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Heart|Lab Grown|IGI

0.78ct D VS1 Heart Lab Grown Diamond

ID • D/VS1 • IGI LG766686102

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG766686102

Diamond specifications and retailer prices

From $297 USD
As of October 30, 2026
Save $809 USD (73%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,106 USD at MOH London · As of October 25, 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), with a top-tier cut grade and certified by IGI LG766686102 or 766686102. Listed at 8 retailers as of October 25, 2026, with prices from $297 to $1,106, a $809 spread on the same certified stone. MOH London lists it at $1,106. 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
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.4°
Pavilion angle36.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG766686102
Dimensions5.64 × 6.34 × 3.60 mm
L/W Ratio1.12
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 mm6.34 mm0.78 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG766686102
Side View
Table 63.0%Crown 38.4°Girdle: MED-STKPavilion 36.9°Culet: NoneDepth 56.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $1,106 USD|Low: $297 USD|High: $1,152 USD|Avg: $594 USD|-2.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 4$297 USD
Retailer 5$413 USD
Retailer 2$430 USD
Retailer 7$465 USD
Retailer 3$493 USD
Retailer 6$794 USD
Retailer 8$813 USD
MOH London$1,106 USD

42 data points across 8 retailers

8 retailers$297 USD to $1,106 USD

A
Cheapest Retailer
-
$297 USD
B+
Retailer 2
-
$413 USD
View
B+
Retailer 3
-
$430 USD
£338 GBP
View
B+
Retailer 4
-
$465 USD
View
B+
Retailer 5
-
$493 USD
A$759 AUD
View
B
Retailer 6
-
$794 USD
View
B
Retailer 7
-
$813 USD
View
Most Expensive
B
MOH London
LG766686102 · Oct 25
$1,106 USD
£871 GBP
View
7 more retailers have this diamond
Prices start from $297 USDSave up to $809 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
$297 USD