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Marquise|Lab Grown|IGI

0.80ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG764675194

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG764675194

Diamond specifications and retailer prices

From $850 USD
As of November 2, 2026
2 retailers carry this diamond
Most expensive: $850 USD at Brilliant Earth
View at Brilliant Earth

About this 0.8ct lab-grown marquise diamond

This 0.8ct lab-grown marquise sits in the just-under-one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG764675194 or 764675194. Listed at 2 retailers as of November 2, 2026. Flawless clarity in sub-one-carat stones is rarely visible to the naked eye over VS1, so you are paying a meaningful premium for grade rather than appearance.

The 4Cs

0.80
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG764675194
Dimensions9.54 × 4.89 × 3.03 mm
L/W Ratio1.95
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
9.54 mm4.89 mm0.80 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG764675194
Side View
Table 57.0%Crown 34.3°Girdle: THN-MEDPavilion 39.9°Culet: NoneDepth 62.0%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 2
Current: $850 USD|Low: $401 USD|High: $2,930 USD|Avg: $1,023 USD|-6.6%
Brilliant Earth
Retailer 2
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Retailer 6
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Retailer 14
August 17, 2026
Retailer 9$401 USD
Retailer 14$514 USD
Retailer 4$527 USD
Retailer 3$585 USD
Retailer 11$622 USD
Retailer 2$661 USD
Retailer 8$701 USD
Retailer 6$810 USD
Brilliant Earth$850 USD
Retailer 10$1,050 USD
Retailer 5$1,360 USD
Retailer 13$1,403 USD
Retailer 7$2,130 USD
Retailer 12$2,930 USD

56 data points across 14 retailers

2 retailers

Retailer 1
-
$661 USD
Price last confirmed 78 days ago
Most Expensive
B
Brilliant Earth
17939028Y · Nov 2
$850 USD
View
1 more retailer has 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
0.80ct Marquise
$850 USD