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Marquise|Lab Grown|IGI

1.51ct F VVS2 Marquise Lab Grown Diamond

ID • F/VVS2 • IGI LG818682378

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818682378

Diamond specifications and retailer prices

From $246 USD
As of November 4, 2026
Save $1,314 USD (84%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $1,560 USD at Brilliant Earth · As of November 3, 2026
View at Brilliant Earth

About this 1.51ct lab-grown marquise diamond

This 1.51ct lab-grown marquise sits in the one-and-a-half to two carat band, graded F colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG818682378 or 818682378. Listed at 22 retailers as of November 3, 2026, with prices from $246 to $1,560, a $1,314 spread on the same certified stone. Brilliant Earth lists it at $1,560. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
F
Color
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818682378
Dimensions11.58 × 6.02 × 3.76 mm
L/W Ratio1.92
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.58 mm6.02 mm1.51 ctF / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818682378
Side View
Table 60.0%Crown 35.1°Girdle: MediumPavilion 40.8°Culet: NoneDepth 62.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $1,560 USD|Low: $246 USD|High: $1,560 USD|Avg: $638 USD
Brilliant Earth
Retailer 2
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Retailer 7
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Retailer 21
November 4, 2026
Retailer 10$246 USD
Retailer 11$274 USD
Retailer 6$285 USD
Retailer 3$305 USD
Retailer 5$305 USD
Retailer 2$338 USD
Retailer 14$470 USD
Retailer 21$513 USD
Retailer 18$526 USD
Retailer 7$529 USD
Retailer 13$572 USD
Retailer 20$630 USD
Retailer 15$713 USD
Retailer 17$785 USD
Retailer 8$946 USD
Retailer 19$958 USD
Retailer 4$979 USD
Retailer 12$982 USD
Retailer 9$1,031 USD
Retailer 16$1,220 USD
Brilliant Earth$1,560 USD

28 data points across 21 retailers

22 retailers$246 USD to $1,560 USD

A
Cheapest Retailer
-
$246 USD
A
Retailer 2
-
$274 USD
View
Final sale: no returns
A
Retailer 3
-
$285 USD
View
Retailer 4
-
$305 USD
View
Price last confirmed 10 days ago
A
Retailer 5
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$305 USD
View
A
Retailer 6
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$338 USD
View
Retailer 7
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$470 USD
View
Price last confirmed 13 days ago
A
Retailer 8
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$513 USD
View
A
Retailer 9
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$526 USD
View
A
Retailer 10
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$529 USD
View
A
Retailer 11
-
$572 USD
View
A
Retailer 12
-
$630 USD
View
A
Retailer 13
-
$713 USD
View
B+
Retailer 14
-
$785 USD
View
B+
Retailer 15
-
$946 USD
View
B+
Retailer 16
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$958 USD
View
B+
Retailer 17
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$979 USD
View
B+
Retailer 18
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$982 USD
View
B+
Retailer 19
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$1,031 USD
View
B
Retailer 20
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$1,200 USD
View
B+
Retailer 21
-
$1,220 USD
View
Most Expensive
B
Brilliant Earth
22456296A · Nov 3
$1,560 USD
View
21 more retailers have this diamond
Prices start from $246 USDSave up to $1,314 USD

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
1.51ct Marquise
$246 USD