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Cushion|Lab Grown|IGI

1.79ct H SI1 Cushion Lab Grown Diamond

ID • H/SI1 • IGI LG647403773

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG647403773

Diamond specifications and retailer prices

From €1,110 EUR
$1,240 USD
As of October 31, 2026
3 retailers carry this diamond
Most expensive: €1,110 EUR at Brilliant Earth
View at Brilliant Earth

About this 1.79ct lab-grown cushion diamond

This 1.79ct lab-grown cushion sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG647403773 or 647403773. Listed at 3 retailers as of October 31, 2026. 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

1.79
Carat
H
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG647403773
Dimensions8.58 × 6.16 × 4.20 mm
L/W Ratio1.39
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.58 mm6.16 mm1.79 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG647403773
Side View
Table 62.0%Crown 35.5°Girdle: MED-THKPavilion 35.4°Culet: NoneDepth 68.2%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 31
Current: €1,110 EUR|Low: €361 EUR|High: €1,110 EUR|Avg: €649 EUR
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
September 24, 2026
Retailer 6€361 EUR
Retailer 2€361 EUR
Retailer 5€545 EUR
Retailer 7€572 EUR
Retailer 4€759 EUR
Retailer 3€855 EUR
Brilliant Earth€1,110 EUR

3 data points across 7 retailers

3 retailers

Retailer 1
-
€855 EUR
$955 USD
Price last confirmed 38 days ago
Retailer 2
-
€865 EUR
$966 USD
View
Price last confirmed 84 days ago
Most Expensive
B+
Brilliant Earth
14251194A · Oct 31
€1,110 EUR
$1,240 USD
View
2 more retailers have this diamond

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.

B+
1.79ct Cushion
€1,110 EUR