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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 €98 EUR
$110 USD
As of October 30, 2026
Save €918 EUR (90%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €1,016 EUR at MOH London · As of November 1, 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 12 retailers as of October 30, 2026, with prices from €98 to €1,016, a €918 spread on the same certified stone. MOH London lists it at €1,016. 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
Colour
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 30
Current: €1,016 EUR|Low: €98 EUR|High: €1,022 EUR|Avg: €341 EUR|-0.6%
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
Retailer 14
Retailer 15
November 1, 2026
Retailer 4€98 EUR
Retailer 15€114 EUR
Retailer 10€130 EUR
Retailer 3€149 EUR
Retailer 8€225 EUR
Retailer 2€242 EUR
Retailer 14€243 EUR
Retailer 13€265 EUR
Retailer 11€337 EUR
Retailer 7€376 EUR
Retailer 12€391 EUR
Retailer 9€436 EUR
Retailer 6€557 EUR
Retailer 5€636 EUR
MOH London€1,016 EUR

6 data points across 15 retailers

12 retailers€98 EUR to €1,016 EUR

A
Cheapest Retailer
-
€98 EUR
$110 USD
A
Retailer 2
-
€114 EUR
$127 USD
View
A
Retailer 3
-
€130 EUR
$145 USD
View
A
Retailer 4
-
€149 EUR
HK$1,300 HKD
View
B+
Retailer 5
-
€225 EUR
View
B+
Retailer 6
-
€242 EUR
£212 GBP
View
B+
Retailer 7
-
€243 EUR
$271 USD
View
B+
Retailer 8
-
€265 EUR
£233 GBP
View
B+
Retailer 9
-
€337 EUR
$376 USD
View
B
Retailer 10
-
€391 EUR
$437 USD
View
B
Retailer 11
-
€436 EUR
$487 USD
View
Most Expensive
B
MOH London
LG700587860 · Nov 1
€1,016 EUR
£894 GBP
View
11 more retailers have this diamond
Prices start from €98 EURSave up to €918 EUR

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
€98 EUR