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Heart|Lab Grown|IGI

0.78ct D VS1 Heart Lab Grown Diamond

EX • D/VS1 • IGI LG683590728

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG683590728

Diamond specifications and retailer prices

From $273 USD
As of October 30, 2026
Save $945 USD (78%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,218 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG683590728 or 683590728. Listed at 13 retailers as of October 29, 2026, with prices from $273 to $1,218, a $945 spread on the same certified stone. MOH London lists it at $1,218. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG683590728
Dimensions5.60 × 6.43 × 3.71 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
5.60 mm6.43 mm0.78 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG683590728
Side View
Table 62.0%Crown 35.2°Girdle: MED-STKPavilion 39.7°Culet: NoneDepth 57.7%

Caratlytics Score

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

Price History

Last verified: Oct 30
Current: $1,218 USD|Low: $240 USD|High: $1,519 USD|Avg: $667 USD|-18.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 8$244 USD
Retailer 10$273 USD
Retailer 11$302 USD
Retailer 9$317 USD
Retailer 3$350 USD
Retailer 7$508 USD
Retailer 6$536 USD
Retailer 2$579 USD
Retailer 5$768 USD
Retailer 12$1,032 USD
Retailer 4$1,207 USD
MOH London$1,218 USD

43 data points across 12 retailers

13 retailers$273 USD to $1,218 USD

Retailer 1
-
$244 USD
Price last confirmed 17 days ago
A
Retailer 2
-
$273 USD
View
Final sale: no returns
Retailer 3
-
$302 USD
View
Price last confirmed 18 days ago
B+
Retailer 4
-
$317 USD
View
Retailer 5
-
$350 USD
View
Price last confirmed 32 days ago
B
Retailer 6
-
$508 USD
View
B
Retailer 7
-
$536 USD
A$825 AUD
View
B
Retailer 8
-
$579 USD
£456 GBP
View
B
Retailer 9
-
$768 USD
A$1,182 AUD
View
Retailer 10
-
$972 USD
View
Price last confirmed 18 days ago
B
Retailer 11
-
$1,032 USD
View
B
Retailer 12
-
$1,207 USD
£950 GBP
View
Most Expensive
B
MOH London
LG683590728 · Oct 29
$1,218 USD
£959 GBP
View
12 more retailers have this diamond
Prices start from $273 USDSave up to $945 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
$273 USD