Marquise|Lab Grown|IGI

1.51ct E VS1 Marquise Lab Grown Diamond

ID • E/VS1 • IGI LG569307184

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG569307184

Diamond specifications and retailer prices

From $309 USD
As of November 4, 2026
Save $1,129 USD (79%) vs most expensive(unlock to see where)
30 retailers carry this diamond
Most expensive: $2,030 USD at Brilliant Earth · As of October 28, 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 LG569307184 or 569307184. Listed at 30 retailers as of November 4, 2026, with a 365% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle36.5°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG569307184
Dimensions11.66 × 5.96 × 3.77 mm
L/W Ratio1.96
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
11.66 mm5.96 mm1.51 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG569307184
Side View
Table 58.0%Crown 36.5°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 63.3%

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: $2,030 USD|Low: $287 USD|High: $2,030 USD|Avg: $823 USD
Brilliant Earth
Retailer 2
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Retailer 23
November 5, 2026
Retailer 16$287 USD
Retailer 20$309 USD
Retailer 15$356 USD
Retailer 19$396 USD
Retailer 3$485 USD
Retailer 18$500 USD
Retailer 2$530 USD
Retailer 11$586 USD
Retailer 13$594 USD
Retailer 10$613 USD
Retailer 14$616 USD
Retailer 8$764 USD
Retailer 7$804 USD
Retailer 12$1,015 USD
Retailer 22$1,054 USD
Retailer 21$1,103 USD
Retailer 5$1,129 USD
Retailer 9$1,153 USD
Retailer 4$1,157 USD
Retailer 6$1,320 USD
Retailer 17$1,371 USD
Retailer 23$1,438 USD
Brilliant Earth$2,030 USD

30 data points across 23 retailers

30 retailers$309 USD to $1,438 USD

Retailer 1
-
$287 USD
Price last confirmed 28 days ago
A
Retailer 2
-
$309 USD
View
Final sale: no returns
Retailer 3
-
$341 USD
View
Price last confirmed 36 days ago
Retailer 4
-
$356 USD
View
Price last confirmed 28 days ago
Retailer 5
-
$356 USD
View
Price last confirmed 26 days ago
Retailer 6
-
$395 USD
View
Price last confirmed 37 days ago
A
Retailer 7
-
$396 USD
View
Retailer 8
-
$417 USD
View
Price last confirmed 37 days ago
A
Retailer 9
-
$485 USD
View
A
Retailer 10
-
$500 USD
View
A
Retailer 11
-
$530 USD
View
Retailer 12
-
$586 USD
View
Price last confirmed 7 days ago
A
Retailer 13
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$594 USD
View
A
Retailer 14
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$613 USD
View
A
Retailer 15
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$616 USD
View
B+
Retailer 16
-
$764 USD
View
B+
Retailer 17
-
$804 USD
View
Retailer 18
-
$1,015 USD
View
Price last confirmed 11 days ago
B
Retailer 19
-
$1,054 USD
View
B
Retailer 20
-
$1,103 USD
View
B
Retailer 21
-
$1,129 USD
View
Retailer 22
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$1,143 USD
View
Price last confirmed 26 days ago
B
Retailer 23
-
$1,153 USD
View
B
Retailer 24
-
$1,157 USD
View
B
Retailer 25
-
$1,320 USD
View
Retailer 26
-
$1,358 USD
View
Price last confirmed 36 days ago
B
Retailer 27
-
$1,371 USD
View
B
Retailer 28
-
$1,438 USD
View
Most Expensive
Brilliant Earth
6979231A · Oct 28
$2,030 USD
View
Price last confirmed 7 days ago
28 more retailers have this diamond
Prices start from $309 USDSave up to $1,129 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
$309 USD