Heart|Lab Grown|IGI

0.78ct F VS1 Heart Lab Grown Diamond

ID • F/VS1 • IGI LG840611791

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG840611791

Diamond specifications and retailer prices

From $192 USD
HK$1,500 HKD
As of November 1, 2026
Save $468 USD (71%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,389 USD at MOH London · As of October 26, 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 F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG840611791 or 840611791. Listed at 12 retailers as of October 31, 2026, with a 244% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.78
Carat
F
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle31.3°
Pavilion angle37.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840611791
Dimensions6.64 × 5.92 × 3.51 mm
L/W Ratio1.12
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.64 mm5.92 mm0.78 ctF / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG840611791
Side View
Table 57.0%Crown 31.3°Girdle: MED-STKPavilion 37.7°Culet: NoneDepth 52.9%

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: Nov 1
Current: $1,389 USD|Low: $192 USD|High: $1,405 USD|Avg: $466 USD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 10$192 USD
Retailer 11$270 USD
Retailer 6$279 USD
Retailer 8$296 USD
Retailer 9$313 USD
Retailer 7$409 USD
Retailer 2$412 USD
Retailer 5$455 USD
Retailer 4$512 USD
Retailer 3$590 USD
MOH London$1,389 USD

24 data points across 11 retailers

12 retailers$192 USD to $660 USD

A
Cheapest Retailer
-
$192 USD
HK$1,500 HKD
B+
Retailer 2
-
$270 USD
View
B+
Retailer 3
-
$279 USD
£220 GBP
View
Retailer 4
-
$296 USD
ZAR 4,777 ZAR
View
Price last confirmed 9 days ago
Retailer 5
-
$313 USD
View
Price last confirmed 7 days ago
B
Retailer 6
-
$409 USD
£322 GBP
View
B+
Retailer 7
-
$412 USD
View
B
Retailer 8
-
$455 USD
SGD 615 SGD
View
B
Retailer 9
-
$512 USD
View
B
Retailer 10
-
$590 USD
View
B
Retailer 11
-
$660 USD
View
Most Expensive
MOH London
LG840611791 · Oct 26
$1,389 USD
£1,094 GBP
View
Price under review
11 more retailers have this diamond
Prices start from $192 USDSave up to $468 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
$192 USD