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Heart|Lab Grown|IGI

0.78ct D VS1 Heart Lab Grown Diamond

ID • D/VS1 • IGI LG623420407

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG623420407

Diamond specifications and retailer prices

From £161 GBP
$216 USD
As of November 3, 2026
Save £713 GBP (82%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £1,379 GBP at Do Amore Diamonds · As of November 3, 2026
View at Do Amore Diamonds

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 LG623420407 or 623420407. Listed at 16 retailers as of November 1, 2026, with a 442% 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
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle34.3°
Pavilion angle42.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG623420407
Dimensions5.75 × 6.24 × 3.71 mm
L/W Ratio1.09
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
5.75 mm6.24 mm0.78 ctD / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG623420407
Side View
Table 59.0%Crown 34.3°Girdle: MED-STKPavilion 42.4°Culet: NoneDepth 59.5%

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 3
Current: £1,379 GBP|Low: £161 GBP|High: £1,454 GBP|Avg: £516 GBP|-5.1%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 3, 2026
Retailer 6£161 GBP
Retailer 10£171 GBP
Retailer 9£239 GBP
Retailer 8£269 GBP
Retailer 3£358 GBP
Retailer 2£364 GBP
Retailer 5£575 GBP
Retailer 4£789 GBP
Retailer 7£874 GBP
Do Amore Diamonds£1,379 GBP

42 data points across 10 retailers

16 retailers£161 GBP to £874 GBP

Retailer 1
-
£138 GBP
$185 USD
Price last confirmed 32 days ago
A
Retailer 2
-
£161 GBP
$216 USD
View
Final sale: no returns
Retailer 3
-
£167 GBP
$224 USD
View
Price last confirmed 35 days ago
A
Retailer 4
-
£171 GBP
$229 USD
View
Retailer 5
-
£178 GBP
$239 USD
View
Price last confirmed 31 days ago
B+
Retailer 6
-
£239 GBP
$321 USD
View
B+
Retailer 7
-
£269 GBP
$361 USD
View
B+
Retailer 8
-
£358 GBP
ZAR 7,750 ZAR
View
B+
Retailer 9
-
£364 GBP
View
B
Retailer 10
-
£574 GBP
$770 USD
View
B
Retailer 11
-
£575 GBP
$771 USD
View
Retailer 12
-
£633 GBP
$849 USD
View
Price last confirmed 33 days ago
B
Retailer 13
-
£761 GBP
$1,021 USD
View
B
Retailer 14
-
£789 GBP
View
B
Retailer 15
-
£874 GBP
$1,172 USD
View
Most Expensive
Do Amore Diamonds
27-442BAE144 · Nov 3
£1,379 GBP
$1,850 USD
View
Price under review
15 more retailers have this diamond
Prices start from £161 GBPSave up to £713 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
£161 GBP