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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 €171 EUR
HK$1,500 HKD
As of November 1, 2026
Save €417 EUR (71%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €1,239 EUR 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: €1,239 EUR|Low: €171 EUR|High: €1,252 EUR|Avg: €416 EUR|-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€171 EUR
Retailer 11€241 EUR
Retailer 6€249 EUR
Retailer 8€264 EUR
Retailer 9€279 EUR
Retailer 7€365 EUR
Retailer 2€367 EUR
Retailer 5€406 EUR
Retailer 4€456 EUR
Retailer 3€526 EUR
MOH London€1,239 EUR

24 data points across 11 retailers

12 retailers€171 EUR to €588 EUR

A
Cheapest Retailer
-
€171 EUR
HK$1,500 HKD
B+
Retailer 2
-
€241 EUR
$270 USD
View
B+
Retailer 3
-
€249 EUR
£220 GBP
View
Retailer 4
-
€264 EUR
ZAR 4,777 ZAR
View
Price last confirmed 11 days ago
Retailer 5
-
€279 EUR
$313 USD
View
Price last confirmed 8 days ago
Retailer 6
-
€365 EUR
£322 GBP
View
Price last confirmed 8 days ago
B+
Retailer 7
-
€367 EUR
$412 USD
View
B
Retailer 8
-
€406 EUR
SGD 615 SGD
View
B
Retailer 9
-
€456 EUR
$512 USD
View
B
Retailer 10
-
€526 EUR
$590 USD
View
B
Retailer 11
-
€588 EUR
$660 USD
View
Most Expensive
MOH London
LG840611791 · Oct 26
€1,239 EUR
£1,094 GBP
View
Price under review
11 more retailers have this diamond
Prices start from €171 EURSave up to €417 EUR

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
€171 EUR