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Heart|Lab Grown|IGI

0.78ct G VS1 Heart Lab Grown Diamond

ID • G/VS1 • IGI LG781626185

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG781626185

Diamond specifications and retailer prices

From £207 GBP
$278 USD
As of November 3, 2026
Save £514 GBP (71%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £722 GBP at MOH London · As of November 2, 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 G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG781626185 or 781626185. Listed at 7 retailers as of November 2, 2026, with prices from £207 to £722, a £514 spread on the same certified stone. MOH London lists it at £722. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.78
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG781626185
Dimensions5.51 × 6.28 × 3.82 mm
L/W Ratio1.14
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 Faint Blue
Top View
5.51 mm6.28 mm0.78 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG781626185
Side View
Table 62.0%Crown 36°Girdle: STK-THKPavilion 39.9°Culet: NoneDepth 60.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 3
Current: £722 GBP|Low: £207 GBP|High: £730 GBP|Avg: £405 GBP|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 3, 2026
Retailer 5£207 GBP
Retailer 2£274 GBP
Retailer 3£278 GBP
Retailer 6£327 GBP
Retailer 4£506 GBP
Retailer 7£537 GBP
MOH London£722 GBP

42 data points across 7 retailers

7 retailers£207 GBP to £722 GBP

B+
Cheapest Retailer
-
£207 GBP
$278 USD
B+
Retailer 2
-
£274 GBP
View
B+
Retailer 3
-
£278 GBP
$373 USD
View
B
Retailer 4
-
£327 GBP
$439 USD
View
B
Retailer 5
-
£506 GBP
$679 USD
View
B
Retailer 6
-
£537 GBP
$720 USD
View
Most Expensive
B
MOH London
LG781626185 · Nov 2
£722 GBP
View
6 more retailers have this diamond
Prices start from £207 GBPSave up to £514 GBP

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.

B+
0.78ct Heart
£207 GBP