Marquise|Lab Grown|IGI

0.50ct D VS1 Marquise Lab Grown Diamond

ID • D/VS1 • IGI LG844673324

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG844673324

Diamond specifications and retailer prices

From $279 USD
As of October 25, 2026
Save $236 USD (46%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $515 USD at Taylor and Hart · As of October 27, 2026
View at Taylor and Hart

About this 0.5ct lab-grown marquise diamond

This 0.5ct lab-grown marquise sits in the half to three-quarter carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG844673324 or 844673324. Listed at 5 retailers as of October 25, 2026, with prices from $279 to $515, a $236 spread on the same certified stone. Taylor and Hart lists it at $515. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.50
Carat
D
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844673324
Dimensions7.99 × 4.03 × 2.59 mm
L/W Ratio1.98
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.99 mm4.03 mm0.50 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG844673324
Side View
Table 60.0%Crown 33°Girdle: STK-THKPavilion 39.3°CuletDepth 64.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 25
Current: $295 USD|Low: $273 USD|High: $515 USD|Avg: $366 USD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Taylor and Hart
October 28, 2026
Retailer 4$279 USD
Retailer 2$288 USD
Retailer 1$295 USD
Retailer 3$389 USD
Taylor and Hart$515 USD

4 data points across 5 retailers

5 retailers$279 USD to $515 USD

B+
Cheapest Retailer
-
$279 USD
B+
Retailer 2
-
$288 USD
£226 GBP
View
B+
Retailer 3
-
$295 USD
View
B
Retailer 4
-
$389 USD
£306 GBP
View
Most Expensive
B
Taylor and Hart
31Z6KAU · Oct 27
$515 USD
View
4 more retailers have this diamond
Prices start from $279 USDSave up to $236 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.

B+
0.50ct Marquise
$279 USD