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Marquise|Lab Grown|IGI

1.51ct E VS1 Marquise Lab Grown Diamond

ID • E/VS1 • IGI LG837654772

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG837654772

Diamond specifications and retailer prices

From $249 USD
As of November 4, 2026
Save $1,021 USD (80%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $1,270 USD at Brilliant Earth · As of November 4, 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 E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG837654772 or 837654772. Listed at 22 retailers as of November 4, 2026, with prices from $249 to $1,270, a $1,021 spread on the same certified stone. Brilliant Earth lists it at $1,270. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
E
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.7°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837654772
Dimensions11.56 × 6.07 × 3.74 mm
L/W Ratio1.90
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.56 mm6.07 mm1.51 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837654772
Side View
Table 56.0%Crown 32.7°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 61.6%

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: $1,270 USD|Low: $249 USD|High: $1,270 USD|Avg: $621 USD
Brilliant Earth
Retailer 2
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Retailer 21
November 5, 2026
Retailer 9$249 USD
Retailer 10$279 USD
Retailer 6$289 USD
Retailer 5$309 USD
Retailer 21$309 USD
Retailer 15$360 USD
Retailer 14$475 USD
Retailer 20$517 USD
Retailer 12$521 USD
Retailer 18$533 USD
Retailer 2$581 USD
Retailer 19$633 USD
Retailer 16$723 USD
Retailer 17$793 USD
Retailer 7$962 USD
Retailer 3$972 USD
Retailer 4$993 USD
Retailer 11$994 USD
Retailer 8$1,044 USD
Retailer 13$1,234 USD
Brilliant Earth$1,270 USD

30 data points across 21 retailers

22 retailers$249 USD to $1,270 USD

A
Cheapest Retailer
-
$249 USD
A
Retailer 2
-
$279 USD
View
Final sale: no returns
A
Retailer 3
-
$289 USD
View
Retailer 4
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$309 USD
View
Price last confirmed 11 days ago
A
Retailer 5
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$309 USD
View
A
Retailer 6
-
$360 USD
View
Retailer 7
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$475 USD
View
Price last confirmed 12 days ago
A
Retailer 8
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$517 USD
View
A
Retailer 9
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$521 USD
View
A
Retailer 10
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$533 USD
View
A
Retailer 11
-
$581 USD
View
A
Retailer 12
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$633 USD
View
B+
Retailer 13
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$723 USD
View
B+
Retailer 14
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$793 USD
View
B+
Retailer 15
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$962 USD
View
Retailer 16
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$972 USD
View
Price last confirmed 11 days ago
B+
Retailer 17
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$993 USD
View
B+
Retailer 18
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$994 USD
View
B
Retailer 19
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$1,044 USD
View
B
Retailer 20
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$1,216 USD
View
B
Retailer 21
-
$1,234 USD
View
Most Expensive
B
Brilliant Earth
22479873A · Nov 4
$1,270 USD
View
21 more retailers have this diamond
Prices start from $249 USDSave up to $1,021 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
$249 USD