Heart|Lab Grown|IGI

0.78ct D VS2 Heart Lab Grown Diamond

EX • D/VS2 • IGI LG673412128

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG673412128

Diamond specifications and retailer prices

From $240 USD
As of October 30, 2026
Save $596 USD (71%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $836 USD at MOH London · As of October 29, 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 VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG673412128 or 673412128. Listed at 7 retailers as of October 29, 2026, with prices from $240 to $836, a $596 spread on the same certified stone. MOH London lists it at $836. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.78
Carat
D
Color
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG673412128
Dimensions5.40 × 6.43 × 3.75 mm
L/W Ratio1.19
Girdle conditionFaceted
Culet sizeNone
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.40 mm6.43 mm0.78 ctD / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG673412128
Side View
Table 62.0%Crown 36°Girdle: MED-THKPavilion 39°Culet: NoneDepth 58.3%

Caratlytics Score

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

Last verified: Oct 30
Current: $836 USD|Low: $240 USD|High: $842 USD|Avg: $430 USD|+0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 31, 2026
Retailer 5$240 USD
Retailer 2$306 USD
Retailer 3$388 USD
Retailer 4$413 USD
MOH London$836 USD

41 data points across 5 retailers

7 retailers$240 USD to $836 USD

A
Cheapest Retailer
-
$240 USD
A
Retailer 2
-
$282 USD
View
B+
Retailer 3
-
$306 USD
£241 GBP
View
B+
Retailer 4
-
$388 USD
£305 GBP
View
B+
Retailer 5
-
$413 USD
View
B
Retailer 6
-
$627 USD
View
Most Expensive
B
MOH London
LG673412128 · Oct 29
$836 USD
£658 GBP
View
6 more retailers have this diamond
Prices start from $240 USDSave up to $596 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
0.78ct Heart
$240 USD