Marquise|Lab Grown|IGI

1.79ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG787624206

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG787624206

Diamond specifications and retailer prices

From $3,820 USD
As of October 31, 2026
6 retailers carry this diamond
Most expensive: $3,820 USD at Brilliant Earth
View at Brilliant Earth

About this 1.79ct lab-grown marquise diamond

This 1.79ct lab-grown marquise sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG787624206 or 787624206. Listed at 6 retailers as of October 31, 2026. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.79
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787624206
Dimensions12.31 × 6.51 × 3.96 mm
L/W Ratio1.89
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.31 mm6.51 mm1.79 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787624206
Side View
Table 59.0%Crown 35°Girdle: MED-STKPavilion 39.6°Culet: NoneDepth 60.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: $3,820 USD|Low: $927 USD|High: $3,820 USD|Avg: $2,017 USD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 26, 2026
Retailer 5$927 USD
Retailer 6$1,082 USD
Retailer 3$1,296 USD
Retailer 2$1,581 USD
Retailer 4$3,006 USD
Brilliant Earth$3,820 USD

20 data points across 6 retailers

6 retailers

Retailer 1
-
$927 USD
Price last confirmed 8 days ago
Retailer 2
-
$1,082 USD
View
Price last confirmed 9 days ago
Retailer 3
-
$1,296 USD
€1,234 EUR
View
Price last confirmed 7 days ago
A
Retailer 4
-
$1,581 USD
View
Price last confirmed 7 days ago
Retailer 5
-
$3,006 USD
£2,367 GBP
View
Price last confirmed 7 days ago
Most Expensive
B
Brilliant Earth
20472969A · Oct 31
$3,820 USD
View
5 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.

A
1.79ct Marquise
$3,820 USD