Marquise|Lab Grown|IGI

0.51ct D VS2 Marquise Lab Grown Diamond

VG • D/VS2 • IGI LG846652854

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG846652854

Diamond specifications and retailer prices

From $103 USD
As of October 30, 2026
Save $838 USD (89%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $941 USD at MOH London · As of October 29, 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 VS2 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG846652854 or 846652854. Listed at 9 retailers as of October 29, 2026, with prices from $103 to $941, a $838 spread on the same certified stone. MOH London lists it at $941. 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
VS2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle29.1°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846652854
Dimensions10.08 × 3.82 × 2.32 mm
L/W Ratio2.64
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.08 mm3.82 mm0.51 ctD / VS2
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG846652854
Side View
Table 60.0%Crown 29.1°Girdle: MED-STKPavilion 39.9°Culet: NoneDepth 60.7%

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: Oct 30
Current: $941 USD|Low: $115 USD|High: $941 USD|Avg: $410 USD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 2$115 USD
Retailer 8$172 USD
Retailer 6$246 USD
Retailer 4$249 USD
Retailer 5$308 USD
Retailer 7$468 USD
Retailer 3$883 USD
MOH London$941 USD

13 data points across 8 retailers

9 retailers$103 USD to $941 USD

A
Cheapest Retailer
-
$103 USD
A
Retailer 2
-
$115 USD
View
Final sale: no returns
A
Retailer 3
-
$172 USD
View
B+
Retailer 4
-
$246 USD
€234 EUR
View
B+
Retailer 5
-
$249 USD
£196 GBP
View
B+
Retailer 6
-
$308 USD
£242 GBP
View
B
Retailer 7
-
$468 USD
View
B
Retailer 8
-
$883 USD
View
Most Expensive
B
MOH London
LG846652854 · Oct 29
$941 USD
£741 GBP
View
8 more retailers have this diamond
Prices start from $103 USDSave up to $838 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
$103 USD