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Marquise|Lab Grown|IGI

1.51ct E VS1 Marquise Lab Grown Diamond

ID • E/VS1 • IGI LG788629522

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG788629522

Diamond specifications and retailer prices

From $270 USD
As of November 4, 2026
Save $1,760 USD (87%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $2,030 USD at Brilliant Earth · As of October 31, 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 LG788629522 or 788629522. Listed at 21 retailers as of October 31, 2026, with prices from $270 to $2,030, a $1,760 spread on the same certified stone. Brilliant Earth lists it at $2,030. 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°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788629522
Dimensions11.88 × 5.88 × 3.74 mm
L/W Ratio2.02
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type II
Top View
11.88 mm5.88 mm1.51 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788629522
Side View
Table 60.0%Crown 36°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 63.6%

Caratlytics Score

How it works →
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: $263 USD|High: $2,030 USD|Avg: $764 USD
Brilliant Earth
Retailer 2
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Retailer 22
November 5, 2026
Retailer 17$270 USD
Retailer 9$301 USD
Retailer 19$313 USD
Retailer 14$326 USD
Retailer 3$334 USD
Retailer 20$450 USD
Retailer 22$495 USD
Retailer 6$527 USD
Retailer 18$576 USD
Retailer 15$579 USD
Retailer 2$581 USD
Retailer 4$596 USD
Retailer 13$783 USD
Retailer 12$979 USD
Retailer 16$1,027 USD
Retailer 5$1,075 USD
Retailer 8$1,125 USD
Retailer 7$1,286 USD
Retailer 10$1,295 USD
Retailer 11$1,313 USD
Retailer 21$1,415 USD
Brilliant Earth$2,030 USD

36 data points across 22 retailers

21 retailers$270 USD to $2,030 USD

A
Cheapest Retailer
-
$270 USD
A
Retailer 2
-
$301 USD
View
Final sale: no returns
A
Retailer 3
-
$313 USD
View
Retailer 4
-
$326 USD
View
Price last confirmed 11 days ago
A
Retailer 5
-
$334 USD
View
B+
Retailer 6
-
$450 USD
View
A
Retailer 7
-
$495 USD
View
A
Retailer 8
-
$527 USD
View
A
Retailer 9
-
$576 USD
View
A
Retailer 10
-
$581 USD
View
A
Retailer 11
-
$596 USD
View
B+
Retailer 12
-
$783 USD
View
Retailer 13
-
$979 USD
View
Price last confirmed 7 days ago
B+
Retailer 14
-
$1,027 USD
View
B
Retailer 15
-
$1,075 USD
View
B
Retailer 16
-
$1,125 USD
View
B
Retailer 17
-
$1,286 USD
View
B
Retailer 18
-
$1,295 USD
View
Retailer 19
-
$1,313 USD
View
Price last confirmed 7 days ago
B
Retailer 20
-
$1,415 USD
View
Most Expensive
B
Brilliant Earth
19980580A · Oct 31
$2,030 USD
View
20 more retailers have this diamond
Prices start from $270 USDSave up to $1,760 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
$270 USD