Marquise|Lab Grown|IGI

1.51ct E VS1 Marquise Lab Grown Diamond

ID • E/VS1 • IGI LG831676204

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG831676204

Diamond specifications and retailer prices

From $247 USD
As of November 4, 2026
Save $1,102 USD (82%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,349 USD at With Clarity · As of November 5, 2026
View at With Clarity

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 LG831676204 or 831676204. Listed at 14 retailers as of November 4, 2026, with prices from $247 to $1,349, a $1,102 spread on the same certified stone. With Clarity lists it at $1,349. 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 angle34.8°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831676204
Dimensions12.18 × 5.91 × 3.70 mm
L/W Ratio2.06
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.18 mm5.91 mm1.51 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831676204
Side View
Table 58.0%Crown 34.8°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 62.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $1,112 USD|Low: $247 USD|High: $1,416 USD|Avg: $828 USD|-14.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
With Clarity
November 5, 2026
Retailer 8$247 USD
Retailer 11$287 USD
Retailer 7$357 USD
Retailer 2$475 USD
Retailer 3$519 USD
Retailer 13$645 USD
Retailer 4$654 USD
Retailer 12$739 USD
Retailer 9$985 USD
Retailer 10$989 USD
Retailer 1$1,112 USD
Retailer 6$1,224 USD
Retailer 5$1,320 USD
With Clarity$1,349 USD

37 data points across 14 retailers

14 retailers$247 USD to $1,349 USD

A
Cheapest Retailer
-
$247 USD
A
Retailer 2
-
$287 USD
View
A
Retailer 3
-
$357 USD
View
A
Retailer 4
-
$475 USD
View
Retailer 5
-
$519 USD
View
Price last confirmed 11 days ago
B+
Retailer 6
-
$645 USD
View
B+
Retailer 7
-
$654 USD
View
B+
Retailer 8
-
$739 USD
View
B+
Retailer 9
-
$985 USD
View
B+
Retailer 10
-
$989 USD
View
B
Retailer 11
-
$1,112 USD
View
B
Retailer 12
-
$1,224 USD
View
Retailer 13
-
$1,320 USD
View
Price last confirmed 24 days ago
Most Expensive
B
With Clarity
831676204 · Nov 5
$1,349 USD
View
13 more retailers have this diamond
Prices start from $247 USDSave up to $1,102 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
$247 USD