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Heart|Lab Grown|IGI

0.78ct D SI1 Heart Lab Grown Diamond

ID • D/SI1 • IGI LG700587860

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG700587860

Diamond specifications and retailer prices

From $154 CAD
$110 USD
As of October 27, 2026
Save $1,444 CAD (90%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,598 CAD 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG700587860 or 700587860. Listed at 9 retailers as of October 27, 2026, with prices from $154 to $1,598, a $1,444 spread on the same certified stone. MOH London lists it at $1,598. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.78
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle32.6°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG700587860
Dimensions5.91 × 6.29 × 3.62 mm
L/W Ratio1.06
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.91 mm6.29 mm0.78 ctD / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG700587860
Side View
Table 64.0%Crown 32.6°Girdle: THN-STKPavilion 40°Culet: NoneDepth 57.6%

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: Oct 27
Current: $1,598 CAD|Low: $154 CAD|High: $1,598 CAD|Avg: $530 CAD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 29, 2026
Retailer 12$154 CAD
Retailer 9$178 CAD
Retailer 11$233 CAD
Retailer 10$379 CAD
Retailer 8$379 CAD
Retailer 7$415 CAD
Retailer 13$461 CAD
Retailer 2$526 CAD
Retailer 5$588 CAD
Retailer 6$612 CAD
Retailer 4$871 CAD
Retailer 3$994 CAD
MOH London$1,598 CAD

3 data points across 13 retailers

9 retailers$154 CAD to $1,598 CAD

A
Cheapest Retailer
-
$154 CAD
$110 USD
A
Retailer 2
-
$178 CAD
$127 USD
View
A
Retailer 3
-
$233 CAD
HK$1,300 HKD
View
B+
Retailer 4
-
$379 CAD
£213 GBP
View
B+
Retailer 5
-
$379 CAD
$271 USD
View
B+
Retailer 6
-
$415 CAD
£233 GBP
View
B+
Retailer 7
-
$526 CAD
$376 USD
View
B
Retailer 8
-
$612 CAD
$437 USD
View
Most Expensive
B
MOH London
LG700587860 · Oct 29
$1,598 CAD
£899 GBP
View
8 more retailers have this diamond
Prices start from $154 CADSave up to $1,444 CAD

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
$154 CAD