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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 $216 USD
As of October 30, 2026
Save $956 USD (82%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,850 USD at Do Amore Diamonds · As of October 30, 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 15 retailers as of October 30, 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $1,850 USD|Low: $216 USD|High: $1,950 USD|Avg: $689 USD|-5.1%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 6$216 USD
Retailer 10$229 USD
Retailer 9$321 USD
Retailer 8$361 USD
Retailer 4$477 USD
Retailer 2$484 USD
Retailer 5$771 USD
Retailer 3$1,063 USD
Retailer 7$1,172 USD
Do Amore Diamonds$1,850 USD

42 data points across 10 retailers

15 retailers$216 USD to $1,172 USD

Retailer 1
-
$185 USD
Price last confirmed 29 days ago
A
Retailer 2
-
$216 USD
View
Final sale: no returns
Retailer 3
-
$224 USD
View
Price last confirmed 32 days ago
A
Retailer 4
-
$229 USD
View
Retailer 5
-
$239 USD
View
Price last confirmed 28 days ago
B+
Retailer 6
-
$321 USD
View
B+
Retailer 7
-
$361 USD
View
B+
Retailer 8
-
$477 USD
ZAR 7,712 ZAR
View
B+
Retailer 9
-
$484 USD
£381 GBP
View
B
Retailer 10
-
$771 USD
View
Retailer 11
-
$849 USD
View
Price last confirmed 30 days ago
B
Retailer 12
-
$1,021 USD
View
B
Retailer 13
-
$1,063 USD
£837 GBP
View
B
Retailer 14
-
$1,172 USD
View
Most Expensive
Do Amore Diamonds
27-442BAE144 · Oct 30
$1,850 USD
View
Price under review
14 more retailers have this diamond
Prices start from $216 USDSave up to $956 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
$216 USD