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Heart|Lab Grown|IGI

0.78ct D VS1 Heart Lab Grown Diamond

D/VS1 • IGI LG774621417

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG774621417

Diamond specifications and retailer prices

From $423 AUD
$297 USD
As of November 1, 2026
Save $1,150 AUD (73%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,573 AUD 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 VS1 clarity (very-slightly-included) and certified by IGI LG774621417 or 774621417. Listed at 8 retailers as of November 1, 2026, with prices from $423 to $1,573, a $1,150 spread on the same certified stone. MOH London lists it at $1,573. 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
Colour
VS1
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle37.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG774621417
Dimensions5.64 × 6.46 × 3.63 mm
L/W Ratio1.15
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
5.64 mm6.46 mm0.78 ctD / VS1
OriginLab Grown
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG774621417
Side View
Table 57.0%Crown 33.4°Girdle: MED-STKPavilion 37.4°Culet: NoneDepth 56.2%

Caratlytics Score

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

Price History

Last verified: Nov 1
Current: $1,573 AUD|Low: $423 AUD|High: $1,640 AUD|Avg: $846 AUD|-2.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 4$423 AUD
Retailer 5$588 AUD
Retailer 2$612 AUD
Retailer 7$662 AUD
Retailer 3$702 AUD
Retailer 6$1,130 AUD
Retailer 8$1,158 AUD
MOH London$1,573 AUD

41 data points across 8 retailers

8 retailers$423 AUD to $1,573 AUD

B+
Cheapest Retailer
-
$423 AUD
$297 USD
B+
Retailer 2
-
$588 AUD
$413 USD
View
B+
Retailer 3
-
$612 AUD
£338 GBP
View
B
Retailer 4
-
$662 AUD
$465 USD
View
B
Retailer 5
-
$702 AUD
View
B
Retailer 6
-
$1,130 AUD
$794 USD
View
B
Retailer 7
-
$1,158 AUD
$813 USD
View
Most Expensive
B
MOH London
LG774621417 · Nov 1
$1,573 AUD
£870 GBP
View
7 more retailers have this diamond
Prices start from $423 AUDSave up to $1,150 AUD

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
$423 AUD