Marquise|Lab Grown|IGI

0.51ct D VS1 Marquise Lab Grown Diamond

VG • D/VS1 • IGI LG848697371

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG848697371

Diamond specifications and retailer prices

From $235 USD
As of November 1, 2026
Save $566 USD (71%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $801 USD at MOH London · As of November 1, 2026
View at MOH London

About this 0.51ct lab-grown marquise diamond

This 0.51ct lab-grown marquise sits in the half to three-quarter carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG848697371 or 848697371. Listed at 6 retailers as of November 1, 2026, with prices from $235 to $801, a $566 spread on the same certified stone. MOH London lists it at $801. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.51
Carat
D
Color
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG848697371
Dimensions8.13 × 4.16 × 2.63 mm
L/W Ratio1.95
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
8.13 mm4.16 mm0.51 ctD / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG848697371
Side View
Table 61.0%Crown 36.3°Girdle: STK-THKPavilion 39.8°CuletDepth 63.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $801 USD|Low: $235 USD|High: $805 USD|Avg: $488 USD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 3$235 USD
Retailer 2$292 USD
Retailer 6$322 USD
Retailer 4$538 USD
Retailer 5$606 USD
MOH London$801 USD

9 data points across 6 retailers

6 retailers$235 USD to $801 USD

A
Cheapest Retailer
-
$235 USD
B+
Retailer 2
-
$292 USD
£230 GBP
View
B+
Retailer 3
-
$322 USD
View
B
Retailer 4
-
$538 USD
View
B
Retailer 5
-
$606 USD
View
Most Expensive
B
MOH London
LG848697371 · Nov 1
$801 USD
£631 GBP
View
5 more retailers have this diamond
Prices start from $235 USDSave up to $566 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
0.51ct Marquise
$235 USD