Marquise|Lab Grown|IGI

1.51ct E VS2 Marquise Lab Grown Diamond

ID • E/VS2 • IGI LG837653378

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG837653378

Diamond specifications and retailer prices

From $238 USD
As of October 27, 2026
Save $1,592 USD (87%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,830 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 VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG837653378 or 837653378. Listed at 17 retailers as of October 27, 2026, with prices from $238 to $1,830, a $1,592 spread on the same certified stone. Brilliant Earth lists it at $1,830. 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
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.5°
Pavilion angle37.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837653378
Dimensions12.32 × 6.11 × 3.48 mm
L/W Ratio2.02
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.32 mm6.11 mm1.51 ctE / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837653378
Side View
Table 65.0%Crown 31.5°Girdle: STK-THKPavilion 37.7°Culet: NoneDepth 57.0%

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: Oct 27
Current: $1,830 USD|Low: $228 USD|High: $1,830 USD|Avg: $748 USD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
October 29, 2026
Retailer 16$238 USD
Retailer 6$266 USD
Retailer 4$295 USD
Retailer 17$295 USD
Retailer 10$347 USD
Retailer 15$398 USD
Retailer 8$500 USD
Retailer 12$531 USD
Retailer 2$556 USD
Retailer 11$930 USD
Retailer 7$948 USD
Retailer 14$951 USD
Retailer 9$1,000 USD
Retailer 13$1,182 USD
Retailer 5$1,199 USD
Retailer 3$1,314 USD
Brilliant Earth$1,830 USD

35 data points across 17 retailers

17 retailers$238 USD to $1,830 USD

A
Cheapest Retailer
-
$238 USD
A
Retailer 2
-
$266 USD
View
Final sale: no returns
A
Retailer 3
-
$295 USD
View
A
Retailer 4
-
$295 USD
View
A
Retailer 5
-
$347 USD
£273 GBP
View
B+
Retailer 6
-
$398 USD
View
A
Retailer 7
-
$500 USD
View
A
Retailer 8
-
$531 USD
€506 EUR
View
A
Retailer 9
-
$556 USD
£438 GBP
View
B+
Retailer 10
-
$930 USD
A$1,430 AUD
View
B+
Retailer 11
-
$948 USD
View
B+
Retailer 12
-
$951 USD
View
B+
Retailer 13
-
$1,000 USD
View
B
Retailer 14
-
$1,182 USD
£931 GBP
View
B
Retailer 15
-
$1,199 USD
View
B
Retailer 16
-
$1,314 USD
View
Most Expensive
B
Brilliant Earth
21659077A · Oct 28
$1,830 USD
View
16 more retailers have this diamond
Prices start from $238 USDSave up to $1,592 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
$238 USD