Marquise|Lab Grown|IGI

1.51ct E VS2 Marquise Lab Grown Diamond

ID • E/VS2 • IGI LG843672520

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG843672520

Diamond specifications and retailer prices

From $266 USD
As of October 30, 2026
Save $1,564 USD (85%) vs most expensive(unlock to see where)
13 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 LG843672520 or 843672520. Listed at 13 retailers as of October 28, 2026, with prices from $266 to $1,830, a $1,564 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 angle32.5°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843672520
Dimensions12.09 × 5.99 × 3.63 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
12.09 mm5.99 mm1.51 ctE / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843672520
Side View
Table 60.0%Crown 32.5°Girdle: STK-THKPavilion 39.2°Culet: NoneDepth 60.6%

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: Oct 30
Current: $1,830 USD|Low: $266 USD|High: $1,830 USD|Avg: $833 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
October 30, 2026
Retailer 12$266 USD
Retailer 11$346 USD
Retailer 5$398 USD
Retailer 10$500 USD
Retailer 7$531 USD
Retailer 2$558 USD
Retailer 8$937 USD
Retailer 9$951 USD
Retailer 4$1,000 USD
Retailer 6$1,187 USD
Retailer 3$1,199 USD
Retailer 13$1,314 USD
Brilliant Earth$1,830 USD

18 data points across 13 retailers

13 retailers$266 USD to $1,830 USD

A
Cheapest Retailer
-
$266 USD
Final sale: no returns
Retailer 2
-
$346 USD
£273 GBP
View
Price last confirmed 13 days ago
B+
Retailer 3
-
$398 USD
View
A
Retailer 4
-
$500 USD
View
A
Retailer 5
-
$531 USD
€506 EUR
View
A
Retailer 6
-
$558 USD
£439 GBP
View
B+
Retailer 7
-
$937 USD
A$1,441 AUD
View
B+
Retailer 8
-
$951 USD
View
B+
Retailer 9
-
$1,000 USD
View
B
Retailer 10
-
$1,187 USD
£935 GBP
View
B
Retailer 11
-
$1,199 USD
View
B
Retailer 12
-
$1,314 USD
View
Most Expensive
B
Brilliant Earth
21792271A · Oct 28
$1,830 USD
View
12 more retailers have this diamond
Prices start from $266 USDSave up to $1,564 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
$266 USD