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Heart|Lab Grown|IGI

0.78ct D VS2 Heart Lab Grown Diamond

EX • D/VS2 • IGI LG673412128

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG673412128

Diamond specifications and retailer prices

From £179 GBP
$240 USD
As of October 30, 2026
Save £445 GBP (71%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £624 GBP 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 VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG673412128 or 673412128. Listed at 7 retailers as of October 29, 2026, with prices from £179 to £624, a £445 spread on the same certified stone. MOH London lists it at £624. 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
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG673412128
Dimensions5.40 × 6.43 × 3.75 mm
L/W Ratio1.19
Girdle conditionFaceted
Culet sizeNone
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.40 mm6.43 mm0.78 ctD / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG673412128
Side View
Table 62.0%Crown 36°Girdle: MED-THKPavilion 39°Culet: NoneDepth 58.3%

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: £624 GBP|Low: £179 GBP|High: £628 GBP|Avg: £321 GBP|+0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 31, 2026
Retailer 5£179 GBP
Retailer 2£228 GBP
Retailer 3£289 GBP
Retailer 4£308 GBP
MOH London£624 GBP

41 data points across 5 retailers

7 retailers£179 GBP to £624 GBP

A
Cheapest Retailer
-
£179 GBP
$240 USD
A
Retailer 2
-
£210 GBP
$282 USD
View
B+
Retailer 3
-
£228 GBP
View
B+
Retailer 4
-
£289 GBP
View
B+
Retailer 5
-
£308 GBP
$413 USD
View
B
Retailer 6
-
£468 GBP
$627 USD
View
Most Expensive
B
MOH London
LG673412128 · Oct 29
£624 GBP
View
6 more retailers have this diamond
Prices start from £179 GBPSave up to £445 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.

A
0.78ct Heart
£179 GBP