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Round|Lab Grown|IGI

0.78ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG476188286

Shape and cutting style on the report: Round brilliant

Certificate IGI LG476188286

Diamond specifications and retailer prices

From €257 EUR
$287 USD
As of October 30, 2026
Save €217 EUR (46%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: €1,019 EUR at MOH London · As of October 25, 2026
View at MOH London

About this 0.78ct lab-grown round diamond

This 0.78ct lab-grown round sits in the just-under-one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG476188286 or 476188286. Listed at 5 retailers as of October 30, 2026, with a 84% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG476188286
Dimensions5.87 × 5.89 × 3.64 mm
L/W Ratio1.00
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
5.87 mm5.89 mm0.78 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG476188286
Side View
Table 56.0%Crown 35.5°GirdlePavilion 40.3°Culet: NoneDepth 61.9%

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: €1,019 EUR|Low: €257 EUR|High: €3,619 EUR|Avg: €1,031 EUR|+0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 1, 2026
Retailer 5€257 EUR
Retailer 3€407 EUR
Retailer 4€431 EUR
Retailer 2€474 EUR
MOH London€1,019 EUR
Retailer 6€3,619 EUR

42 data points across 6 retailers

5 retailers€257 EUR to €474 EUR

A
Cheapest Retailer
-
€257 EUR
$287 USD
B+
Retailer 2
-
€407 EUR
View
B
Retailer 3
-
€431 EUR
$482 USD
View
B
Retailer 4
-
€474 EUR
£417 GBP
View
Most Expensive
MOH London
LG476188286 · Oct 25
€1,019 EUR
£896 GBP
View
Price last confirmed 7 days ago
4 more retailers have this diamond
Prices start from €257 EURSave up to €217 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 Round
€257 EUR