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Round|Lab Grown|IGI

1.78ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG596336705

Shape and cutting style on the report: Round brilliant

Certificate IGI LG596336705

Diamond specifications and retailer prices

From $1,495 CAD
$1,070 USD
As of October 29, 2026
1 retailer carries this diamond
Only listing: $1,495 CAD at Brilliant Earth
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Brilliant Earth

About this 1.78ct lab-grown round diamond

This 1.78ct lab-grown round sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG596336705 or 596336705. Listed at a single retailer as of October 29, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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

1.78
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG596336705
Dimensions7.76 × 7.75 × 4.82 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.76 mm7.75 mm1.78 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG596336705
Side View
Table 57.0%Crown 34.7°Girdle: MediumPavilion 41.1°Culet: NoneDepth 62.2%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 29
Current: $1,495 CAD|Low: $243 CAD|High: $2,026 CAD|Avg: $1,191 CAD|-21.9%
Brilliant Earth
Retailer 2
Retailer 3
October 4, 2026
Retailer 3$243 CAD
Retailer 2$1,183 CAD
Brilliant Earth$1,495 CAD

54 data points across 3 retailers

1 retailer

B
Brilliant Earth
7971537B · Oct 29
$1,495 CAD
$1,070 USD
View

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B
1.78ct Round
$1,495 CAD