Marquise|Lab Grown|IGI

1.50ct D VS2 Marquise Lab Grown Diamond

ID • D/VS2 • IGI LG811670320

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG811670320

Diamond specifications and retailer prices

From $253 USD
As of November 1, 2026
Save $1,087 USD (81%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,340 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.5ct lab-grown marquise diamond

This 1.5ct lab-grown marquise sits in the one-and-a-half to two carat band, graded D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG811670320 or 811670320. Listed at 15 retailers as of October 31, 2026, with prices from $253 to $1,340, a $1,087 spread on the same certified stone. Brilliant Earth lists it at $1,340. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
D
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811670320
Dimensions11.12 × 5.84 × 3.76 mm
L/W Ratio1.90
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.12 mm5.84 mm1.50 ctD / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811670320
Side View
Table 61.0%Crown 34.4°Girdle: STK-THKPavilion 40.6°Culet: NoneDepth 64.4%

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 1
Current: $1,340 USD|Low: $164 USD|High: $1,410 USD|Avg: $766 USD|-5.0%
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
November 1, 2026
Retailer 7$164 USD
Retailer 14$253 USD
Retailer 15$388 USD
Retailer 12$407 USD
Retailer 5$486 USD
Retailer 9$526 USD
Retailer 6$698 USD
Retailer 10$758 USD
Retailer 4$959 USD
Retailer 2$1,110 USD
Retailer 8$1,129 USD
Retailer 13$1,148 USD
Retailer 11$1,170 USD
Retailer 3$1,281 USD
Brilliant Earth$1,340 USD

21 data points across 15 retailers

15 retailers$253 USD to $1,340 USD

A
Cheapest Retailer
-
$253 USD
Final sale: no returns
B+
Retailer 2
-
$388 USD
View
A
Retailer 3
-
$407 USD
View
A
Retailer 4
-
$486 USD
€463 EUR
View
A
Retailer 5
-
$526 USD
£414 GBP
View
Retailer 6
-
$698 USD
A$1,074 AUD
View
Price last confirmed 74 days ago
B+
Retailer 7
-
$758 USD
View
B+
Retailer 8
-
$959 USD
View
B+
Retailer 9
-
$1,036 USD
View
B
Retailer 10
-
$1,110 USD
View
B
Retailer 11
-
$1,129 USD
£889 GBP
View
B
Retailer 12
-
$1,148 USD
View
B
Retailer 13
-
$1,170 USD
View
B
Retailer 14
-
$1,281 USD
View
Most Expensive
B
Brilliant Earth
20658608A · Oct 31
$1,340 USD
View
14 more retailers have this diamond
Prices start from $253 USDSave up to $1,087 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
1.50ct Marquise
$253 USD