
Table 66.0%Crown 38.1°Girdle: MED-THKPavilion 38.8°Culet: NoneDepth 57.3%

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 30
Current: €1,020 EUR|Low: €323 EUR|High: €1,063 EUR|Avg: €575 EUR|-2.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 4€323 EUR
Retailer 6€380 EUR
Retailer 2€395 EUR
Retailer 8€422 EUR
Retailer 3€563 EUR
Retailer 7€737 EUR
Retailer 5€749 EUR
MOH London€1,020 EUR

41 data points across 8 retailers

8 retailers€323 EUR to €1,020 EUR

B+
Cheapest Retailer
-
€323 EUR
$361 USD
B
Retailer 2
-
€380 EUR
$424 USD
View
B+
Retailer 3
-
€395 EUR
£348 GBP
View
B+
Retailer 4
-
€422 EUR
$471 USD
View
B
Retailer 5
-
€563 EUR
A$968 AUD
View
B
Retailer 6
-
€737 EUR
$823 USD
View
B
Retailer 7
-
€749 EUR
$837 USD
View
Most Expensive
B
MOH London
LG788666496 · Nov 1
€1,020 EUR
£897 GBP
View
7 more retailers have this diamond
Prices start from €323 EURSave up to €697 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.

B+
0.78ct Heart
€323 EUR